MALICIOUS
212
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a QR-code lure. The file embeds a large number of external links characteristic of an SEO link farm, routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9864
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://yafferge.ru/strik?utm_term=smart+bracelet+m4+doesn%2527t+turn+on In PDF document text
- https://cdn.sqhk.co/wakewafo/joFchfM/86324115418.pdfIn PDF document text
- https://cdn.sqhk.co/bubiwalifeda/1gjJici/saminudujevafuxexaj.pdfIn PDF document text
- http://jorodija.iblogger.org/vobazutapidir.pdfIn PDF document text
- https://mipikarekegimo.weebly.com/uploads/1/3/1/6/131606279/fezopamod.pdfIn PDF document text
- https://vuxosulaleko.weebly.com/uploads/1/3/2/6/132695375/faeaa3e8f85ba6e.pdfIn PDF document text
- https://cdn.sqhk.co/sekijebasazi/gIhBEjg/46014520768.pdfIn PDF document text
- http://nireviwolaz.22web.org/a_political_economy_of_american_hegemony.pdfIn PDF document text
- https://gejomomik.weebly.com/uploads/1/3/4/7/134719116/pubajenegodakebi.pdfIn PDF document text
- http://nudazemuxebabu.22web.org/88858266496.pdfIn PDF document text
- https://zebilukirun.weebly.com/uploads/1/3/5/3/135306511/bedabidatik-xebemepemaso-niluza-nafawubugo.pdfIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/d05284c7-47d7-45d2-921f-95a4defce388/noduzexa.pdfIn PDF document text
- https://65d0a56f-4074-4e8f-9acc-29e6f8e8f663.filesusr.com/ugd/37655d_ac1577e937e34dd79660230927a0b52d.pdf?index=trueIn PDF document text
- https://5d3a3edc-1384-4eb0-a354-174dd54c13aa.filesusr.com/ugd/7f5dc5_b8707cf3863e4fc0ab32162a2729773b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2fce8313-6fd7-4387-9ee1-9171923280cc/borixinokojomopari.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85c22b59-a197-436d-befb-3e305b60375c/no_fear_shakespeare_romeo_and_juliet_act_1_scene_2.pdfIn PDF document text
- https://69df74eb-9f83-488d-97bb-abb55063df61.filesusr.com/ugd/f34323_0e42c4ddf9f74f4a847993513ce0e38e.pdf?index=trueIn PDF document text
- https://f3dcd8e3-6656-4b47-a81e-a993d3c4f2a1.filesusr.com/ugd/aa9ef2_79cf5a4724814033bf5c06c99b439325.pdf?index=trueIn PDF document text
- https://ed59cdd8-0d75-4634-8bb2-7afdb9da103e.filesusr.com/ugd/9cb112_b9a1cb9f28404edc90643502d000a3bd.pdf?index=trueIn PDF document text
- https://7b9449e5-51e9-4a7e-81f5-8587c42320f9.filesusr.com/ugd/571bad_5fe5b87a5b3546aaa22b13f64f01dadb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/73af8b4e-060b-4e11-a4ae-a17c3e678d59/laws_of_the_game_booklet.pdfIn PDF document text
- https://73e8eba8-f08a-4c12-987a-519a82e171c2.filesusr.com/ugd/19159f_10832916e89f4a10a0eccef42aba2290.pdf?index=trueIn PDF document text
- http://lovikusikew.epizy.com/word_cookies_2_answers_maple_syrup.pdfIn PDF document text
- https://6afed14e-2b01-442b-8c2e-11a8a6f39965.filesusr.com/ugd/46a5ae_9f099b08fff4469b8f5803a9e36e8653.pdf?index=trueIn PDF document text
- https://2e96d104-cacc-4af9-914c-411927af6089.filesusr.com/ugd/0f866b_cdb42ae045bf4305a3f65c768e2b49aa.pdf?index=trueIn PDF document text
- http://pavebutom.epizy.com/catch_me_if_you_can_cast_list.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 7
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0001e1d1.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1E1D1 | 11248 bytes |
SHA-256: a79060c85e78185bd9323506ec55fb11826edc77259b08087f62e4b217fb3c64 |
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stream_008_off00023dfc.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x23DFC | 23876 bytes |
SHA-256: 14b53b0f07e1d1729b6372858944d6aab3c530ac04ee72e509cbb448cd9ce0d5 |
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font_00_sfnt_off00019257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19257 | 6548 bytes |
SHA-256: 0b1dc5b4f573a69b9afaf6921dac0d317c9c89d55a369f9988057ef6dc1e612c |
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font_01_sfnt_off0001a27c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A27C | 13864 bytes |
SHA-256: 17bb5410a2bc2c9e7231a967d6ef75db158f528fb391fb47d4869319042b3628 |
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font_02_sfnt_off0001cf66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CF66 | 5452 bytes |
SHA-256: 390c4c40281ec6072187ebe971066dd7279f2bed7b97a30d744e6c51390f4cf0 |
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font_04_sfnt_off000201c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x201C9 | 2488 bytes |
SHA-256: bbe21130fd876245afa1214d2ea43bd3f23785ec6c32194100f707ab614d56a9 |
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font_05_sfnt_off00020cd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20CD4 | 16252 bytes |
SHA-256: debd6e21221d59caeb419eb9fa2a5466352348550dbda45fb71ff7fc726dd4c5 |
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