MALICIOUS
206
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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External URI info PDF_URIPDF contains an external URL action
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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://jottigo.ru/wix?keyword=zapya+apk+download+latest+version+for+pc PDF link annotation
- https://cdn.sqhk.co/duditizonut/tm2jdia/35469051599.pdfIn PDF document text
- https://devigejijakefu.weebly.com/uploads/1/3/2/7/132740662/7070720.pdfIn PDF document text
- https://cdn.sqhk.co/bowewulaxam/hghxhbi/78817609819.pdfIn PDF document text
- https://cdn.sqhk.co/mogizilo/ihathwD/konedaxuzobezinigirowur.pdfIn PDF document text
- https://cdn.sqhk.co/mowanideju/pF2jajh/rimajuvaxoxujezaxobufugej.pdfIn PDF document text
- https://vimudizod.weebly.com/uploads/1/3/4/6/134632239/papugevosis-vufafo.pdfIn PDF document text
- http://veruvipavopa.getenjoyment.net/newanipexesokufuginowi.pdfIn PDF document text
- http://kudikadip.getenjoyment.net/how_much_is_a_smart_repair.pdfIn PDF document text
- https://sevebara.weebly.com/uploads/1/3/4/5/134501605/fuzosojokojo-bilude-lotawo.pdfIn PDF document text
- https://cdn.sqhk.co/sozodumupof/cbVohcr/rope_n_fly_4_apk.pdfIn PDF document text
- https://cdn.sqhk.co/nivurerazusa/81P5ic5/photo_editor_free_windows_10.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vifidumefitur.atwebpages.com/4821259862.pdfIn PDF document text
- http://vekabun.myartsonline.com/war_storm_victoria_aveyard_series.pdfIn PDF document text
- http://jitawidavez.atwebpages.com/oxford_style_shirt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5aa2317f-d6b6-41d1-a064-2aeb994fb6aa/73942965468.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/261a7248-6b50-4b52-a1bc-b92d3341bf0d/richard_foster_celebration_of_discipline.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/601eda33-2041-4c7d-87d2-e59b4cacc63f/craftsman_19.2_volt_c3_replacement_battery_pack.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87b0aae7-10d5-42cc-935c-674605d939eb/35407735923.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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC8D | 5424 bytes |
SHA-256: 11aa78493099638adfae0efd762a589d7c3c5d7bc6307cba1037943a46e725cf |
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font_01_sfnt_off0000ff3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF3B | 11256 bytes |
SHA-256: 216f4cb27ac9ea2f1970c08de2c85d00e9cca68a038aa0c287c3337b77dced78 |
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font_02_sfnt_off0001259b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1259B | 16804 bytes |
SHA-256: 70f52955a0f7e1263ef80ec571b187b56e0315d9b9d40628fc093f4ebc83629f |
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