MALICIOUS
192
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. 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 0.9992
Heuristics 6
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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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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/123?utm_term=b+s+letter+love+wallpaper In PDF document text
- http://rivozuzeno.mywebcommunity.org/elements_of_design_color_picker.pdfIn PDF document text
- http://nefozufovi.scienceontheweb.net/83842169555.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410432/normal_601105ff7498e.pdfIn PDF document text
- https://linazoforup.weebly.com/uploads/1/3/0/8/130814758/wasobitinufifu.pdfIn PDF document text
- http://xupulakikovuxo.mypressonline.com/elective_cesarean_section.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484636/normal_5fd74321534f8.pdfIn PDF document text
- http://lifolibi.sportsontheweb.net/86689908313.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374521/normal_5fd8a193b9fb5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366668/normal_5fe2c3abdbb81.pdfIn PDF document text
- https://muwewemumefiga.weebly.com/uploads/1/3/0/8/130874681/9001953.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369660/normal_5fc97b38d34da.pdfIn PDF document text
- http://memimusisat.getenjoyment.net/96466809180.pdfIn PDF document text
- http://zibepifutidi.sportsontheweb.net/gabafifogewosuloxew.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kuxoxokazutuv.myartsonline.com/york_diamond_80_model_numbers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d17337e-221c-40cc-aae9-9ebea1774562/best_jeep_service_center_near_me.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e03fbfd-3a27-41db-bc0b-6e409e0ca70d/how_to_sync_comcast_remote_with_sharp_tv.pdfIn PDF document text
- http://pizenusogusu.atwebpages.com/absceso_periamigdalino_pediatria.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5cc024b5-f560-4d31-82db-058d4ce1c5b7/80244688887.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a11e78d-34fa-4607-9a59-187d0cd7bf8f/80071765259.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/36fb4ea1-33ff-49a5-b6db-94d2944a3436/mares_puck_pro_manual_download.pdfIn PDF document text
- http://gonegexunu.myartsonline.com/75762199.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d753e71-d974-4dd5-bc48-ec6270a5e463/how_do_you_know_if_your_ac_expansion_valve_is_bad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8bf14957-eecd-4554-ac09-1c4e66e6403c/utorrent_pro_download_for_windows_10_64_bit_free_full_version.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e470.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE470 | 5012 bytes |
SHA-256: a22a196e39338ba1ac5faf7381dc4b3d56bb869286b3e60392ad5465de34570d |
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font_01_sfnt_off0000f59e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59E | 10812 bytes |
SHA-256: f13e3f69549cdb69fe3acd92f758346aef868c8aafdb8317fb21d5663724ec60 |
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