MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to redirect users to malicious sites. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing or trojan variant. The presence of embedded URLs and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://xajibur.ru/strik?utm_term=glacier+bay+faucet+installation+video PDF link annotation
- http://leniwatojetojem.medianewsonline.com/diagnostico_psicologico_definicion.pdfIn PDF document text
- http://kobivoweder.mypressonline.com/28377373564.pdfIn PDF document text
- https://cdn.sqhk.co/towevefizub/dhgPIig/nomebizepivime.pdfIn PDF document text
- https://cdn.sqhk.co/wubunepan/0NjjE5K/vuvozuwesinow.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388413/normal_605f3ee665dc6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426270/normal_6009cf7959503.pdfIn PDF document text
- https://cdn.sqhk.co/zutigaku/CFmdgfd/52726379430.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://167c8e7b-8160-49a2-a88e-f26749d647c8.filesusr.com/ugd/1ad47d_7b7912d8b9d448709a9f4eaf2d6cf684.pdf?index=trueIn PDF document text
- https://144ece88-722e-4d59-a9d1-ae16887514c2.filesusr.com/ugd/48b17f_954ae730c8764b14a7a501553d485da1.pdf?index=trueIn PDF document text
- https://a3de454e-1598-42bb-a259-4eb69c42f179.filesusr.com/ugd/fb5067_5f5dcf10f5484a57afd6419a7efa139e.pdf?index=trueIn PDF document text
- http://nisetekotixob.myartsonline.com/avaya_2420_digital_telephone_user_manual.pdfIn PDF document text
- https://36c7e617-1221-4173-b726-d5bce2878801.filesusr.com/ugd/610d21_a51a866759554cc8b847ca5b4c2a09c2.pdf?index=trueIn PDF document text
- https://19aaccd0-9772-41b6-85c4-be118606641a.filesusr.com/ugd/a12125_6e0692dc853346cf8e256643cd75a526.pdf?index=trueIn PDF document text
- https://abf133a7-37c0-4616-b653-d99fd306bce3.filesusr.com/ugd/5c8236_6f79ecd713a64b1c92094967e2e2fb72.pdf?index=trueIn PDF document text
- https://a0d2adcf-75bd-42a9-a42a-c23e1c6e9e1a.filesusr.com/ugd/85c99c_57e0e68bf3de43bca3da4694559a5ff2.pdf?index=trueIn PDF document text
- https://ab737b70-891a-4a1f-8db9-ee548211cb31.filesusr.com/ugd/ce14f3_07a3c1c5e0c244259ead8740b9a89642.pdf?index=trueIn PDF document text
- https://32052e82-6ed6-442b-b517-916023d250c3.filesusr.com/ugd/e33828_d1858f0f9cd0473d89278c6894bf8887.pdf?index=trueIn PDF document text
- https://ec2d952e-5494-46d8-b841-fee222248b17.filesusr.com/ugd/9713d5_b3ea061a181f4ccca5e7304d22413c1e.pdf?index=trueIn 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_off0000e20b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20B | 5348 bytes |
SHA-256: 6fef998f91863a83a151af9487eb1f2e0f2d607caa99130ae8723c5507366ded |
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font_01_sfnt_off0000f45e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45E | 10676 bytes |
SHA-256: 37dc772ec3655bff8cb7427f540c83badc8b4e089c0cce02cb459dd47d4ffd80 |
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