MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs, with one specifically pointing to a suspicious domain ('vilenefex.ru') that is likely part of a phishing or malware distribution scheme. The PDF's structure and embedded links suggest it's designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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 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://vilenefex.ru/123?utm_term=catabolism+of+protein+pdf PDF link annotation
- http://idealsit.space/why_did_brazil_abolish_slavery3vc8b.pdfIn PDF document text
- http://zikewexer.scienceontheweb.net/elite_platinum_maxi_matic_pressure_cooker_instructions.pdfIn PDF document text
- http://airned.ru/titan_quest_atlantis_nintendo_switcho0yvx.pdfIn PDF document text
- http://jaxifas.getenjoyment.net/zumekixu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500453/normal_603e9714d100c.pdfIn PDF document text
- http://tafakiduwav.scienceontheweb.net/4285973429.pdfIn PDF document text
- http://devlp.design/dyson_replacement_battery_dc44_animal_type_bys708.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4461485/normal_600b7642ef2f8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489994/normal_5fe44e83dc949.pdfIn PDF document text
- http://nicechange.space/lixapinaruzezutovuvy4uw.pdfIn PDF document text
- http://fajiriduxir.medianewsonline.com/tomokawizomowalub.pdfIn PDF document text
- http://lojasamericanasbr.com/facebook_account_recovery_email2714p.pdfIn PDF document text
- http://kigalasabipigo.medianewsonline.com/likabumudejekakurepaxopi.pdfIn PDF document text
- http://bimoriz.getenjoyment.net/niwizezaxedejolinukitabux.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://e791dc30-71fd-4519-a75e-453748eb9c32.filesusr.com/ugd/8a5fcf_70321f4fabf4494e8e549c54d4286690.pdf?index=trueIn PDF document text
- https://e8dc5420-792a-4861-90db-09cfc8d8a7d1.filesusr.com/ugd/1378f5_2c2bf97e8cc84167ad8e56319c8a2f47.pdf?index=trueIn PDF document text
- https://3f740848-0e57-4b51-8596-564812021bec.filesusr.com/ugd/cbe17c_deda67e5a31c474d8332c3d9f0104baf.pdf?index=trueIn PDF document text
- https://dedb376b-efc3-4528-ac10-fc65d12f866c.filesusr.com/ugd/5f6074_bcec245ba5a6448aa48294c50bdc0fb6.pdf?index=trueIn PDF document text
- https://a7da3e60-63c8-46c1-a846-eab7df628ed2.filesusr.com/ugd/bba345_cf5c97248f5c4c62ae4944968cb17fb3.pdf?index=trueIn PDF document text
- http://kapowuxivi.atwebpages.com/capriotti_s_catering_menu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e0ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0EA | 5136 bytes |
SHA-256: 88e4026cfaadc1f7fc59b1b2248455cb1e8379178665ab923f802aa9cbec7408 |
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font_01_sfnt_off0000f240.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF240 | 10544 bytes |
SHA-256: 421e225456443027cb8d5cac3d6704ca0be3cb8f0625d4c0c379406fd2d41ed4 |
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font_02_sfnt_off00011651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11651 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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