MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, and is detected by ClamAV as a phishing trojan. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary malicious URL identified is vilenefex.ru, which is likely used to host phishing content or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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://vilenefex.ru/strik?utm_term=what+size+tires+are+on+a+2006+hyundai+sonata PDF link annotation
- https://cdn.sqhk.co/bosamame/kljb4sX/bupujopumupobofojux.pdfIn PDF document text
- https://retevewaluwur.weebly.com/uploads/1/3/4/6/134600892/4913764.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384469/normal_602177f5e8c27.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378152/normal_60536be1f3df5.pdfIn PDF document text
- https://cdn.sqhk.co/zatufora/emgghim/co_teaching_lesson_plan_template.pdfIn PDF document text
- https://gogovujogizog.weebly.com/uploads/1/3/1/6/131607278/lasarisu-zamixipep-jolavum.pdfIn PDF document text
- https://regifedemez.weebly.com/uploads/1/3/1/4/131406591/13314.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425506/normal_5ffcd54c00d2a.pdfIn PDF document text
- https://wuwebiwurumebil.weebly.com/uploads/1/3/1/1/131164488/motiretusupisab_pagujoxifojiwaf.pdfIn PDF document text
- https://lokabema.weebly.com/uploads/1/3/4/1/134109183/zijizasiwiwomanatas.pdfIn PDF document text
- https://cdn.sqhk.co/dedejosewor/jhcD5W4/find_words_with_real.pdfIn PDF document text
- https://jufukakoxojopop.weebly.com/uploads/1/3/4/3/134317893/lumomavokezazut.pdfIn PDF document text
- https://cdn.sqhk.co/fikalibumi/i6ajhij/69283925995.pdfIn PDF document text
- https://gabejopow.weebly.com/uploads/1/3/4/5/134597712/befitupefojaribojore.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://45ae50e1-98a8-4501-9ad6-fc0df438eb43.filesusr.com/ugd/b16523_6bd00290b722465d8bf5c710cd26aa19.pdf?index=trueIn PDF document text
- https://a1f0096d-76f5-425c-b826-5ccbd312c1bc.filesusr.com/ugd/8f8c07_9b3cc337dfca42ac87d0a8ef66cc00a6.pdf?index=trueIn PDF document text
- https://7afcd0b8-98df-42a4-afe0-9544d44c9539.filesusr.com/ugd/74e9cf_8d4f7d54a2ac4e3e939fcffa02134915.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2e3e6c85-0546-4a7a-9dbe-d021359af478/zojije.pdfIn PDF document text
- https://b9ecad59-ee1c-469f-8402-ddbad3bf215f.filesusr.com/ugd/84dab8_1f57bdbb4e3f40abbf06638a3ff75e6c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f9a6b21e-ebae-45cb-9997-990d72bdec54/beautiful_creatures_series_books.pdfIn PDF document text
- https://46d16763-6c5f-4e19-aa2c-3f4071fcbec2.filesusr.com/ugd/26f730_97b368946ed24163a85fa186f7fb079c.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_off0000eed5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED5 | 5476 bytes |
SHA-256: bacdb8cc6c1925f0d1d2c22565f5f3252d840e3a5dbd1cea8b5e25a5989a22ca |
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font_01_sfnt_off00010186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10186 | 10788 bytes |
SHA-256: eb218f6b7f26083e9663360b8f9cafd068274b2a25de7818b055dd7b06905b1c |
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