MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a significant number of external links, with at least one pointing to a suspicious domain ('vilenefex.ru') and others forming a link farm. The presence of these links suggests the document's primary purpose is to redirect users to potentially harmful websites, possibly for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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/wix?keyword=linebacker+alley+2+unblocked+66 PDF link annotation
- http://fuwefepor.iblogger.org/vusoduwirokatagewetu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369182/normal_5fed03ca25fe7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409394/normal_5fe426dfd57da.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491169/normal_5fea20437aabc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377704/normal_60073b4342ea4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458837/normal_5ff69157371e6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/204b395b-3f52-49fb-bc7f-40f6af6ea7af/gisokobuvikivubudaxo.pdfIn PDF document text
- https://a2ae8793-a99f-480d-a3bc-849ef63d34f7.filesusr.com/ugd/cc207a_2fc6385e0f0346c48ddf5af4e1862675.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/82607d62-5094-4e95-a2e3-3f5013eb8cfb/machine_learning_with_python_book_reddit.pdfIn PDF document text
- http://remurojax.rf.gd/long_john_silvers_specials_all_you_can_eat.pdfIn PDF document text
- https://9610c43f-1b2a-4a8a-b660-75aaf3908198.filesusr.com/ugd/286fb8_01c7df825de94b649bb676ebe84a5689.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/73640d42-ef08-47ea-ab70-f2d7314cdbb9/zezetuf.pdfIn PDF document text
- https://97783159-ced7-426e-9fbd-60d2bb3342fb.filesusr.com/ugd/00058f_e63ac0ff609343f3b44f3f589b828b83.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c19be345-dfa7-4e93-9ac3-fd56cdeefb32/minecraft_guide_to_survival_ebook.pdfIn PDF document text
- https://c3a7a64c-5591-430b-94d7-c2eadfdf3523.filesusr.com/ugd/966478_b9c6eb52f8a041b9b622a274b7b1c82e.pdf?index=trueIn PDF document text
- https://5862e4ea-63a6-4c92-af93-e06d02d1a664.filesusr.com/ugd/eaa371_353befa6623e47acab71e0c936bf9f1e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/871875fb-1fe7-47a6-bc18-0fd30b82ab86/boy_best_friend_application_snapchat.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_off0000efe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE9 | 5288 bytes |
SHA-256: 50aa7327eae00a317e89c43599bebbace6bfa88e0085f1364f7757baf7c4516b |
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font_01_sfnt_off0001020a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1020A | 11152 bytes |
SHA-256: fbd5c586093a62c04d14c931ad466918c6d9a52200c7e2459d47fde68338c2f9 |
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