MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning model as malicious, specifically as a phishing trojan. It contains a large number of embedded links, many pointing to disposable hosting, suggesting a link farm or phishing campaign. The primary malicious URL identified is https://xajibur.ru/strik?utm_term=largest+british+military+base+in+germany, which is likely used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://xajibur.ru/strik?utm_term=largest+british+military+base+in+germany PDF link annotation
- https://cdn-cms.f-static.net/uploads/4449392/normal_60547339a9f4a.pdfIn PDF document text
- https://movadopudi.weebly.com/uploads/1/3/0/9/130969115/lufotagawuxedodijod.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501993/normal_602af85aac27a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475397/normal_6024ad7517e5d.pdfIn PDF document text
- https://vilaferadir.weebly.com/uploads/1/3/4/7/134771168/8dfaa090a193.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408588/normal_606c0723d8f1b.pdfIn PDF document text
- https://xesukalo.weebly.com/uploads/1/3/5/3/135311970/fusajoputiwagag.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491671/normal_600ca61ca989b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427079/normal_5ff24a3cd9c7e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453734/normal_600badab0f7e8.pdfIn PDF document text
- https://karuxuli.weebly.com/uploads/1/3/4/3/134377251/pilajolatuzip.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ef4b221f-cfb4-47e8-bf1d-3b5092770df7.filesusr.com/ugd/4948da_59f9a8de2f5d43248352b24ace221941.pdf?index=trueIn PDF document text
- https://b595a6f9-6bcb-48d8-acfc-7cb8c696cf55.filesusr.com/ugd/21f311_477ad5ecfb0643ba9ce10de301dc1449.pdf?index=trueIn PDF document text
- https://d064ede3-316f-4d13-8ec5-014b2136b3bd.filesusr.com/ugd/154db6_2512bde54f9b4b6daab6e5e11fe8f00f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/55698dc5-7576-41e4-bfb4-018d15fbe159/ganisewejirusewigil.pdfIn PDF document text
- https://36fc1fe3-b646-4cc1-b6e9-de51469aea27.filesusr.com/ugd/3eb4bd_646637f8ed9c4fd38650c2ed5a75d2f1.pdf?index=trueIn PDF document text
- https://0f939073-77d1-4307-aaa8-42539c8515e3.filesusr.com/ugd/85c9df_9d604a13ecff469ca6a3ac7816c257a6.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cb4a14ec-25a1-406e-9055-f58346234042/difference_of_apple_juice_and_orange_juice.pdfIn PDF document text
- https://5e6d3f51-9b35-4a29-baf4-1f036254a461.filesusr.com/ugd/99a8f2_5ab4d64b0dd34dcba2062ecca367f1ba.pdf?index=trueIn PDF document text
- https://3c3713de-992c-4571-92b4-00afcb8cb2c1.filesusr.com/ugd/9dbdb2_2e0351918c1d4ec59609eb67800463c7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d685aad8-1b33-4fed-9695-dd931f7a3e30/94142476745.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/521caa9c-1da2-4220-a24d-eea6076bd35c/ps_vita_2000_new.pdfIn PDF document text
- https://ddb281da-11d2-423e-b83a-408ecf1f607f.filesusr.com/ugd/9db61c_32577aa2840249e5abc7a46767eed310.pdf?index=trueIn PDF document text
- https://e44de090-c64a-4a0f-b555-2784aa0ac37b.filesusr.com/ugd/41d583_93d7d14b35234b13820f8ad6d72349c6.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_off00010085.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10085 | 5280 bytes |
SHA-256: 76c7dafddfd87b25d6e8d3fbf1e7a38b60b7d57ab297186736f005a205459032 |
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font_01_sfnt_off00011259.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11259 | 10812 bytes |
SHA-256: 1d952594187703c83cc7b2891a3aded7a3efcd4cdabcd3605df7c2da07c54863 |
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