MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing or a trojan. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing lure, likely intended to lead users to download further payloads or provide sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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=sloan+flushmate+repair+kits PDF link annotation
- https://cdn-cms.f-static.net/uploads/4416805/normal_6017bfe6a2165.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416796/normal_5fd20096eed04.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379718/normal_5fc9a1cbe9026.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384461/normal_60069c7858a73.pdfIn PDF document text
- https://juwomazitebuden.weebly.com/uploads/1/3/1/4/131414743/31f692cf75d4db.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459180/normal_605cb62790ec3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420602/normal_60472b7eb1ca2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470972/normal_5ff8de2145224.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4468843/normal_5fddd55471c0e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373004/normal_5ff0118ad2f91.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365657/normal_601e3b82419d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383449/normal_6029dd79b45ff.pdfIn PDF document text
- https://butapakenora.weebly.com/uploads/1/3/1/8/131871909/3100839.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457592/normal_5fed0c0384ea1.pdfIn PDF document text
- https://baxemajoxololur.weebly.com/uploads/1/3/1/0/131070692/kobarosexokunu.pdfIn PDF document text
- http://bujasap.iblogger.org/13642763850.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://3bdad275-8828-414d-9063-9532e035d791.filesusr.com/ugd/c67d0c_3dae4f5a1df44a4e938951614369bcd6.pdf?index=trueIn PDF document text
- https://7f58a6d3-5723-489e-a2bd-17fd91e1ddd5.filesusr.com/ugd/655495_62c3252e78ba4fa4885819985c3b8bd9.pdf?index=trueIn PDF document text
- http://sugefikinubiku.epizy.com/apple_pencil_annotation.pdfIn PDF document text
- https://711a90e7-97f2-4eab-8690-3003ec1e9b64.filesusr.com/ugd/a0905b_cc663a6f1e574e369f0bae80c626fe92.pdf?index=trueIn PDF document text
- https://6b2f37ea-3696-4b87-858b-663c379f6f6f.filesusr.com/ugd/16879a_8fd2dfb1626d40c2a7ca1b633bfc1412.pdf?index=trueIn PDF document text
- http://xivubijorudi.epizy.com/bronson_movie_dual_audio.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_off0000fcc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC4 | 5192 bytes |
SHA-256: 9c2b9954c52153a22d5bf7fe4d4f0a7da233893400895cb66ffd4fe362b49799 |
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font_01_sfnt_off00010e2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E2E | 10684 bytes |
SHA-256: e3d14741842318d3f2a5b2d4613da9d3b2a5dbcf432334250fb450f392beb9f1 |
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font_02_sfnt_off000132ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132CA | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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