MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many pointing to disposable domains, indicating a link farm or phishing operation. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://seumenha.ru/strik?utm_term=how+to+determine+a+null+and+alternative+hypothesis PDF link annotation
- https://cdn-cms.f-static.net/uploads/4418970/normal_606dfb05654f2.pdfIn PDF document text
- https://rudiduwusoxu.weebly.com/uploads/1/3/4/4/134445317/d62210.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412763/normal_6069517ae5197.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366374/normal_5fc8c5bc34310.pdfIn PDF document text
- https://dotawipe.weebly.com/uploads/1/3/5/3/135323210/9313225.pdfIn PDF document text
- https://zegesunipatobas.weebly.com/uploads/1/3/1/3/131379774/pagajuvizuj_sosirip.pdfIn PDF document text
- https://jixusalozexifan.weebly.com/uploads/1/3/1/4/131407855/kesemake.pdfIn PDF document text
- https://vururera.weebly.com/uploads/1/3/4/4/134493513/6735994.pdfIn PDF document text
- https://xosebabonewita.weebly.com/uploads/1/3/4/6/134613761/4b8835e.pdfIn PDF document text
- https://sujarazigis.weebly.com/uploads/1/3/0/8/130813042/1571377.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488102/normal_5fc576e28bbbf.pdfIn PDF document text
- https://nanarimedut.weebly.com/uploads/1/3/2/6/132695535/c02ae958c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366321/normal_603e82813fd29.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414868/normal_603a5018042da.pdfIn PDF document text
- https://guxesawaxogego.weebly.com/uploads/1/3/4/3/134314991/gejubesige_fekunol_jesudisuteg.pdfIn PDF document text
- https://nowigusoludi.weebly.com/uploads/1/3/4/2/134266380/4309650.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404105/normal_60446ca5c8fd7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454184/normal_6011480f4fe35.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dofufiri/grid_based_website_templates_free.pdfIn PDF document text
- https://s3.amazonaws.com/sazariwapa/the_all_american_slurp_questions_answers.pdfIn PDF document text
- https://s3.amazonaws.com/wurivuve/7_principles_of_the_happiness_advantage.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_off0000e351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE351 | 5412 bytes |
SHA-256: ecad37901b89b00012561791a8b9cc8599021c154e859aeb7fc7501d7cda54c1 |
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font_01_sfnt_off0000f5a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A4 | 11544 bytes |
SHA-256: 36da8dbd3270ef01cf7b10dc4b051cc660850c21ac7663b1a2c588a423e7179e |
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