MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many pointing to disposable domains, indicating a link farm or SEO manipulation tactic. ClamAV and ML heuristics identify this PDF as malicious, specifically a phishing or trojan variant. The presence of numerous external links suggests it is designed to redirect users to potentially harmful content or facilitate further exploitation.
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://vilenefex.ru/strik?utm_term=singer+sewing+machine+repair+near+me PDF link annotation
- https://leludexubivavij.weebly.com/uploads/1/3/1/8/131860378/8610848.pdfIn PDF document text
- https://nefotinabe.weebly.com/uploads/1/3/5/3/135314884/lubujeg_sosizatob_vonabe_lesokolobonek.pdfIn PDF document text
- https://bopizuvobaz.weebly.com/uploads/1/3/4/6/134668398/taladeb-bizojod-voxus.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446030/normal_5fcd3404bc97b.pdfIn PDF document text
- https://roturusuwanowus.weebly.com/uploads/1/3/4/3/134363773/6978000.pdfIn PDF document text
- https://lonupuvajofova.weebly.com/uploads/1/3/4/3/134341927/rakedamirojuru-tanetuwigo-woguvonisag-sitarovixut.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374984/normal_6026cf5dee275.pdfIn PDF document text
- https://vizokajobekaxa.weebly.com/uploads/1/3/0/9/130969885/lesebed.pdfIn PDF document text
- https://lotojenamiz.weebly.com/uploads/1/3/1/3/131381761/e6bf79.pdfIn PDF document text
- https://pedexanagokol.weebly.com/uploads/1/3/4/6/134635549/78f792e.pdfIn PDF document text
- https://waragiteket.weebly.com/uploads/1/3/4/0/134016771/fbaec65b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426085/normal_5ffb7fe8d5e8a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469349/normal_606a125852a82.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427514/normal_603b9e43a0dfe.pdfIn PDF document text
- https://mexobuvuxe.weebly.com/uploads/1/3/4/3/134369937/batuxo-kaxep.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446162/normal_5fd161bc9c0d0.pdfIn PDF document text
- https://meputaxuxiku.weebly.com/uploads/1/3/5/3/135304120/3140585.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403271/normal_6008801e86ce3.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/899f1f45-6227-42ad-af40-48961ea00ca1/15784881993.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3198e39f-50c3-4ffe-9de6-7e0f3a67434d/compare_the_top-down_vs_bottom-up_network_design_approach.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1d8cad6-cc6e-4aef-b330-ebe0b2efed27/how_do_i_use_my_bissell_proheat_2x.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c089351f-b681-43ce-b661-fe0f94308327/why_is_my_xbox_controller_charger_blinking.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_off00010758.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10758 | 5508 bytes |
SHA-256: 76feefc0f6051e2f40802efe2d2e5c59978e77871564e55994181073534e58dd |
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font_01_sfnt_off000119fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FD | 10772 bytes |
SHA-256: 1cf44181341c4e845c0420d7ebd1ad17b83534040f530f7c5218aff0dd9370e5 |
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