MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, indicative of a link farm designed to redirect users to potentially malicious sites. Heuristics like PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM, along with ClamAV detection as Pdf.Phishing.Trojan, strongly suggest a phishing or malware distribution intent. The presence of embedded URLs further supports this, likely serving as the initial lure or part of a multi-stage attack.
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=graphing+coordinates+worksheet+free PDF link annotation
- https://static.s123-cdn-static.com/uploads/4414161/normal_5ff9211fc683a.pdfIn PDF document text
- https://jozokuxig.weebly.com/uploads/1/3/2/8/132814463/9729079.pdfIn PDF document text
- https://jumuvive.weebly.com/uploads/1/3/0/7/130776409/43cb7ea2e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369629/normal_5fe7c28626ed7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426701/normal_6029c6b9ec792.pdfIn PDF document text
- https://sodipojemip.weebly.com/uploads/1/3/5/3/135325099/repubodamomejaker.pdfIn PDF document text
- https://wamokanudetavud.weebly.com/uploads/1/3/4/5/134510572/firuju-bedemos-zepinikolowe-pomoxopediw.pdfIn PDF document text
- https://vudexugir.weebly.com/uploads/1/3/2/7/132710723/semav.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458132/normal_5fe3bd93683ac.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402488/normal_5fdaf68d76ce8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368998/normal_602d55c87a659.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415070/normal_60291ab5417b1.pdfIn PDF document text
- https://zinegekoxemajaj.weebly.com/uploads/1/3/4/7/134767253/5553291.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/757b2d5d-57be-4ece-ba75-3d365a3c65c8/will_cyberpunk_be_fixed_on_ps4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/84e6dbcd-acdd-43c6-b5a9-22ab8982a82e/nordictrack_a2550_pro_weight_limit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1b8ecaad-d14c-4ac2-965f-89da9cd2a9cc/wood_lathe_turning_projects_ideas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1994c28-0a40-4e1f-90a4-f00052ce50d7/zubisoxixoma.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7cd1404c-0d1b-40c6-8d63-d3792c864e60/70747421140.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/210e97ad-6279-4d5e-bef4-b7f5175a8d6f/were_going_on_a_bear_hunt_activities_early_years.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c4bc320-b194-4ce8-b849-42413ecdd563/89398642911.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_off0000eb44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB44 | 5572 bytes |
SHA-256: 42efb962c54ef2338c437e6d81799454422dd7198fdf9ac570900778a7bfdea1 |
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font_01_sfnt_off0000fe49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE49 | 10648 bytes |
SHA-256: 7fa199d65ae7697c36267022659a9249928bf5c16fdb6affcce2d5ecc2314ede |
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