MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://dugedepap.ru/strik?utm_term=oxford+handbook+of+clinical+medicine+9+pdf+free+download PDF link annotation
- https://bofazereb.weebly.com/uploads/1/3/4/6/134675062/robisawik-gexafaxum-mesila-wovesaj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450424/normal_602de69d90a0d.pdfIn PDF document text
- https://romudakon.weebly.com/uploads/1/3/5/3/135318284/9261876.pdfIn PDF document text
- https://misekijenag.weebly.com/uploads/1/3/1/3/131380320/e6f5a92a8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381546/normal_60286f48d4a36.pdfIn PDF document text
- https://legokozupanodul.weebly.com/uploads/1/3/4/4/134492876/3759182.pdfIn PDF document text
- https://sakenudawajaka.weebly.com/uploads/1/3/4/5/134595508/lafajanamuluma.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410694/normal_605c2883e022c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447273/normal_605b94beec2bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488574/normal_6062ce1cc6889.pdfIn PDF document text
- https://lumozilupive.weebly.com/uploads/1/3/4/3/134336046/dewuxe.pdfIn PDF document text
- https://narezivif.weebly.com/uploads/1/3/5/3/135307162/gubuxu-jetujojodon-wazuvisewise-pemazujodar.pdfIn PDF document text
- https://xamubamujizej.weebly.com/uploads/1/3/1/4/131483378/40bea8c84.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4452607/normal_5fe25c80dc992.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412183/normal_604af45a0d2c4.pdfIn PDF document text
- https://gupuvuzuguzi.weebly.com/uploads/1/3/1/3/131379578/nibesezabude.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/08cbfeab-c1f4-4799-a55e-913243b9880d/texas_health_and_safety_code_chapter_822_subchapter_d.pdfIn PDF document text
- https://s3.amazonaws.com/sesafefanulokam/5131173468.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ad0aba6-9493-4cc7-91c6-e44e059d4a05/siduwewipalob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08e987cd-92d8-4d7d-b6fe-0221b8750c3a/juwunidegimovanupi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df4b9cc2-9c38-4a04-8ebf-9f4e0fb47716/98925044041.pdfIn PDF document text
- https://s3.amazonaws.com/bipepezuwed/tijilurawuwopinan.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_off0000eeca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECA | 5764 bytes |
SHA-256: f25645f43fd439f30e316efd4c1e391889b10d9cf386f3808c4b4fbcf65cf55e |
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font_01_sfnt_off00010251.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10251 | 11004 bytes |
SHA-256: d566988d45a9a968233cc633f11b918b2de1514b23c7a0aba150ef4c17bdb17d |
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