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 0.9997
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+do+i+enable+wps+on+my+sky+router PDF link annotation
- https://cdn-cms.f-static.net/uploads/4479433/normal_601603597c84b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387711/normal_5fca133ed0c88.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367281/normal_6064733bb1694.pdfIn PDF document text
- https://lolekujawifom.weebly.com/uploads/1/3/1/0/131070351/09a50095465876.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459185/normal_60517f11d5377.pdfIn PDF document text
- https://pugubitef.weebly.com/uploads/1/3/5/3/135302221/sokaxozaxa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377414/normal_5ffe44a222480.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452607/normal_605a8c17ce3a7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486994/normal_605521273fdcf.pdfIn PDF document text
- https://wivikomale.weebly.com/uploads/1/3/2/7/132740486/kijinolud.pdfIn PDF document text
- https://jedawakebikota.weebly.com/uploads/1/3/4/7/134715316/4123025.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372681/normal_6066bfb742d5d.pdfIn PDF document text
- https://xekixudag.weebly.com/uploads/1/3/4/3/134336078/9481858.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371523/normal_5fdae1d22192e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462059/normal_606a13c07f058.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/d22c0149-ac69-4f2b-b71f-f308b9a35182/17549822477.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29f01150-afbd-420e-a898-447c7710fec7/budakojirapulu.pdfIn PDF document text
- https://s3.amazonaws.com/vexeliku/likala.pdfIn PDF document text
- https://s3.amazonaws.com/damerirazib/45039406890.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f7e1d2f-f8cf-4da1-bc93-c43c3ef8e2a2/el_principito_libro_original_resumen_sobre.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4d618bb-39dc-4601-8a6f-7e3c4de07fad/is_the_a_relationship_between_foot_size_and_height.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_off0000fa7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA7D | 5464 bytes |
SHA-256: c6ea185d8a63858d5dd3352f62998456c787590ef15c108d35739969f19cac64 |
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font_01_sfnt_off00010d04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D04 | 11568 bytes |
SHA-256: c9cb08439a23970bcb72425324f6b22865cc1cf2afb5add24be169e6c7465ab7 |
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