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 0.9996
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://dafemum.ru/strik?utm_term=what+is+book+cover+meaning PDF link annotation
- https://cdn-cms.f-static.net/uploads/4482426/normal_601986a6ea6a6.pdfIn PDF document text
- http://bobujopolodusol.mygamesonline.org/angular_2_tutorial_ebook.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409630/normal_6064fa8b20883.pdfIn PDF document text
- http://lenuvivureropi.scienceontheweb.net/49363105944.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382961/normal_60476f350e043.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393026/normal_60469d4b95728.pdfIn PDF document text
- https://cdn.sqhk.co/rokajoten/lgjJRAD/85167440932.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486053/normal_5fdc4fc4b40a2.pdfIn PDF document text
- https://cdn.sqhk.co/buvovemif/f8jexid/bc_road_builders_blue_book.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f74ea38a-ab8d-49a0-8d31-9a1d7ce64423.filesusr.com/ugd/5ceade_2702f0bda6a4435c82b1a364d603d2c1.pdf?index=trueIn PDF document text
- https://8a833fea-7c9a-4d2e-a5a7-d3590f42a3e5.filesusr.com/ugd/9aab09_31d8d8306ee64aa5a80539f9f654058e.pdf?index=trueIn PDF document text
- https://39ad70c8-6a03-4de2-a89b-b0209cba5754.filesusr.com/ugd/d2759c_56ea354d181f449f911a6dd1d9cf1bd3.pdf?index=trueIn PDF document text
- https://359ea524-acbf-40a7-8d58-ee96a8f10bc8.filesusr.com/ugd/ca2e76_92a2b501bdea44269a2cb181a04fda57.pdf?index=trueIn PDF document text
- http://nizowozutagele.atwebpages.com/basic_electrician_tools.pdfIn PDF document text
- https://33edd578-4186-4695-89f3-f56a5a23fc53.filesusr.com/ugd/f17c08_963ac689e22746d58ce7939b602e3cfb.pdf?index=trueIn PDF document text
- https://d7b50aa0-fea3-4edc-ba9e-4ed0094b0c60.filesusr.com/ugd/7f614e_c804263f317c43af8876a7db393cee5b.pdf?index=trueIn PDF document text
- https://e2685184-9bcc-4d63-b126-5f7cf6655de3.filesusr.com/ugd/267f13_4775a68810ec429795355f8aaf74ab47.pdf?index=trueIn PDF document text
- https://466f9527-ada3-48b4-ac0c-4ba5546996ca.filesusr.com/ugd/a4b6b9_aa63fe2f709149b19a635aabaf1dba92.pdf?index=trueIn PDF document text
- https://44dd6259-7513-41c7-b2f1-b2b1fc385d2e.filesusr.com/ugd/63022f_df368984a67d485889f0d2e0193cb92c.pdf?index=trueIn PDF document text
- https://ff5ab256-a407-4697-91b9-141751226614.filesusr.com/ugd/4205e4_5e7bb297a81e415990a66614c0dd7090.pdf?index=trueIn PDF document text
- https://05e27880-d5e1-4d3d-8428-ba943e9300bc.filesusr.com/ugd/b56239_882211b733224c82982102778ca0e59f.pdf?index=trueIn PDF document text
- https://5053e88e-9e18-4719-890c-32a1cca0295d.filesusr.com/ugd/411503_98a4760554f3496595a4de7243769d7a.pdf?index=trueIn 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_off0000f719.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF719 | 5460 bytes |
SHA-256: 19c7ea91a8df21742f5c31627ccde828fadaafe97316b834b8c73801aaa0e2c5 |
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font_01_sfnt_off00010991.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10991 | 11368 bytes |
SHA-256: fa68681a45947dce2dc7a1ad8c4703516aa8d449186240a6b9252a3599b442ba |
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