MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9998
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://jacksth.ru/wix?keyword=stoichiometry+conversions+review+worksheet+answers PDF link annotation
- https://cdn.sqhk.co/lojosexotak/PNjidtt/ahlamalik_williams_instagram.pdfIn PDF document text
- http://latitekiwa.scienceontheweb.net/all_fruits_name_in_english.pdfIn PDF document text
- https://cdn.sqhk.co/jarixizotib/qidighh/90895710200.pdfIn PDF document text
- http://jolidulikan.scienceontheweb.net/31851166471.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391893/normal_6005dccf6f26c.pdfIn PDF document text
- http://wimebenese.getenjoyment.net/80526574303.pdfIn PDF document text
- http://xuwuvewisin.mypressonline.com/65147667065.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414156/normal_60435362cf740.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a39ac558-8fe8-437d-9e10-dc9402d6cb9c.filesusr.com/ugd/1ebe14_3e543d3459344dd8afd374660392b9e4.pdf?index=trueIn PDF document text
- https://0a3c8164-ddd9-4522-8472-457ce31ece15.filesusr.com/ugd/d32f78_2d9b4b731ecb403c97f5e83f74319941.pdf?index=trueIn PDF document text
- https://5613ab86-cfe5-4642-b9e1-29ab5e510d76.filesusr.com/ugd/79e000_eb28e16a08ac49c58fa3873b031ef268.pdf?index=trueIn PDF document text
- https://1cf095b7-1d29-4152-b82c-7733cf7ba0c7.filesusr.com/ugd/c1de29_47f6966eded942b4ad8b16cb7257db0d.pdf?index=trueIn PDF document text
- http://kubomefewofumim.atwebpages.com/passport_renewal_form_2020.pdfIn PDF document text
- http://zitasixan.atwebpages.com/fokoj.pdfIn PDF document text
- https://1c8fadd7-09eb-4d2b-9d42-8e747ba5ce52.filesusr.com/ugd/60625b_faf462cbd8304559af6d66515f7b5ff6.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_off0000e168.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE168 | 5428 bytes |
SHA-256: e841569be1341fd6c7e44a1e3d427821ba2dee0df465b14aa6a8c46816c8b86f |
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font_01_sfnt_off0000f3cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3CB | 11356 bytes |
SHA-256: 5d0f2983ea44d037d2950177137d762583c5d7f543f7d81119f8a4c31e2cf6fd |
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