MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing operation. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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 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://golowaki.ru/123?utm_term=fiddle+faddle+leroy+anderson+sheet+music PDF link annotation
- https://paxupodef.weebly.com/uploads/1/3/4/7/134763896/bekodowa.pdfIn PDF document text
- http://iclod.tech/how_to_clean_krups_12_cup_coffee_makeryki2a.pdfIn PDF document text
- https://wewowalowumuv.weebly.com/uploads/1/3/4/0/134040384/1966450.pdfIn PDF document text
- https://sekikeke.weebly.com/uploads/1/3/4/7/134739811/d5325d9.pdfIn PDF document text
- https://semukozev.weebly.com/uploads/1/3/4/4/134493414/8898273.pdfIn PDF document text
- https://lezanixopedem.weebly.com/uploads/1/3/4/8/134886347/zilivu.pdfIn PDF document text
- https://zubefexer.weebly.com/uploads/1/3/1/6/131606337/8465309.pdfIn PDF document text
- https://xaxibilezulaf.weebly.com/uploads/1/3/4/0/134096047/5018606.pdfIn PDF document text
- https://fegojobakib.weebly.com/uploads/1/3/1/1/131163858/semakip.pdfIn PDF document text
- https://jowakalol.weebly.com/uploads/1/3/4/4/134480841/segoju.pdfIn PDF document text
- http://giocodigital.space/529027620709hex2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://19d8af67-ac20-4a7c-8ffd-69be953788a8.filesusr.com/ugd/578741_a194b4475208463381ffc2cf2d3b686d.pdf?index=trueIn PDF document text
- https://07d68bf2-0661-47e2-9ffe-eae068a071af.filesusr.com/ugd/fef806_dd2a03b77bf84b829d078a6fc65e27bb.pdf?index=trueIn PDF document text
- https://16564176-4c62-44d7-82e3-1dea6b832d73.filesusr.com/ugd/5e57cf_6a06306f3c1a41659299485b0d6b6191.pdf?index=trueIn PDF document text
- https://1c684d3d-b1aa-4d58-8f8e-408f9cf37fac.filesusr.com/ugd/64d889_376a3d36ce484880b000253a61e51652.pdf?index=trueIn PDF document text
- https://a40b6db0-1679-4e03-879f-ac5827b9aa7d.filesusr.com/ugd/dba42a_d34e4ce4a3ec4a2c9a723285a5a6268a.pdf?index=trueIn PDF document text
- https://fb5b3b17-6e6a-47c5-ae49-26eddba71e57.filesusr.com/ugd/aff7be_c509f8b89ba04e40963019a1af74bb2d.pdf?index=trueIn PDF document text
- https://123949be-7110-4ba3-a240-a7df06fb38ce.filesusr.com/ugd/80fd5d_e42a4d4c58f6451da70842c10a254624.pdf?index=trueIn PDF document text
- https://9b56c271-8e60-4ff0-96d1-8930f8c082f8.filesusr.com/ugd/5a1ab0_83e36624ebce4764843549ec83ee7813.pdf?index=trueIn PDF document text
- https://37bcb4aa-7747-4ff6-a352-0e22bf983c21.filesusr.com/ugd/4393d3_06e0e392f6e5420cbb89a4155b11b831.pdf?index=trueIn PDF document text
- https://601bead5-a720-4f65-98db-62fe2a42cb91.filesusr.com/ugd/0e52b4_ada7fd7e0bdb4aa0b03f7f57ef53a5bd.pdf?index=trueIn PDF document text
- https://18e99e0c-7034-4a8c-9069-267580a295b8.filesusr.com/ugd/b337f5_98853a58f1514b82b7d757ce59b2fb7b.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_off0000e201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE201 | 5320 bytes |
SHA-256: 8f2b8927650c17bf84f6b4585aa490ae91a6a741934845a8e101a429e1d5eb11 |
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font_01_sfnt_off0000f3f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F7 | 11004 bytes |
SHA-256: 5643812660b8cbfacb323b36e49f201304ff21de6a886cc5d33032f447b9eda3 |
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