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 pointing to disposable domains and link farms, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this. The ML classifier and ClamAV detection further confirm its malicious nature. No scripts were extracted, but the document's structure and embedded URLs point to a malicious link farm.
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://soxebez.ru/award?keyword=calendario+2020+argentina+pdf+mayo PDF link annotation
- https://cdn.sqhk.co/giganopof/jjgeLhj/sibazufen.pdfIn PDF document text
- https://puwawegolawibot.weebly.com/uploads/1/3/2/6/132682739/3389731.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375355/normal_5ffbdad6f2d18.pdfIn PDF document text
- https://poguxepo.weebly.com/uploads/1/3/4/5/134509835/5218958.pdfIn PDF document text
- https://cdn.sqhk.co/tosijoxopum/bgclYhc/57268521974.pdfIn PDF document text
- http://stassikorskyi.com/11566862379z9gpz.pdfIn PDF document text
- https://nudiwosesi.weebly.com/uploads/1/3/4/3/134317077/6229684.pdfIn PDF document text
- https://dadekubezaxinis.weebly.com/uploads/1/3/2/7/132740399/buwapimidaxerev-degifa-poninavuwufipob-wugabag.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449789/normal_604244481e255.pdfIn PDF document text
- http://copyrightsupportforlnstagram.com/forigetotuvunuzosipibutatmo13p.pdfIn PDF document text
- http://masajsalonunuz.com/chair_gym_replacement_partsc0oku.pdfIn PDF document text
- http://50offstore.info/92171013516wg30g.pdfIn PDF document text
- https://tufamivobanode.weebly.com/uploads/1/3/0/8/130814219/gukemi-voviruje-nevenanat.pdfIn PDF document text
- https://rotafejejulivis.weebly.com/uploads/1/3/4/5/134599198/fugan.pdfIn PDF document text
- https://fumuradowije.weebly.com/uploads/1/3/0/7/130739974/5015676.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457005/normal_5feb5d7b15648.pdfIn PDF document text
- http://myluckywin.site/tapuzirizalomaxezibuwygiq.pdfIn PDF document text
- https://moduruwili.weebly.com/uploads/1/3/2/7/132710657/1233194.pdfIn PDF document text
- https://xadajosawot.weebly.com/uploads/1/3/1/6/131636584/pepiwulegi_vajujitetili_mukufexuva_dosopogodewutux.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378155/normal_6022d20696ab0.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/a86a034b-8888-497e-a14a-52fe8519d277/herstein_abstract_algebra_solutions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b223e8e-b9c0-4ec5-8340-0d7f46be140c/verb_worksheets_for_10th_grade.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_off0000dd66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD66 | 5464 bytes |
SHA-256: 47bb5a6bcb0cfa5e0e52b03924c52814cd221fd271158c5638be79f77375a51d |
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font_01_sfnt_off0000efeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEB | 11900 bytes |
SHA-256: 63dec332f9943d37656e4ab19601d300e70eff4aaa146b04d14e7ef79794262d |
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