MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of external links, many of which are disposable or hosted on dynamic DNS services, suggesting a link farm or SEO spam operation. The document body, though heavily obfuscated, contains references to 'Subway menu specials soups' and 'wkhtmltopdf', indicating a lure to potentially malicious content. The presence of PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics, along with a high ML classifier score and ClamAV detection, strongly indicates malicious intent, likely related to phishing or malware distribution via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://dugedepap.ru/strik?utm_term=subway+menu+specials+soups PDF link annotation
- https://jovinafunen.weebly.com/uploads/1/3/2/6/132695325/4456349.pdfIn PDF document text
- https://rikedinodewo.weebly.com/uploads/1/3/5/3/135323941/xojudeteki.pdfIn PDF document text
- https://cdn.sqhk.co/titesojijuko/2zq7cgj/roku_hbo_max_update.pdfIn PDF document text
- https://cdn.sqhk.co/dawajimet/jdhigi3/angry_bee_evolution_mod_apk.pdfIn PDF document text
- https://nokifafib.weebly.com/uploads/1/3/4/5/134597692/2842804.pdfIn PDF document text
- https://pavadugubuwab.weebly.com/uploads/1/3/4/3/134309483/dizujobuk.pdfIn PDF document text
- https://vozokeku.weebly.com/uploads/1/3/1/8/131857213/21be16.pdfIn PDF document text
- https://pinozawekik.weebly.com/uploads/1/3/4/5/134589254/peruliwife_tagexupeb_nokijomaxenubo.pdfIn PDF document text
- https://cdn.sqhk.co/rapovixovuti/h9TLLsK/malajozu.pdfIn PDF document text
- https://sajogosekatoja.weebly.com/uploads/1/3/4/6/134682383/naferumop.pdfIn PDF document text
- https://wipegozi.weebly.com/uploads/1/3/0/9/130969535/jalibetoninub.pdfIn PDF document text
- https://tatilimaju.weebly.com/uploads/1/3/4/4/134464449/9381978.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nitidadufetenu/kawasaki_ninja_300_maintenance_schedule.pdfIn PDF document text
- https://1ffb5d6c-d890-49e0-9b87-dc10fbfa49e2.filesusr.com/ugd/8bc2a6_958ae96f6b47415f847794491a77af7a.pdf?index=trueIn PDF document text
- https://945c5b1a-9feb-4a08-b72d-c905ca1b1520.filesusr.com/ugd/27135d_7f44b6189280480aba18934b9a30e057.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d14db32e-c8dc-43cb-a8e4-bdad2ce7c284/barnett_jackal_crossbow_limbs.pdfIn PDF document text
- https://s3.amazonaws.com/nezanurugega/22500221996.pdfIn PDF document text
- https://d8ec88ce-93b1-4b83-b294-7016fd5b5063.filesusr.com/ugd/366252_32365fb8378c463a86fb4ba1b9eb082e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kumasala/57094379692.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/776e0b8c-8047-44ff-b995-486f7ceac3a8/budofido.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0624690c-4877-42c7-805b-b5025c3bbfe3/96552254903.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5681084f-3cf7-4fc9-bbd2-454eb4940641/4480715847.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_off0000f777.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF777 | 5420 bytes |
SHA-256: adbaf2396f379b3e47434807bed00d7a17d22c3509a4d4de48f1c6e3f568a895 |
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font_01_sfnt_off000109ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109EE | 11256 bytes |
SHA-256: 36a859c8f45c76c665964288891c72692df3f40a71af07db31166b2f3f34225a |
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