MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links pointing to various external websites, many of which are hosted on disposable domains, indicating a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/wix?keyword=chip+bag+template+for+publisher In PDF document text
- https://xubuvene.weebly.com/uploads/1/3/1/3/131380433/rifekimoz.pdfIn PDF document text
- https://dijamolilum.weebly.com/uploads/1/3/5/3/135347404/1896578.pdfIn PDF document text
- https://dagigofeno.weebly.com/uploads/1/3/4/8/134887245/givipidutenuzusi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452152/normal_6020bab5a10d6.pdfIn PDF document text
- https://gozerezujokosas.weebly.com/uploads/1/3/4/8/134856803/af2480f90.pdfIn PDF document text
- https://cdn.sqhk.co/ronofumito/Uijggjf/play_mutant_fridge_mayhem_gumball_game_online.pdfIn PDF document text
- https://kizinuraximi.weebly.com/uploads/1/3/4/4/134446503/6001090.pdfIn PDF document text
- https://gavanigo.weebly.com/uploads/1/3/1/3/131380609/sasofokapetij.pdfIn PDF document text
- https://cdn.sqhk.co/tazurusubiz/id5ifDI/microgolfoven_kopen_mediamarkt.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424981/normal_5fc7b0248fc64.pdfIn PDF document text
- https://bapefakujina.weebly.com/uploads/1/3/4/4/134483882/6efa133a7a98.pdfIn PDF document text
- https://cdn.sqhk.co/jutigurotow/hhZRBXa/status_video_tamil_download_for_whatsapp_sharechat_free.pdfIn PDF document text
- https://cdn.sqhk.co/vawikepaf/haR0gcC/96092422950.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459623/normal_5fe63254ccb79.pdfIn PDF document text
- https://repanari.weebly.com/uploads/1/3/5/3/135308988/poxip_sonatan.pdfIn PDF document text
- https://gojojiwegojefuw.weebly.com/uploads/1/3/2/6/132695574/lenakavu.pdfIn PDF document text
- https://cdn.sqhk.co/bozogekeji/ijehgjY/33651860274.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/zunewidimem/vafezulumovevirezosadaz.pdfIn PDF document text
- https://s3.amazonaws.com/buxoparadazegu/fegidam.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_off0000dabc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDABC | 5360 bytes |
SHA-256: 7e0e662664c2842ecbf158331cbd56dc791ec0dac1c07f83c1fce0f689a91a5e |
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font_01_sfnt_off0000ecc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC6 | 10072 bytes |
SHA-256: e6590ab35922696b963cf65e76ff185b113973180a490c3f009c7776582017ec |
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