MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing lure. Heuristics like PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely serving as a dropper or redirector to malicious content.
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/wix?keyword=reddit+best+nuclearrevenge PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425214/normal_604a8684b3dcb.pdfIn PDF document text
- http://m-ryanaf.site/90196520075sd06u.pdfIn PDF document text
- https://kapejipe.weebly.com/uploads/1/3/1/0/131070538/fed66d8ec1a96.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4389823/normal_5fc6caad49eed.pdfIn PDF document text
- http://ita-yog.space/cod_mobile_lucky_draw_cost_singapores1gqp.pdfIn PDF document text
- http://connexion-amelii.xyz/fuzilukirasugqqm0p.pdfIn PDF document text
- https://cdn.sqhk.co/gulanuwe/8jbhfa8/agricultural_operations_manager_salary_in_south_africa.pdfIn PDF document text
- https://cdn.sqhk.co/kewudomavave/jdjahie/95175343707.pdfIn PDF document text
- https://fedalovojuxunod.weebly.com/uploads/1/3/0/7/130775560/0e65098f52d4fd.pdfIn PDF document text
- http://help-service-support.com/81290062713ofxyj.pdfIn PDF document text
- http://lnstagram-helping.live/46237479688tis8q.pdfIn PDF document text
- http://xplaintome.ru/zarawokebedadufedue9j59.pdfIn PDF document text
- https://cdn.sqhk.co/kinanekoxo/PmqjbVs/super_hero_tycoon_codes_2019_july.pdfIn PDF document text
- https://sekamaxe.weebly.com/uploads/1/3/4/5/134590712/2a9bd83e11.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501482/normal_6029d1bb20fef.pdfIn PDF document text
- https://diniporugixufov.weebly.com/uploads/1/3/1/8/131856235/lelujopuwegof_gukaga.pdfIn PDF document text
- https://vukujaxirebes.weebly.com/uploads/1/3/4/1/134108713/dusuzevonoji.pdfIn PDF document text
- http://reduslim-buy.site/fufupugatofa4fq.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://58f604bd-1fd8-4cfe-af9b-f15e67d030d5.filesusr.com/ugd/9a7439_741ac6654abb47308527f608503fc8c6.pdf?index=trueIn PDF document text
- https://c145ee04-3c3b-4786-8b94-e0511401b322.filesusr.com/ugd/de65f7_d90e9019ca58434e88829895fdc8063d.pdf?index=trueIn PDF document text
- https://d6504552-49b0-4b7d-b1ff-94f9e1082b83.filesusr.com/ugd/1f0558_08c6c5f57db04b2098d3c1c293cb5483.pdf?index=trueIn PDF document text
- https://89e5ed4a-33eb-42a6-b5f1-9fc07ea1e15b.filesusr.com/ugd/ff68bb_144798cb12204daeb95624102d92ec7c.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_off00010615.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10615 | 5312 bytes |
SHA-256: a448331536aacb8ed33155d19c8db4055098450e4c64433f4f402537a85ec865 |
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font_01_sfnt_off00011840.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11840 | 11260 bytes |
SHA-256: a6419d22f0e70485479f2ffd5a1dfaf8c80b256080393e53691e76979c75e4ff |
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