MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, and the numerous embedded URLs point to a link farm strategy. The primary attack pattern involves directing users to external sites, likely for phishing or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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 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/wix?keyword=borderlands+2+randomizer+multiplayer PDF link annotation
- https://cdn-cms.f-static.net/uploads/4412584/normal_5fd6748f8272e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422908/normal_6008b18aa01b2.pdfIn PDF document text
- https://midumelu.weebly.com/uploads/1/3/4/3/134341446/pubitutas-wagalevawo-gorewa.pdfIn PDF document text
- https://cdn.sqhk.co/butuxolevu/ClidyXI/65602806163.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402250/normal_5ffc166023ce3.pdfIn PDF document text
- http://zizodoroluxonaf.sportsontheweb.net/fujitidimidubodin.pdfIn PDF document text
- https://vavaxomutiposev.weebly.com/uploads/1/3/0/7/130738712/bufejobapan_zezedorutiribu.pdfIn PDF document text
- https://vufevilasok.weebly.com/uploads/1/3/4/3/134314299/winutilitel.pdfIn PDF document text
- https://nolabuxovitu.weebly.com/uploads/1/3/5/3/135305824/ee10ae.pdfIn PDF document text
- http://movawizaxaxato.mywebcommunity.org/6205072374.pdfIn PDF document text
- https://cdn.sqhk.co/xawodoze/2NOjdhd/simple_senior_phone_app.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414494/normal_602f19e98be01.pdfIn PDF document text
- https://cdn.sqhk.co/vadezewe/wiaihlB/global_smartphone_penetration_by_age.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b67fa923-03b4-4d21-b555-95ff628d7525.filesusr.com/ugd/1d4b90_e6aced82fe574cf89a65933235a9dc0a.pdf?index=trueIn PDF document text
- https://68420551-d949-41c4-975b-2ae86aa6d062.filesusr.com/ugd/09c3c7_d3d784ad9e1245eba3aae8ae6a5b6d2f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1b864958-0fcd-4e88-80a1-a1de8c9c4b8e/how_to_become_a_vet_assistant_in_ny.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff7bc439-8592-4f7f-9205-0802d8822b95/jagibasul.pdfIn PDF document text
- https://3f5765b5-411c-4b28-96d1-a1e3b219bcee.filesusr.com/ugd/ca847e_cbe812f03573439d944e52157dfc55fb.pdf?index=trueIn PDF document text
- https://fad58b31-c538-4d3f-828d-7998eec853b9.filesusr.com/ugd/7e6083_62f5665669de497195e2ee1be9670fb0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/41a60f89-164b-4578-9838-ceadf696b1a3/how_to_learn_kali_linux_for_beginners.pdfIn PDF document text
- https://c580675e-8888-491d-8c80-3106eaac86fb.filesusr.com/ugd/c8a981_f1729af3504242ac8cbd038c1f2d6c0a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/da1c9f36-a5da-4672-9862-d07bab00fe13/94384626327.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_off0000edca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDCA | 5440 bytes |
SHA-256: 01710a63eb77c3de2f6cf75868ebd2dc67bc953ac377b2c9c2d36e587a76d330 |
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font_01_sfnt_off00010041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10041 | 10736 bytes |
SHA-256: 14724492ed9500dde3bf9b0322fd1b2e848a645f7ed556ed00ccc80f85950139 |
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