MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://dafemum.ru/strik?utm_term=images+of+divisional+organizational+structure PDF link annotation
- https://cdn.sqhk.co/zotenejek/eFijhaH/honor_store_app.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369141/normal_603b1916bab61.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486763/normal_604da0e859e61.pdfIn PDF document text
- https://cdn.sqhk.co/norifasil/ih4giji/noon_payment_link.pdfIn PDF document text
- http://govuxojikasumot.scienceontheweb.net/9764487149.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453575/normal_6062c86470697.pdfIn PDF document text
- https://cdn.sqhk.co/lijipatalenu/jhgZcbF/90298435012.pdfIn PDF document text
- http://gojawufeki.getenjoyment.net/33953968885.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://df1882fa-13c5-42f1-8438-577935b594b9.filesusr.com/ugd/91932b_c55e8ccad5064841b439559a26d0fdfd.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4768f8e7-b891-4e35-ad5e-95cbe4c40cb2/red_haired_woman_orhan_pamuk_quotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2da8e9da-a54a-46f2-8fa0-495a170edf00/elite_3.2_qt_digital_air_fryer_reviews.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a195225-2d4f-4589-ac34-818b2d5817e3/que_es_el_estado_de_derecho_democratico_en_mexico.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2afc3cd-58e0-49ae-9696-3b707a8b73c3/ximedepidire.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/39151beb-7c89-4de8-8137-6295519b2637/79499546564.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab965ed7-3e4a-4b89-b08d-a1fad99fb824/73794418734.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f080c7e6-f086-4a69-952c-fecc3f384250/dobafi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/61b13182-ea21-426c-b125-50076c1e8c40/game_show_network_streaming_youtube_tv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7d0b2199-911f-4c5c-b90e-285aa2fa202d/41539173676.pdfIn PDF document text
- https://b56e00ce-d729-42e9-814b-b9a4b194f5ba.filesusr.com/ugd/f6f93f_46d79f4f41624706b88be68e2e8617b8.pdf?index=trueIn PDF document text
- http://pikubub.onlinewebshop.net/cctv_camera_system_learning.pdfIn PDF document text
- https://ce3a146a-d504-4efb-981c-4593fb85d965.filesusr.com/ugd/5b5da7_44fc2d73cd96464bbcf0c6a7301d1c54.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/72d6fc50-2db0-44b4-b98a-fc88745d5b47/92564606965.pdfIn PDF document text
- https://bb74f61c-7045-47bf-9a7e-968101ee373e.filesusr.com/ugd/81ef4b_f3912973d7784522b92b8460d5999e4d.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_off0000efaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFAA | 5388 bytes |
SHA-256: e98dfe15a329bdd2f19d29e2bd3ff5f5091b6c68f021cf1fdac404e201a50d0e |
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font_01_sfnt_off000101f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F2 | 11068 bytes |
SHA-256: e268d91c2569a01190d10c243738572e25053d9a73c608dce194b71bbcb579a2 |
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