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 0.9997
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://zajinet.ru/123?utm_term=capacitors+types+pdf PDF link annotation
- https://cdn.sqhk.co/lekibapufe/ijdgeja/smart_launcher_icon_pack.pdfIn PDF document text
- https://cdn.sqhk.co/dedomafub/FRKjage/zoxowenujikakufof.pdfIn PDF document text
- http://kidepokapila.22web.org/37735838815.pdfIn PDF document text
- https://tiwirekofer.weebly.com/uploads/1/3/5/3/135314588/8959104.pdfIn PDF document text
- https://cdn.sqhk.co/susojareb/I7BXugi/wheels_on_meals_full_movie_free.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367668/normal_5fc8bdd9e25c1.pdfIn PDF document text
- http://fagawozuwa.22web.org/junior_graphic_designer_cv_template.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4528959/normal_6043b0c96e160.pdfIn PDF document text
- https://cdn.sqhk.co/navimoxa/5C6ijrV/bukunmi_oluwashina_songs_audio.pdfIn PDF document text
- https://saletenabij.weebly.com/uploads/1/3/4/3/134339554/ridobugufidi-rawonapisix-nowixogedabef-waxule.pdfIn PDF document text
- https://temizugejifo.weebly.com/uploads/1/3/1/3/131384470/47f133a9b0cd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375076/normal_604f785caff6a.pdfIn PDF document text
- https://cdn.sqhk.co/fuwufupi/M1ijbih/fishing_diary_apk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465704/normal_6031d3701ae2a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388421/normal_60123c09445be.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9534cc33-30dc-483d-bed2-8d5691710d48.filesusr.com/ugd/3835dd_3a81956d913c4013a5069646916ddfe5.pdf?index=trueIn PDF document text
- https://bdc3fad0-85dd-4e34-85f7-620d54d4ff6f.filesusr.com/ugd/10cedf_f07fddafbeb34b479359e9099820650b.pdf?index=trueIn PDF document text
- https://332892e0-6a2b-40ad-946e-e7c92c61c867.filesusr.com/ugd/3e5d97_493973ef1f304608867afdab223642d9.pdf?index=trueIn PDF document text
- http://maguvotu.rf.gd/motidemevuxolobimufa.pdfIn PDF document text
- https://460eb545-5389-4aa9-9e78-d1074a8bca0c.filesusr.com/ugd/21a131_56fccae81aa94c6a95a4120dafae43c3.pdf?index=trueIn PDF document text
- http://zosunofurokor.rf.gd/4liker_app_apk_free.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_off00011f74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F74 | 5124 bytes |
SHA-256: 54818821667cfa09e411d989c76b4d198ce294ddbe1fb170fc156fe900abb55d |
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font_01_sfnt_off000130f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F3 | 11168 bytes |
SHA-256: 21bc5d8dfaeb6a2b93c9aa67ebf9198d750638706a034228159aeffdac33083b |
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