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 0.9995
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://pelibifir.ru/strik?utm_term=not+taking+sides PDF link annotation
- https://dorubirema.weebly.com/uploads/1/3/4/3/134317311/muber.pdfIn PDF document text
- http://nakozek.mypressonline.com/certification_iso_9001_version_2020.pdfIn PDF document text
- https://cdn.sqhk.co/vanewano/ijhb9gc/43131190363.pdfIn PDF document text
- https://cdn.sqhk.co/wusezofetib/dhdgDbo/12785640717.pdfIn PDF document text
- http://xazapefunel.getenjoyment.net/duterotuwejofaxiwiwikudef.pdfIn PDF document text
- https://cdn.sqhk.co/nugilatunu/gmZgAgi/xunuvigiwefamivenil.pdfIn PDF document text
- https://cdn.sqhk.co/tokarikadez/wjjsOja/geliwanukuluritawazetado.pdfIn PDF document text
- https://cdn.sqhk.co/rozesivotix/jcidDhi/berger_paints_annual_report_2017-_18.pdfIn PDF document text
- https://xopugexufejan.weebly.com/uploads/1/3/4/7/134709921/rirabomudaw.pdfIn PDF document text
- https://cdn.sqhk.co/gubujurit/6uEotHg/top_rechargeable_toothbrush.pdfIn PDF document text
- https://cdn.sqhk.co/walumupo/jyONib3/simple_modern_house_design_plans.pdfIn PDF document text
- https://vobawele.weebly.com/uploads/1/3/5/3/135334277/e21f9f46c.pdfIn PDF document text
- https://warevinigipa.weebly.com/uploads/1/3/4/8/134898994/9740417.pdfIn PDF document text
- https://cdn.sqhk.co/javepuju/ZaD8Nkk/hmrc_self_assessment_forms_capital_gains.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/rujimidujek/vuejs_component_template_from_file.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2736e89c-8da8-42e4-aa50-148ef3524735/kuwosukonikomukegiga.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fa1b3f0f-17eb-4337-b038-3c821807c564/suruliladuzedulurupowaxew.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc7b0396-8b53-422c-a20f-45c9e4927a1c/53813005846.pdfIn PDF document text
- https://s3.amazonaws.com/mozedijiz/poulan_pro_pp5020av_repair_manual.pdfIn PDF document text
- https://s3.amazonaws.com/zemigiduwagafu/75839251861.pdfIn PDF document text
- https://s3.amazonaws.com/kafises/91724446813.pdfIn PDF document text
- https://s3.amazonaws.com/dusubonifu/jupawipepibukakof.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cd1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD1B | 4684 bytes |
SHA-256: 7eaac3ba321f7e6ae6e6207f327ed75cfdaa7b8467764c6df6503be503520d43 |
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font_01_sfnt_off0000dd18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD18 | 10236 bytes |
SHA-256: dde668dfd4e881af18795daa3403d03b564c6aae9744e9b57480cb00fbfb4e3a |
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font_02_sfnt_off0000ff96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF96 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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