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 0.9998
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://trafffi.ru/aws?utm_term=cpcl+annual+report+2016-+17 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4454045/normal_5febb45e4827f.pdfIn PDF document text
- https://pelosewedi.weebly.com/uploads/1/3/4/7/134753512/gojodepar_zewino.pdfIn PDF document text
- https://cdn.sqhk.co/vonixilavot/plAgdjQ/run_3_online.pdfIn PDF document text
- https://feromawafisoxi.weebly.com/uploads/1/3/4/5/134501851/a0f4704.pdfIn PDF document text
- https://gewupokisata.weebly.com/uploads/1/3/4/6/134606569/2328271.pdfIn PDF document text
- https://kufudazasa.weebly.com/uploads/1/3/4/6/134626120/godivejadizupuz.pdfIn PDF document text
- https://cdn.sqhk.co/vuwonesi/gifx8hc/65243424906.pdfIn PDF document text
- https://figerifefiter.weebly.com/uploads/1/3/4/3/134343277/1954540.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/susonanezaj/el_clima_en_chiriguanos_formosa.pdfIn PDF document text
- https://s3.amazonaws.com/gezejoputiwinu/autodesk_autocad_2017_x64_keygen.pdfIn PDF document text
- https://s3.amazonaws.com/wumodukubaru/atrial_fibrillation_guidelines_aha_acc.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_off00012556.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12556 | 5196 bytes |
SHA-256: 42083c04518e1fcb2906c1373ea8bd2003e519c6a4ec93a1f44587d8dd53c8c1 |
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font_01_sfnt_off0001371c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1371C | 12304 bytes |
SHA-256: 644ac41b3d526c388ffd5abbc14e08b0d5a340dd0b18727a24a7e3b0c00758ec |
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font_02_sfnt_off00015eb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EB8 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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