MALICIOUS
194
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. It uses an invoice-themed lure. 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 0.9991
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://xajibur.ru/strik?utm_term=models+for+writers+13th+edition+answers PDF link annotation
- https://futokiwusilo.weebly.com/uploads/1/3/4/4/134458686/siwajoduxupidunopam.pdfIn PDF document text
- http://prognoz-football.club/badut769s3.pdfIn PDF document text
- https://bezujaseda.weebly.com/uploads/1/3/1/4/131437953/pefaruxiwuge_rarolojugake_jepuropujuti_tofija.pdfIn PDF document text
- https://kudilasiwutoxe.weebly.com/uploads/1/3/5/3/135314551/burulajamasopa.pdfIn PDF document text
- http://onlinetyz.xyz/xudukafokabemiwekumowu1x2fk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475847/normal_60604144a8869.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480743/normal_606c85ddd0e40.pdfIn PDF document text
- https://wekexodaxax.weebly.com/uploads/1/3/4/7/134713384/c7a042a5.pdfIn PDF document text
- https://gemiporelowagi.weebly.com/uploads/1/3/0/7/130775846/9097542.pdfIn PDF document text
- https://nalivugubogepa.weebly.com/uploads/1/3/0/9/130969323/tagaf_xiraja_batatawam.pdfIn PDF document text
- https://vaxejoxumede.weebly.com/uploads/1/3/5/3/135346770/kafuv.pdfIn PDF document text
- https://viwitilabepimep.weebly.com/uploads/1/3/2/6/132695477/3e04de88ce0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490735/normal_600c8f542d5dc.pdfIn PDF document text
- http://tlgfree.xyz/gatiwuaa1hm.pdfIn PDF document text
- https://nosisakapu.weebly.com/uploads/1/3/4/7/134773138/nuvunebedolaboj-rigiteluxebofa-sipabesin-najotivugarewel.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/sefukirexuwekij/guluvalapimagorul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/050bdf88-3418-42cf-be0c-7793656a2bf1/how_to_cancel_your_membership_to_planet_fitness.pdfIn PDF document text
- https://s3.amazonaws.com/viwoxuz/payment_enclosed_letter_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/84bc2d21-a288-49e2-9422-4242dba8768a/are_oakley_glasses_z87_approved.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb015216-7920-46fe-bf51-26ecc8bb9d81/notesuridiwovimidutupa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8cc736b-af30-4ee9-a29c-996cb20ae578/78523745534.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/41a76522-42bc-4859-a5a2-8e9a7a456f2f/exalted_2e_backgrounds.pdfIn PDF document text
- https://s3.amazonaws.com/gezizefefififa/sirukeb.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_off0000ce8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE8C | 5096 bytes |
SHA-256: e209ec0e7dcf3c045a4ec0b7100688964934f0000c9be01513c116416a82f34e |
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font_01_sfnt_off0000dfe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE9 | 10288 bytes |
SHA-256: 7bf2c3f1ea63185002a1e59b6e30c03dbcdba867c22e1d18c5209a7960ae0c05 |
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font_02_sfnt_off000102ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102AD | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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