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. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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/award?keyword=microsoft+azure+fundamentals+az+900+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4378836/normal_5fe06dd90d136.pdfIn PDF document text
- https://cdn.sqhk.co/dagosasojo/Aahagca/polyrhythm_poly_metronome_rhythm_trainer.pdfIn PDF document text
- https://gifitutopa.weebly.com/uploads/1/3/4/4/134470147/zusawixexujo.pdfIn PDF document text
- https://cdn.sqhk.co/xezalagefog/ihjf7ie/free_distributive_property_worksheets_4th_grade.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391903/normal_60201978179f7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366633/normal_5feb158f012ac.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470979/normal_5fc59c039b58a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425772/normal_60583e4192966.pdfIn PDF document text
- http://towibukawit.22web.org/metubagonagulo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413714/normal_605599bf1f217.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387712/normal_604cd76c14030.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378607/normal_5ffc70074bd41.pdfIn PDF document text
- https://baboxubawuxi.weebly.com/uploads/1/3/4/6/134666135/likidenodiripur.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/55186559-cf1c-4d9d-809c-bb014ae01ded/when_does_the_new_wu_tang_season_come_out.pdfIn PDF document text
- http://giwilefo.rf.gd/vitomokudavodibape.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a0a6010-7d73-400d-854e-d66326097549/what_water_filter_does_my_whirlpool_refrigerator_use.pdfIn PDF document text
- http://rimamosapike.epizy.com/anorexia_2020.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF132 | 8240 bytes |
SHA-256: d35c4cfafa930bc28c7af1014a62a8e5c428fef4c08320a9b9231759185e8f6d |
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font_01_sfnt_off00010c95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C95 | 5656 bytes |
SHA-256: a27456db415f3d18d1bba446054ef321afb56aef94186ff53b6691122e0a2729 |
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font_02_sfnt_off00011fbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FBF | 3300 bytes |
SHA-256: 7fae43d1680c375258beb53962108d94d48a5a6133cd78720ef013050a78bbba |
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font_03_sfnt_off00012d05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D05 | 11184 bytes |
SHA-256: cb159819a9fb9eceaf242adbf9697cfafb1729dea1dd3f927e025d38c0cd1171 |
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