MALICIOUS
226
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 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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://kuzutuzo.ru/strik?utm_term=what%2527s+broad+statement+mean PDF link annotation
- http://remastacer.com/wojibopamulekezetmr8yx.pdfIn PDF document text
- https://lenagalazipanom.weebly.com/uploads/1/3/5/3/135310064/d0480c9724a.pdfIn PDF document text
- http://memaberenux.scienceontheweb.net/abrasion_dental_tratamiento.pdfIn PDF document text
- https://likimipezerejo.weebly.com/uploads/1/3/2/6/132682052/53154c.pdfIn PDF document text
- http://magazinrf.xyz/xadekevilejogaxubobawgj6yp.pdfIn PDF document text
- http://fejugutafilevin.scienceontheweb.net/1st_grade_adding_worksheets.pdfIn PDF document text
- https://rozutawupev.weebly.com/uploads/1/3/2/6/132695629/ad9b23803026a79.pdfIn PDF document text
- http://madoxorijegobe.sportsontheweb.net/alimentacion_saludable_en_la_adolescencia.pdfIn PDF document text
- https://gorejirulikem.weebly.com/uploads/1/3/4/7/134738880/d4a6ab26.pdfIn PDF document text
- http://suwefazimim.medianewsonline.com/fisiopatologia_atresia_pulmonar.pdfIn PDF document text
- https://gazuxajolitivik.weebly.com/uploads/1/3/4/7/134770387/2932922.pdfIn PDF document text
- https://niwarixetawozav.weebly.com/uploads/1/3/4/1/134108921/3759492.pdfIn PDF document text
- https://rumevupalod.weebly.com/uploads/1/3/0/7/130739773/towokirimibide.pdfIn PDF document text
- https://mirujodafepofon.weebly.com/uploads/1/3/4/7/134707115/2959581.pdfIn PDF document text
- http://onlinekartiadesi.com/valexebesewinaruraturofuvfbpui.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
- http://bopunuzas.rf.gd/fedex_drop_off_in_clarksburg_wv.pdfIn PDF document text
- http://bazuliditufo.epizy.com/apache_ignite_tutorial.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_off0000d21d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD21D | 4960 bytes |
SHA-256: 5d19c910ddd93e8b5fbf44585db6bafa2c62a65f70fb48a74abcf21d6ae1ff50 |
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font_01_sfnt_off0000e2d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D0 | 10368 bytes |
SHA-256: 2be3d9540bfeda167aad2570814cb4cd42274a5f4c46917cdaacfdf09dbdb133 |
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font_02_sfnt_off00010612.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10612 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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