MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9981
Heuristics 5
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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 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://chcial.ru/pbw?utm_term=uk+postal+address+format+international PDF link annotation
- https://static.s123-cdn-static.com/uploads/4504047/normal_5fecf76c108f3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444853/normal_5fc5a19adf433.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495846/normal_5fc72104432ce.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409602/normal_604211cfbea70.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486743/normal_604adc73e80a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452152/normal_600c05392e264.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448545/normal_5fd8cb41794e5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418184/normal_60317828ae388.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tugewuvog.pbworks.com/w/file/fetch/144717177/pumofidumun.pdfIn PDF document text
- http://jebodigezev.pbworks.com/f/kuziruvasekitofezagabok.pdfIn PDF document text
- http://midevodimu.pbworks.com/f/taylor_swift_google_drive_mp3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ead936fc-d330-45d5-a589-7b2932570d6a/39823312249.pdfIn PDF document text
- http://luwivaj.pbworks.com/w/file/fetch/144495819/casos_practicos_sobre_toma_de_decisiones_empresariales.pdfIn PDF document text
- http://mulasamesi.pbworks.com/f/90003513426.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea04a79c-0435-4670-b787-425fbdd60804/susan_sontag_notes_on_camp_quotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5d07575-3528-4d10-b08f-22324efab61d/52698286903.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ebdf8b22-bcb3-4c3b-b898-441101080c97/judigap.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e1deb8a5-b857-41be-ab4b-86967868a50a/vemixajesekewukadawotozed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae9da6f6-c895-431c-8460-4c3da9de837f/lg_washing_machine_manual_wt7100cw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/683993db-7ecf-407b-b5bb-d40255b99a9c/tawivanolifavatomaxakalo.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_007_off0002dada.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x2DADA | 18340 bytes |
SHA-256: a46e1b0ffb0ac732c4b23f83437379cee1cc9e576d663143d29031e506a145e7 |
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font_00_sfnt_off000228fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x228FD | 27056 bytes |
SHA-256: e451fb5552d51c486c0f42431095fffde88f6c9eddd59ae86975669aba6ba096 |
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font_01_sfnt_off00027d75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x27D75 | 5240 bytes |
SHA-256: 43036356fac5bbd0392407a3af1a17941b2688b5cc831bbf8922a5472f6737b7 |
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font_02_sfnt_off00028f38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28F38 | 29696 bytes |
SHA-256: 9e0f5e26f679702b843434fa71621e2e01453117b8fb661389ed8ed88e912191 |
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