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 0.9995
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://wastran.ru/pbw?utm_term=elementary+differential+equations+11th+edition+chegg PDF link annotation
- https://vurerabekude.weebly.com/uploads/1/3/4/4/134493837/3325851.pdfIn PDF document text
- https://takewozijofu.weebly.com/uploads/1/3/2/6/132682119/574e10e84ed7595.pdfIn PDF document text
- https://zirivuso.weebly.com/uploads/1/3/1/1/131164479/vumadoka_xinujulowe_lomoba_rikowufegojo.pdfIn PDF document text
- https://kigefewapese.weebly.com/uploads/1/3/4/5/134528385/biveda-zenirinuse-resav.pdfIn PDF document text
- https://wegogutez.weebly.com/uploads/1/3/4/3/134310606/vonopowos-ganibo-jekolefaf-fegog.pdfIn PDF document text
- https://ximumarititudor.weebly.com/uploads/1/3/7/5/137516614/fidabalefaxun_vigek_petagopeli_mopeladadivos.pdfIn PDF document text
- https://jomobezeg.weebly.com/uploads/1/3/4/6/134606819/xotogusalopi.pdfIn PDF document text
- https://lenagalazipanom.weebly.com/uploads/1/3/5/3/135310064/40d76.pdfIn PDF document text
- https://saguwaxofules.weebly.com/uploads/1/3/2/6/132681351/0d940.pdfIn PDF document text
- https://koturukumofup.weebly.com/uploads/1/3/4/8/134883222/6175404.pdfIn PDF document text
- https://janikopet.weebly.com/uploads/1/3/4/6/134690806/dozet.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/b720770f-88d5-4e69-88c9-0be3f74f3259/55502443430.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4a1ea338-9cb8-4f66-8811-b7bd6552e5ca/51822350420.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01ae3077-031d-40f0-91b3-cf4442d80678/learn_calligraphy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1b35ac90-5f59-4a91-95e9-6c6fdaf21bef/blyss_dehumidifier_manuals.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db11f07c-217a-4cb8-a342-bf9bed6b9157/pivonifesegunonosabut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e545cef7-51c9-460f-8543-999b4a765c0a/80186177728.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cdb44b0a-2973-4e33-ad52-f7a20f5904a0/how_to_pray_for_your_marriage.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf2a7c68-cbc5-48e1-b020-c0547197764a/92995546810.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c0c119d-d426-45df-9370-6de88bf68e63/avent_steriliser_instructions_electric.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f153f7ac-83cf-4976-a6d9-fbb1360f5ff0/how_to_add_zoom_filters.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5cfddb19-3575-4756-9663-b4dfbc0d53c6/what_are_the_new_f1_rules_for_2021.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_off0000ea6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA6B | 3324 bytes |
SHA-256: c82f58b141448c8c2bf04bcd6f9dd2b606425bd9362fb0be047f733d9c2f1445 |
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font_01_sfnt_off0000f665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF665 | 5672 bytes |
SHA-256: 05d0e7b806a71414eea339f15af7aad604360b7ab55cab09e3588200d36ae716 |
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font_02_sfnt_off0001098d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1098D | 11608 bytes |
SHA-256: 98f7e14b30b4e0c6df446a263ffa6ccefbe9d910816b4b932b3a020330a57c15 |
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