MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains a large number of external links, many hosted on disposable domains, indicating it functions as a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded URL and the PDF_SEO_LINK_FARM heuristic confirm the primary function is to redirect users to external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://vilenefex.ru/strik?utm_term=amc+10+cutoff PDF link annotation
- https://cdn-cms.f-static.net/uploads/4421615/normal_6046107f6c58e.pdfIn PDF document text
- http://sifisomatexow.sportsontheweb.net/warhammer_40k_8th_edition_rules_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491175/normal_60207e067abe2.pdfIn PDF document text
- https://rigukolanerimi.weebly.com/uploads/1/3/4/5/134519373/pixinuzetudilaz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490524/normal_602edde9174fb.pdfIn PDF document text
- https://tofukoluto.weebly.com/uploads/1/3/0/7/130775982/vaxijubumitumabi.pdfIn PDF document text
- http://lonotel.mygamesonline.org/viwerapekajo.pdfIn PDF document text
- http://nejevefivi.mypressonline.com/how_to_order_checks_by_mail.pdfIn PDF document text
- http://jerunuju.mypressonline.com/43322473284.pdfIn PDF document text
- http://fexabudobix.getenjoyment.net/32434059549.pdfIn PDF document text
- http://xisumagogali.getenjoyment.net/20618644543.pdfIn PDF document text
- https://xexafuru.weebly.com/uploads/1/3/1/0/131070851/574d64.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8964868a-aef6-4da0-9a9b-29de7c28e0c5.filesusr.com/ugd/b910ae_e9167cd9e58f474fbe4846f6f04e9886.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1757e749-32dc-4198-bf16-95d8045482d5/livro_metforas_da_vida_cotidiana_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c922d35-7a4b-4333-9cf9-4afeb83c3c34/bret_contreras_strong_curves_reviews.pdfIn PDF document text
- https://78f5967e-1348-44d0-b43d-4fba71d4c3e7.filesusr.com/ugd/a94f6a_ac884c2235c64358bba1d82c9aca24fe.pdf?index=trueIn PDF document text
- https://59b17237-83b3-47c6-9d40-f547da5b0434.filesusr.com/ugd/827194_1bf3cd00369e4107b56273a28308b85c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/810b6f2a-9385-435b-9954-799be452862b/65275720133.pdfIn PDF document text
- https://e0d0d77b-4c00-4265-bc22-f0cc5cf11ada.filesusr.com/ugd/957eb4_328b1f0f09314cabaecfd5e7a57ef7be.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b1478ee6-3fd6-45dd-806a-a15a5f37cdaf/39662057440.pdfIn PDF document text
- http://likewiwojuxus.atwebpages.com/cancionero_de_cuecas_para_guitarra.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_off0001104e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104E | 16844 bytes |
SHA-256: 454886c4c20cb59636e05aef1f687a5673e9cb5fd328755d64d625a8fbd1f2c1 |
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font_01_sfnt_off0001463b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1463B | 4692 bytes |
SHA-256: a850191a116243632a4754dd08fa965d1ec1b204410903f0550254c4b77c37b2 |
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font_02_sfnt_off00015636.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15636 | 12332 bytes |
SHA-256: b41ad2df8090fbfd82c53c61a251ea9e38f29def06d1837afc5dd561ffcb0587 |
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