MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URLs, such as 'https://vilenefex.ru/strik?utm_term=upright+citizens+brigade+comedy+improvisation+manual+reddit', are likely used to redirect users to malicious sites for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=upright+citizens+brigade+comedy+improvisation+manual+reddit PDF link annotation
- https://tusutaxuwipafu.weebly.com/uploads/1/3/4/4/134403355/375b1a6.pdfIn PDF document text
- https://fabupegux.weebly.com/uploads/1/3/4/6/134689396/fesajojobalikew-kobasigegumiw.pdfIn PDF document text
- https://xovokemopozok.weebly.com/uploads/1/3/4/5/134579322/mapigovedig.pdfIn PDF document text
- https://ruzamoga.weebly.com/uploads/1/3/4/7/134761687/8727253.pdfIn PDF document text
- https://megogira.weebly.com/uploads/1/3/4/5/134590171/lujigafitebevafub.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373509/normal_600d94937422e.pdfIn PDF document text
- https://nenomoxemobare.weebly.com/uploads/1/3/6/0/136010140/98f6f7b172e75c.pdfIn PDF document text
- https://fitovaturi.weebly.com/uploads/1/3/4/3/134371738/db913b08ab28a1.pdfIn PDF document text
- https://taleputara.weebly.com/uploads/1/3/4/3/134305900/wamuwebaguxo.pdfIn PDF document text
- https://mukeremu.weebly.com/uploads/1/3/4/3/134316251/desapulame.pdfIn PDF document text
- https://gujinaberukigav.weebly.com/uploads/1/3/1/8/131856979/lebuvotuv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390383/normal_600d2589e1ec4.pdfIn PDF document text
- https://nudaduxovusupin.weebly.com/uploads/1/3/4/3/134337963/buneguvipa.pdfIn PDF document text
- https://daxeteven.weebly.com/uploads/1/3/2/8/132814811/1817474.pdfIn PDF document text
- https://nijifepobolo.weebly.com/uploads/1/3/5/3/135316947/retuzimafarududixa.pdfIn PDF document text
- https://risebezisenozo.weebly.com/uploads/1/3/4/3/134375164/e6a017979c74.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369486/normal_5fc9175412b95.pdfIn PDF document text
- https://bopunesarikimar.weebly.com/uploads/1/3/1/4/131453984/1c79c84f24b.pdfIn PDF document text
- https://dibatavuxod.weebly.com/uploads/1/3/0/7/130775672/5359718.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/07f006f8-2403-46c0-92aa-3d8ceba7793a/estructura_de_textos_expositivos_ejemplos.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b12a68a6-025b-4521-9299-518b38d735b9/how_to_control_surface_water_pollution.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010273.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10273 | 5832 bytes |
SHA-256: c18c6914a5b0ee51b9a362684a26a09b58d5eb0a6f42a2cef105c9fe192796ff |
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font_01_sfnt_off00011634.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11634 | 10704 bytes |
SHA-256: 24a5936671d8fe79f93c912410041ab138889b3d95d8c071f9f21226e7ecd1c5 |
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