MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing a large number of external links, many pointing to disposable domains, which is indicative of a link farm or SEO manipulation tactic. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of external URIs and the overall structure suggest it's part of a larger malicious infrastructure, potentially used to distribute further payloads or engage in phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://dugedepap.ru/strik?utm_term=the+red+umbrella+chapter+2+summary PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409796/normal_602bf677e1353.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387571/normal_60365ceb2bbbd.pdfIn PDF document text
- https://diwekivoveludu.weebly.com/uploads/1/3/5/3/135313391/6069012.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416932/normal_6019d24e296f7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465701/normal_605a7e1e10a90.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404738/normal_5fef0c79cb6ea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446635/normal_601b206fe375d.pdfIn PDF document text
- https://kudixofob.weebly.com/uploads/1/3/4/8/134891239/numiganurefefe.pdfIn PDF document text
- https://jetasiduneka.weebly.com/uploads/1/3/4/5/134586997/nupexasupurama_wafafogugofo_kopex_dipuril.pdfIn PDF document text
- https://lesidodulutenem.weebly.com/uploads/1/3/4/3/134352412/4803968.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473926/normal_60053d1730266.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384308/normal_602c1c06ab454.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482619/normal_6028b25f479b7.pdfIn PDF document text
- https://milonotupilo.weebly.com/uploads/1/3/5/3/135347339/6248219.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410191/normal_60152f4fcc504.pdfIn PDF document text
- https://xapabareduvan.weebly.com/uploads/1/3/4/3/134395213/sevij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450430/normal_600d6e5296dbb.pdfIn PDF document text
- https://rujogapojepon.weebly.com/uploads/1/3/4/5/134597846/6048739.pdfIn PDF document text
- https://rimosuvifakub.weebly.com/uploads/1/3/4/3/134310068/napasuwibirole.pdfIn PDF document text
- https://padipemoton.weebly.com/uploads/1/3/0/7/130739419/1920350.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/64eb92e2-b3bc-42bf-8822-2b7f54c96c1b/38259991830.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ec6ee138-4d8b-4e53-afd7-0fad059f26c3/88295053010.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4a57fb4d-05ef-4d01-bd6c-cbbe1708aebb/business_plan_template_word_document.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3515314-344e-4b78-9b1f-15d33f0851d9/29460498467.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_off00013184.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13184 | 5636 bytes |
SHA-256: 9a37a85acb5e722d6cd709604fa48198a3345dde760ab1af31d5d57843d44476 |
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font_01_sfnt_off0001447f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1447F | 11988 bytes |
SHA-256: 8236943638e333f6b76439697c60faf5880daf98bc112d65ed3c6629bfab109a |
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