MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier, indicating a phishing or malware distribution attempt. It functions as a link farm, presenting numerous external PDF links, many hosted on disposable domains, to potentially trick users into downloading further malicious content. The presence of a 'download' button lure reinforces this deceptive tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pistant.ru/pbw?utm_term=arrl+handbook+pdf+download PDF link annotation
- https://bojufare.weebly.com/uploads/1/3/1/0/131070992/202145.pdfIn PDF document text
- https://sufojise.weebly.com/uploads/1/3/0/7/130739234/8828182.pdfIn PDF document text
- https://domemasajexal.weebly.com/uploads/1/3/5/3/135304114/3078420.pdfIn PDF document text
- https://belifexemanugo.weebly.com/uploads/1/3/6/0/136051541/2486725.pdfIn PDF document text
- https://tuzuviletug.weebly.com/uploads/1/3/4/6/134680759/85fbd2.pdfIn PDF document text
- https://sixapinipuso.weebly.com/uploads/1/3/1/3/131384402/govakurizape-wulubaxuwudusef-jamonemix.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386084/normal_5fda46f5dd8e3.pdfIn PDF document text
- https://memarexegota.weebly.com/uploads/1/3/4/3/134366516/gojarejoxin-penugarabomagi-sikenekaxesu.pdfIn PDF document text
- https://biwazasidatuf.weebly.com/uploads/1/3/4/3/134373857/metuwuroton.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500183/normal_601243b989905.pdfIn PDF document text
- https://vubisurajoguv.weebly.com/uploads/1/3/4/2/134265568/1801376.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445882/normal_5fff96e3a14fe.pdfIn PDF document text
- https://pusoguxararafog.weebly.com/uploads/1/3/4/5/134593470/fb098ec.pdfIn PDF document text
- https://fazodokivev.weebly.com/uploads/1/3/4/0/134018208/1935640.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/b53245b0-d96b-4505-833d-5dcf4afda115/52115410861.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8814649f-7ecb-4882-baae-d8b4c4e191db/asp.net_mvc_5_dependency_injection_unity.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c25aea5-e73e-4e0a-86dd-7f777ca572f4/dazijuto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/833a93dc-c72a-48e1-a27d-abd4cfa19646/76190820473.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0929c75f-4d49-44e7-8374-735c9015babc/dugoxijikexato.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_off0000da08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA08 | 5236 bytes |
SHA-256: 044cf45162e7edf117331f6fa05b4f9018ddb6c48df713a6f0553ed50a192499 |
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font_01_sfnt_off0000ebdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBDD | 10576 bytes |
SHA-256: f3badc04973cdb7f5b4decd5bd54f0a8715763c62846dca19c4b55f2650a917c |
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