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 0.9998
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://mezovuduw.ru/strik?utm_term=ielts+writing+task+2+topics+academic+with+answers+pdf+2021 PDF link annotation
- https://mixifotosipepe.weebly.com/uploads/1/3/4/8/134875306/19213df812.pdfIn PDF document text
- https://beroloxubotuze.weebly.com/uploads/1/3/0/7/130775422/1eb1f09001803.pdfIn PDF document text
- https://fedubipogumuwu.weebly.com/uploads/1/3/1/3/131379546/1f1d0d67d86.pdfIn PDF document text
- https://vokavubibobudew.weebly.com/uploads/1/3/5/3/135316357/ludumimob.pdfIn PDF document text
- https://jufoximivovanad.weebly.com/uploads/1/3/4/0/134013024/kopapupojav.pdfIn PDF document text
- https://gadufekovofu.weebly.com/uploads/1/3/4/7/134764592/9285133.pdfIn PDF document text
- https://xefulexemifin.weebly.com/uploads/1/3/1/3/131398452/778c316bc318c2.pdfIn PDF document text
- https://winulovovitazu.weebly.com/uploads/1/3/0/7/130740324/92a37e225.pdfIn PDF document text
- https://siravexadobema.weebly.com/uploads/1/3/4/3/134320718/gefejulilenoperabeka.pdfIn PDF document text
- https://luboguti.weebly.com/uploads/1/3/0/7/130739177/pededilexijejozul.pdfIn PDF document text
- https://bojirutewum.weebly.com/uploads/1/3/4/6/134622564/9155247.pdfIn PDF document text
- https://bumilumijoxaxuv.weebly.com/uploads/1/3/4/4/134497753/1612376.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/9d3c0a86-0370-41bb-a1f1-2eb427ad161e/john_deere_tractor_mechanic_near_me.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53e384fa-bbef-4991-a7ca-e8236ace4a9e/67158935637.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9fcd5a27-12f8-428c-8b7a-ebae4e390706/19708529691.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5d85eddd-058b-4c5d-864f-fd822b8eb338/side_by_side_2_student_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/184b08dc-8fd7-4674-ab6c-7b8415bcde46/nopekitiwadalobolupewom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09f7e09e-d169-421e-af4c-80a2adbbc7f2/what_is_age_appropriate_clothing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f867f27c-90c8-447f-b262-812ac32f0654/lezafubowuvutum.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_off00010bd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD3 | 5988 bytes |
SHA-256: 3d7aa41d0dd71c95ec01a468846fa1d1ebbdd82d20e368614ed604f2cc879078 |
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font_01_sfnt_off00012024.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12024 | 10216 bytes |
SHA-256: aa36c763c85cf59101a27c7d3a5be213da15531e6de165a120d5cafb96f4ca47 |
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