MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, with multiple heuristics indicating it is a link farm on disposable hosting. The PDF contains numerous embedded URLs pointing to various domains, suggesting a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate malicious intent through external URL redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
Heuristics 5
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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 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://coretry.ru/uplcv?utm_term=praise+him+while+you+can PDF link annotation
- http://atreve.eu/ubezpiecz/obrazy/file/tigiziwiba.pdfIn PDF document text
- http://serenetour.com/image/upload/File/95843194430.pdfIn PDF document text
- https://afayl.com/userfiles/file/vamopuwo.pdfIn PDF document text
- https://ijestr.com/ckfinder/userfiles/files/76600533223.pdfIn PDF document text
- http://lexprikson.com/admin/style/images/userfiles/file/30518936078.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/3927692914.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/lawexebelatuzopow.pdfIn PDF document text
- https://tradingcall.in/ckfinder/userfiles/files/jifodafiwizofexigojunuvu.pdfIn PDF document text
- https://777mto.org/contents/files/netor.pdfIn PDF document text
- http://danchrisjewelry.com/userfiles/file/59785689617.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/73322520344.pdfIn PDF document text
- http://vibratingsieve.com/d/files/79498807021.pdfIn PDF document text
- https://maisonforville.be/documents/file/55153477472.pdfIn PDF document text
- https://cottingham-group.com/cufiles/files/xagezagusavaj.pdfIn PDF document text
- http://fongyoskert.hu/userfiles/files/rilemejosurunonevodomu.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/xalixazotokezimojek.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16160b2abef7e6---paxanigobalerufoximo.pdfIn PDF document text
- http://xn--80aafbjcazdrhzgiddbbcsg4l.xn--p1ai/pict/file/xorefejowenevisokaxoti.pdfIn PDF document text
- http://debnine.net/UserFiles/File/77696818081.pdfIn PDF document text
- http://www.umadai.com/ckfinder/userfiles/files/75607982048.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/32443026321.pdfIn PDF document text
- http://hiddengemsbookstore.com/userfiles/file/rokewipukakegotadaxolum.pdfIn PDF document text
- http://reafamily.lt/ckfinder/userfiles/files/40456912667.pdfIn PDF document text
- http://uitetenindex.nl/images/uploads/52809548348.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0002362d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2362D | 10696 bytes |
SHA-256: 1f2cd90a3066fcb66915d9b4181fcb26258410e8fb644cab6a96cf00c5cb3ed7 |
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font_01_sfnt_off00024e93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24E93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000266a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x266A5 | 25944 bytes |
SHA-256: cf8af359a036270e9edcd6bc7d0d13f20307d699b8cab064520f3c0ce162a394 |
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