MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm designed to redirect users to potentially harmful content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://drafthe.ru/uplcv?utm_term=convert+apk+to+pdf+online PDF link annotation
- https://lemarko.com/userfiles/file/17752171688.pdfIn PDF document text
- http://ageofwonders.buka.ru/sadm_files/24839535521.pdfIn PDF document text
- https://my-natural-style.net/upload/files/sevelogobosavevejuzozit.pdfIn PDF document text
- http://massimomoroni.it/userfiles/files/5823109473.pdfIn PDF document text
- http://budka39.ru/files/takasonuwetirabovopovazeg.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/sadivuvujelozosamuzi.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ae5b5240d---kudiromedugipafeni.pdfIn PDF document text
- https://safetypadlocks.eu/eurostyl/photos/file/94521260647.pdfIn PDF document text
- https://banerjeetourspecial.in/ckfinder/userfiles/files/zapesozofowizedip.pdfIn PDF document text
- http://defhjdrjioo.friend-match.com/upload/files/9609066377.pdfIn PDF document text
- https://abofahed.com/userfiles/file/98967644277.pdfIn PDF document text
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/69666163502.pdfIn PDF document text
- https://ever.dacola.com/upload/files/figopukivora.pdfIn PDF document text
- https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/rekemekeditov.pdfIn PDF document text
- https://gryf-wet.pl/ckfinder/userfiles/files/88971373673.pdfIn PDF document text
- https://projectmine.hu/ckfinder/userfiles/files/28852353066.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/95336259456.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16142ba345e07d---moven.pdfIn PDF document text
- https://agentcctv.com/userfiles/file/tobaroxefe.pdfIn PDF document text
- http://emiem.pl/public/upload/ckfinder/userfiles/files/vamuwid.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/vuraxulux.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/gerisebeg.pdfIn PDF document text
- https://tedesco.pl/userfiles/file/vipogikokelixebozebefinig.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_off0000d409.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD409 | 18092 bytes |
SHA-256: 3f4776ebf8db122e09dfda8dc03f540dab3f01ad8f8bb553b44697a5c44991e9 |
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font_01_sfnt_off0001037a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1037A | 10512 bytes |
SHA-256: 8f25fb3545492ae08706b85da719c20fd545236b07edc81eb16120c1fe95ba7d |
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font_02_sfnt_off00011b8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B8D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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