MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URIs, many hosted on disposable domains and configured as a link farm, strongly suggests a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 5
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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 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://irlanc.ru/uplcv?utm_term=how+to+check+mobile+phone+hacked+or+not PDF link annotation
- http://sibstroiexp.ru/userfiles/file/44467694614.pdfIn PDF document text
- http://izmirtavla.com/upload/file/benek.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613e1e4258ddc---mevasapiz.pdfIn PDF document text
- https://valergences.fr/userfiles/file/davojikefibepigovexumejud.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/3741027762.pdfIn PDF document text
- https://kop-trans.pl/uploads/userfiles/files/kaladaxunubezim.pdfIn PDF document text
- http://study4student.com/cache/fck_files/file/dotaw.pdfIn PDF document text
- http://maasmartcity.com/userfiles/file/67933886272.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/47306633130.pdfIn PDF document text
- http://coumert.com/images/file/83728597220.pdfIn PDF document text
- http://www.superior-inkjet.com/login/ckfinder/userfiles/files/moluzigezimutoxo.pdfIn PDF document text
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/15205639996.pdfIn PDF document text
- https://jakspravnenapsa.cz/userfiles/file/57577085101.pdfIn PDF document text
- https://eksiliotomotiv.com/upload/ckfinder/files/niputilalasiwon.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/310279023.pdfIn PDF document text
- http://telecycling.org/files/file/66874379249.pdfIn PDF document text
- http://luijkzonwering.nl/image/file/jojid.pdfIn PDF document text
- http://tangiahoang.com/skinkorea/Images_upload/files/wumuvifoverurep.pdfIn PDF document text
- http://maremio.ru/admin/ckfinder/userfiles/files/misumuve.pdfIn PDF document text
- https://equalland.com/uploads/File/26118427936.pdfIn PDF document text
- https://architektor.ru/uploads/file/43768628242.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/pigekirikerivolomoxoxam.pdfIn PDF document text
- http://radis-rrl.ru/userfiles/image/rikagoleluronanax.pdfIn PDF document text
- http://greddy.com/admin/common/ckfinder/userfiles/File/kajizufagururolozipufuk.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_off0000f3d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D2 | 10920 bytes |
SHA-256: 3daf09a0495fb635c92882dbac0672d3abb0ad99961d4824c794c8e482dbb60f |
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font_01_sfnt_off00010ca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000124b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124B7 | 18752 bytes |
SHA-256: cc2f04c8264565b4ed6a886a6fd887fd14b8e1db3a2b1804eaaa67a8c8e13b3a |
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