MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by multiple heuristics, including ML classifiers and ClamAV, indicating malicious content. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The presence of embedded URLs and the nature of the heuristics point towards an attempt to trick users into downloading further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://queure.ru/uplcv?utm_term=apk+gta+5+download+gta+5+for+android PDF link annotation
- http://ana-jsc.com/upload/files/4996199815.pdfIn PDF document text
- https://pharma-tools.eu/galeria/file/45296039886.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/soropodewemoxepaj.pdfIn PDF document text
- http://elfast.ru/userfiles/file/77541695648.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6001bbf5b---93965433328.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/bitosuwakiguwefakirila.pdfIn PDF document text
- http://smflow.in/admin/uploads/file/37040843695.pdfIn PDF document text
- https://batdongsandothanh.vn/luutru/files/23633893721.pdfIn PDF document text
- http://debrecen.varosom.hu/userfiles/files/wulonetabevap.pdfIn PDF document text
- https://tempegaring.com/contents/files/42335084314.pdfIn PDF document text
- http://tonyprins.nl/images/uploads/file/31386552169.pdfIn PDF document text
- http://medeeatour.ro/mm/file/2266229761.pdfIn PDF document text
- https://zlatartopalovic.rs/files/vikezazifirimu.pdfIn PDF document text
- http://diegogenna.it/userfiles/files/petitawowebafurutuditamex.pdfIn PDF document text
- https://nutrishop.in/ci/userfiles/files/fovejamekemoxizakujorojo.pdfIn PDF document text
- http://ubestsports.com/imager/files/20210901200203.pdfIn PDF document text
- http://ever-pioneer.com/upload/files/mukavuzajozumejadere.pdfIn PDF document text
- http://serting.eu/userfiles/files/36254125979.pdfIn PDF document text
- https://tessuno.com/upload/files/613f208508979.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/jojumorexe.pdfIn PDF document text
- http://www.humillacionyestrella.org/ckfinder/userfiles/files/nenelibejobejerazoxekit.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210914093346.pdfIn PDF document text
- http://www.bargiel.com.pl/ckfinder/userfiles/files/livobolopotaleletajodikud.pdfIn PDF document text
- http://hyundaidongdo3s.com/images/files/86503705806.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_off0000be3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE3C | 10664 bytes |
SHA-256: bd6c6c2638337f1e32c4bc9648da1d1fed47d863311a74f544c63b29587e2edd |
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font_01_sfnt_off0000d6b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC3 | 20648 bytes |
SHA-256: 37a16b9c9ac236a9d711a4d3d4dfda280f6a966a867ea37255b1a2153f17314c |
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