MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to potentially disposable domains, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further obscuring its true intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/nitezaduzojorofew.pdf In PDF document text
- http://taigesw.com/upload/files/jemuxamiwerupatazer.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614030969cc41---wezoxij.pdfIn PDF document text
- https://foundlight.ca/home/foun6192/public_html/files/custom_files/file/ronamozosabaru.pdfIn PDF document text
- http://rsport.eu/yonexshop/static/file/81617481704.pdfIn PDF document text
- https://sharks-cz.cz/images/file/pazudabexebirejotirun.pdfIn PDF document text
- http://saothienemb.com/uploads/images/files/solonevuguligazelanurip.pdfIn PDF document text
- http://hstechno.com/userData/ebizro_board/file/ririfilope.pdfIn PDF document text
- https://samsungklimalar.com/upload/ckfinder/files/duzenevejokibe.pdfIn PDF document text
- http://www.lircai.com/web/inline/file/8056394691.pdfIn PDF document text
- http://comp-art.ru/userfiles/file/bazote.pdfIn PDF document text
- http://sgrdpandher.com/userfiles/file/didowux.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021091318253070554.pdfIn PDF document text
- http://honyi.tw/ckfinder/userfiles/file/disexokawobezadalo.pdfIn PDF document text
- http://delfosventures.com/userfiles/files/33976808006.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/53690338435.pdfIn PDF document text
- http://kleiberit.ru/files/file/49435229723.pdfIn PDF document text
- https://stl-log.com/htdocs/cljr/data/files/79052595741.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/85536953929.pdfIn PDF document text
- http://fsnmmaterials.com/UPFILE/userfiles/files/gagefipotemapi.pdfIn PDF document text
- https://vnmmalta.com/userfiles/file/96951107914.pdfIn PDF document text
- https://sofahatinh.com/upload/files/15777480088.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16147c58bb586a---pimano.pdfIn PDF document text
- https://triosms.com/userfiles/file/61347613519.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=simple+mp3+downloader+proPDF link annotation
- 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_off0000b25c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB25C | 15604 bytes |
SHA-256: 591b12dc1b9af8d57bbc9f0c9028570335e9fad857268260eb41eb18b6558991 |
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font_01_sfnt_off0000d9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D7 | 10620 bytes |
SHA-256: d30ae5073cde8ee65d8091218a745d775a9969b13469cc29cb97ccf34c7000e3 |
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font_02_sfnt_off0000f216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF216 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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