MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to suspicious domains and are part of a link farm, as indicated by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the nature of the URLs and the heuristic firings point towards a phishing or malware distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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://hippodrome-compiegne.fr/www/uploads/file/tedodapepuxisebegoli.pdf In PDF document text
- http://hit-air.pro/ckfinder/userfiles/files/zejegixanezex.pdfIn PDF document text
- http://domosplast.hu/files/file/badoxajiz.pdfIn PDF document text
- http://locke-3c.tw/uploads/files/202109112116575459.pdfIn PDF document text
- https://bishopsalamatkhokhar.org/userfiles/file/zawusewumisejofapejafak.pdfIn PDF document text
- http://wdnederland.nl/file/53640169030.pdfIn PDF document text
- https://mudraconsultancy.com/uploads/files/72833795434.pdfIn PDF document text
- https://solucionaesp.com/ckfinder/userfiles/files/waxaguzuruwusarimusav.pdfIn PDF document text
- http://metalzilembo.it/userfiles/files/pasaw.pdfIn PDF document text
- http://contelex.it/userfiles/files/32914913197.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/68829156107.pdfIn PDF document text
- https://detmers-kontejner.hr/files/34282080798.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/sufubisisuzilodiki.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/kjltbl0emkpmu6pbgaevua0dv4/luras.pdfIn PDF document text
- http://thecuriosityshot.com/molej.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/72704097356.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/21941623125.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/gewiseduvozegojija.pdfIn PDF document text
- http://neoneofitou.com/ckfinder/userfiles/files/guwewop.pdfIn PDF document text
- http://pasted-radio.de/web/files/dapojiwazud.pdfIn PDF document text
- https://serihosting.com/calisma2/files/uploads/21268032021.pdfIn PDF document text
- https://jgranit.pl/userfiles/file/53011953269.pdfIn PDF document text
- http://cdwy028.com/uploadfile/file/20210913144654.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/21698493212.pdfIn PDF document text
- https://nangluongvada.com/uploads/files/81877381195.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/3206c88c57b6e2d5ae3e41bcad7301c1/34853805763.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=romantic+words+that+start+with+oPDF 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_off0000cb6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB6D | 10588 bytes |
SHA-256: f721a44ddb8ff565ee46ae4b159314d662579164e2e7a066c16dc1c957a8c40f |
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font_01_sfnt_off0000e37f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE37F | 17664 bytes |
SHA-256: 6d840d2cb4a68c73ecc58b1acbb6a562813a517c90ccab5c3056e309b2c01e65 |
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font_02_sfnt_off000110b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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