MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external links pointing to other PDFs hosted on various domains, suggesting a link farm designed to obscure the ultimate destination or distribute further malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to spread malicious links across many domains. No scripts were extracted from this sample, but the overall structure points to a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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 http://autobedrijvenindex.nl/images/uploads/vavevulu.pdf In PDF document text
- https://atlantidegattico.it/file/19477744564.pdfIn PDF document text
- https://sunkamalzemecilik.com/userfiles/file/tikasanomojeda.pdfIn PDF document text
- https://anup.bo/images/files/dusawurimowabefafuz.pdfIn PDF document text
- http://robvancampen.nl/userfiles/file/5273990773.pdfIn PDF document text
- http://suphammamnon.org/uploads/files/74572663055.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/kirexujazudine.pdfIn PDF document text
- http://architettogherardi.eu/userfiles/files/68124931569.pdfIn PDF document text
- http://telecycling.org/files/file/5400150931.pdfIn PDF document text
- https://www.antoniopopolizio.it/ckfinder/userfiles/files/98179438026.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/22345630172.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b001370af---50582011943.pdfIn PDF document text
- https://almuhja.com/ckfinder/userfiles/files/vupanonebogitokisedu.pdfIn PDF document text
- http://erulingua.hu/uploads/content_files/files/vofasawalisufu.pdfIn PDF document text
- http://drivingschool-brno.eu/files/pezomigesiwixebipifitija.pdfIn PDF document text
- https://enkaotomatikkapi.com/depo/sayfaresim/file/76835536770.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/ponosexifuxirawi.pdfIn PDF document text
- http://tpt.taipei/asset/uploads/files/41463348302.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/ketejoxikenofunep.pdfIn PDF document text
- https://esofagopisa.it/userfiles/file/37002390665.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137744ab7f1f---rotoloxoripanepuvolu.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/89941226128.pdfIn PDF document text
- http://massiimo.com/piceditor/file/gafuvasuxutuxe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+know+others+wifi+password+in+mobilePDF 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_off0000df95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A7 | 18336 bytes |
SHA-256: daf0e822680c84ff40360385963ad34ee4b40eee4e018413a7162eeba39142c1 |
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font_02_sfnt_off000126f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126F2 | 11072 bytes |
SHA-256: 4dc8460be5ea11d68c8f2ff445b988fffbd89454721cf47f0062075b56042a97 |
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