MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URLs, many of which point to suspicious PDF files, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for SEO-based lures, likely to trick users into downloading malicious content or visiting phishing sites.
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 http://htwy.com/upload/file/gugixenekuzeloriwevav.pdf In PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/vopiviresar.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/pafufujedorewatepanum.pdfIn PDF document text
- https://goodmix-psc.com/userfiles/files/69992541256.pdfIn PDF document text
- https://ms1oke.com/contents/files/bogasuvujatixavo.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b34f4b7d0e---63260945928.pdfIn PDF document text
- http://123podkrovie.sk/editor_uploads/files/pefepup.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/80715005078.pdfIn PDF document text
- http://speckrepej.com/upload/file/maxapu.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20210915175746.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/21446641955.pdfIn PDF document text
- https://mandarinusa.com/userfiles/file/1631487201.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109071956326354.pdfIn PDF document text
- https://photopoligrafic.ru/ckfinder/userfiles/files/2069216372.pdfIn PDF document text
- http://vitalenzyme.com/uploads/fckupload/file/bizorakuxebubogemimepetej.pdfIn PDF document text
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/19284208713.pdfIn PDF document text
- https://grootformaatspandoeken.nl/userfiles/file/73232727471.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141c997a2dd1---77625710352.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/1110470006.pdfIn PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210911223542.pdfIn PDF document text
- https://takitech.hu/userfiles/file/fexunumon.pdfIn PDF document text
- http://chinawin-consult.com/userfiles/34922289659.pdfIn PDF document text
- https://ww150002.linebot.net/upfile/files/20210902052217.pdfIn PDF document text
- http://pytextiles.com/userfiles/file/69403137309.pdfIn PDF document text
- http://ciarajewellery.com/editor_upload/file/vedunolir.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=pdf+printer+programPDF 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_off0000d49e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD49E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB0 | 19848 bytes |
SHA-256: 37c4761a96573241db2b6a1ac1edbe5be4946d5583433dc33b79b0903126e18c |
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font_02_sfnt_off000120d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D2 | 10628 bytes |
SHA-256: 1e4ed3ad022fbfd316defcd3a43b8918c7fe9e6fa9cb72733581099fc3918582 |
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