Malicious PDF — malware analysis report

Static analysis result for SHA-256 38edd704b09f4642…

MALICIOUS

PDF

51.2 KB Created: 2021-09-04 08:29:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-29
MD5: 08c19c0538edc141422a2e76c8e16284 SHA-1: 02d0ce012095e3b753bbf866a8eae20e3e78b1cd SHA-256: 38edd704b09f464286246ff062c030fe2ac8d7c334de0f02adbe83dcde55a22d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised websites and disposable hosting, suggesting a phishing or malware distribution attempt. The embedded URLs likely serve as lures to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6796

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One 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://pixomot.ru/uplcv?utm_term=biotecnologia+en+la+salud+humana+pdf PDF link annotation
    • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/e83f08d72c75bb3b2d7981533fd036c0/58564265712.pdfIn PDF document text
    • http://bsp-oblspl.org/ckfinder/userfiles/files/fujafizemesipitulim.pdfIn PDF document text
    • http://www.peretprod.ro/content-images/file/57118273127.pdfIn PDF document text
    • http://veiligheidssloten.nl/ckfinder/userfiles/files/12184718634.pdfIn PDF document text
    • http://maginsaatmetal.com/resimlerfiles/54725430809.pdfIn PDF document text
    • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0bc62cbed---burerijujiminozanubuw.pdfIn PDF document text
    • http://thebeautyofdesign.nl/ckfinder/userfiles/files/22875704271.pdfIn PDF document text
    • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/62437b394fc5c1d0a34be72ac9b85594/dibivivitepigaditunubesem.pdfIn PDF document text
    • http://slhs1958.com/clients/18590/File/48698815823.pdfIn PDF document text
    • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f9413ec8d---likikurasumovosu.pdfIn PDF document text
    • https://mirrorlink.com/public/files/files/bojomijufudimawesijiser.pdfIn PDF document text
    • https://balustrady-metalik.pl/files/40031317458.pdfIn PDF document text
    • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f89a96f15---35821981913.pdfIn PDF document text
    • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/lifgvkgurd5p2jf1vci6rt2g72/pukaxelupusene.pdfIn PDF document text
    • https://cavalier-king-charles-spaniel.ch/userfiles/file/99747731003.pdfIn PDF document text
    • http://fouladsazanco.com/Upload/file/rajuwokimoxotoxulixop.pdfIn PDF document text
    • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed5d78ed15---somipagetena.pdfIn PDF document text
    • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16082585da7424---suzupese.pdfIn PDF document text
    • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/375ab8cdd05b497d93e85e3846b5e50d/zitosix.pdfIn PDF document text
    • https://jackyrouxmethode.com/userfiles/file/kupawuzif.pdfIn PDF document text
    • http://kjphotocon.org/data/userfiles/files/14438606774.pdfIn PDF document text
    • https://12shio1.com/contents//files/sipipujopijowa.pdfIn PDF document text
    • http://schmetterlingsgaerten.de/file/24070933873.pdfIn PDF document text
    • http://ceraunavoltapizzeria.it/userfiles/files/61524096943.pdfIn PDF document text

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