Malicious PDF — malware analysis report

Static analysis result for SHA-256 001622a17978ea52…

MALICIOUS

PDF

64.0 KB Created: 2021-09-18 14:04:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-31
MD5: 6568de9f09f11471804e0cd5cb98a673 SHA-1: b1117f6acc822377a14cd4bb5e238331ac43f730 SHA-256: 001622a17978ea522958a25fdf5d4eb7277931312296a0e387304755504fa74e
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript and a large number of external URIs, many of which point to disposable domains and are part of a link farm. This suggests the document is designed to redirect users to malicious content or phishing sites. The ClamAV detection as Pdf.Phishing.Trojan further supports a malicious intent.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3846

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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 http://fapannimario.it/userfiles/files/36420725279.pdf In PDF document text
    • https://etravelbox.com/scgtest/team-explore/uploads/files/30464177660.pdfIn PDF document text
    • http://chiron-ventures.com/chiron/home/img/upload/files/210906023147578839o6a75.pdfIn PDF document text
    • http://capitaloffice.pl/fotki/file/nititi.pdfIn PDF document text
    • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16145b82e4194a---47707520232.pdfIn PDF document text
    • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/ngcvh2d6ir7cuf9p2jckpkl89o/70650436504.pdfIn PDF document text
    • http://shop-exclusive.cz/userfiles/file/pamatawadujirasabobepiguk.pdfIn PDF document text
    • https://nazragame.com/calisma2/files/uploads/ruxabogumifik.pdfIn PDF document text
    • http://patroha.hu/file/46675283133.pdfIn PDF document text
    • http://glovimex.com/uploads/ckfinder/files/40904053463.pdfIn PDF document text
    • http://casier-a-bouteilles.com/file/bebokaridew.pdfIn PDF document text
    • https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/vikoxuvevas.pdfIn PDF document text
    • http://ssaisarang.com/ckfinder/userfiles/files/wetopapavikevawotalat.pdfIn PDF document text
    • https://gencatakan.com/upload/file/mokeratopuvol.pdfIn PDF document text
    • http://phuocthuan.vn/images/pic/file/rokuvav.pdfIn PDF document text
    • http://lumieye.com/userData/ebizro_board/file/sedixipagaw.pdfIn PDF document text
    • https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/86972797347.pdfIn PDF document text
    • http://tsutae-f.com/js/upload/files/38577147218.pdfIn PDF document text
    • http://tubelessons.net/cms_images/file/80687348468.pdfIn PDF document text
    • http://qiuyutv.com/userfiles/files/20210910102811.pdfIn PDF document text
    • http://richardchong.com/userfiles/files/xuzisalolexunijawulupumiw.pdfIn PDF document text
    • https://justforjetscatering.com/userfiles/image/files/veduv.pdfIn PDF document text
    • http://giustizianuova.it/userfiles/file/4359424657.pdfIn PDF document text
    • https://abofahed.com/userfiles/file/nifuxima.pdfIn PDF document text
    • http://osteriadelcampanile.com/userfiles/files/10270518053.pdfIn PDF document text
    • http://apsara.ru/userfiles/file/voxod.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=watch+latest+tamil+movies+for+freePDF link annotation

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