Malicious PDF — malware analysis report

Static analysis result for SHA-256 be491ae656e79640…

MALICIOUS

PDF

78.1 KB Created: 2021-09-04 14:26:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: d2c5c798e3fc72cd557fea390f980057 SHA-1: decdf6a61f55098d2aa5a3d703259b9c5d53c408 SHA-256: be491ae656e796401709c988198285aeabd3e12e90352eb77da1fa50c6720fdf
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous links pointing to compromised WordPress sites and other domains, indicating a link farm designed to lure users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5394

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
  • 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 http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/fce0181431cb5497c61c0b1c2aca90ff/79138885827.pdf
    • https://redac.ch/upload/57142670788.pdf
    • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f425f0a43d---34227130641.pdf
    • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edd0f14fcca---80162270779.pdf
    • http://reicar.dk/userfiles/file/34240756100.pdf
    • http://soluzionebenessere.eu/userfiles/files/88159553982.pdf
    • http://geometracosentino.com/userfiles/files/xekikajogonemadogagikapo.pdf
    • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/92309fbb1c27cf9883100d25520f9af4/zowegi.pdf
    • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/c61779d09e8dbeefda22bdb85a35469b/suxagebebo.pdf
    • http://naphogacomposite.com/upload/files/vinetuzisibumufosenibosu.pdf
    • http://old.bgk-meshkova.com/ckeditor/ckfinder/userfiles/files/jimuxifexasivamagukon.pdf
    • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2ead042fe---jojezatezi.pdf
    • https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/f0f9dbf9ecf1c01d3db7048500b24e19/jovosogenisuwedixefilujop.pdf
    • https://nestaerospace.com/uploads/file/vusonutevutisimiwubedir.pdf
    • https://www.milestonesmn.org/ckfinder/userfiles/files/19399117308.pdf
    • http://locthanhwindow.com/img_duhoc/files/25596694254.pdf
    • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/9e3suiqd6dmqdeinf8gqashccs/sekikunaripodemaforopeme.pdf
    • https://www.leasing.net.in/ckfinder/userfiles/files/40746685649.pdf
    • http://tubesealer.com/uploaded/file/10548407336122aa5dedd32.pdf
    • http://2sisaccount.com/userfiles/files/nowos.pdf
    • https://volandovia.it/public/fileeditor/file/21961799325.pdf
    • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071b27f0bafa---31757888566.pdf
    • http://paillasse.hu/userfiles/file/96924080748.pdf
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=role+of+project+manager+pdf

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