Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea8590249099e03b…

MALICIOUS

PDF

60.9 KB Created: 2021-07-18 15:44:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: b10d33e3337ca5f79ed3babd7469fe23 SHA-1: e75eef78a2e93531cf6bf276f79ee6e0032dfe49 SHA-256: ea8590249099e03b371ac20fbbc5b78d18fa62f5a5443c60c83fc4cce9ee15cf
124 Risk Score

Malware Insights

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

The PDF file contains a link farm with numerous URLs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The file's purpose is to lure users to external, potentially malicious, content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3485

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://mvpartners.be/images/uploadedimages/file/zurutapudivowenajim.pdf In PDF document text
    • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/6929ea93ef488437514af76338812b8f/sinixunodinusiduf.pdfIn PDF document text
    • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608d67ca3ad2b---23311109015.pdfIn PDF document text
    • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9e8b21c17---sizegafavikamatomixob.pdfIn PDF document text
    • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/a4e6a435b41f5eaf726daab6eb7e2cc6/12363825285.pdfIn PDF document text
    • http://automotiveenergy.cz/userfiles/file/79435823668.pdfIn PDF document text
    • http://focostrade.com/files/20210618145224.pdfIn PDF document text
    • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c475f0ee88f---60006871968.pdfIn PDF document text
    • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/10ccf8d1ba34d1da6b352e202585517d/99184361467.pdfIn PDF document text
    • http://akicgiyim.com/userfiles/file/9800708385.pdfIn PDF document text
    • http://onlineexpert.in/userfiles/file/99372692905.pdfIn PDF document text
    • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ee5cff1357e---pubusogasozowurafupenedig.pdfIn PDF document text
    • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1298df11b---97129709113.pdfIn PDF document text
    • http://bellina.pl/userfiles/file/rifajepik.pdfIn PDF document text
    • http://anthonyvienna.com/sites/default/files/file/fovesosovezo.pdfIn PDF document text
    • http://primaneighbors.com/userimages/62357443695.pdfIn PDF document text
    • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/f565dde41d362148e0acd914a83f10d9/wimebixanasuwamezikudo.pdfIn PDF document text
    • https://playerpress.com/ckfinder/userfiles/files/91148791368.pdfIn PDF document text
    • http://metrocars.london/survey/userfiles/files/71787998223.pdfIn PDF document text
    • https://vansuloi.com/uploads/userfiles/file/xazowadi.pdfIn PDF document text
    • http://xn--42c1dhzaq5aeb.com/userfiles/files/nejezo.pdfIn PDF document text
    • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa607501f4---mutedevujazitafut.pdfIn PDF document text
    • http://primaneighbors.com/userimages/nevup.pdfIn PDF document text
    • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/ukgreho9oamfne60h8fm1jptv1/sofadarenixo.pdfIn PDF document text
    • http://longarmquiltacademy.com/fckeditor/userfiles/file/94838380326.pdfIn PDF document text
    • https://playerpress.com/ckfinder/userfiles/files/49587036965.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=one+punch+man+chapter+61PDF link annotation

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