Malicious PDF — malware analysis report

Static analysis result for SHA-256 e08f259db990917b…

MALICIOUS

PDF

50.2 KB Created: 2021-06-18 09:46:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3b214785d83efbe5d0d9b3cb8e05aa89 SHA-1: 18de646b9c01fc4f60609bc599fda98694cd7648 SHA-256: e08f259db990917bd02a0342fa67a8d75ec61fb5150295ddc373e3169540d45d
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 numerous links to external websites, many hosted on compromised WordPress sites, suggesting a link farm or phishing campaign. The document body, though heavily obfuscated, appears to be a lure related to 'easy landscape drawing with pencil', likely intended to trick users into visiting malicious URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7360

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://garglob.ru/uplcv?utm_term=easy+landscape+drawing+with+pencil PDF link annotation
    • http://a-kamen.com/userfiles/file/56885189135.pdfIn PDF document text
    • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607983f740c1a---tebusibedotezuvakenosugum.pdfIn PDF document text
    • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/b4efc1c31310b588b79d91ce33d5bfaf/vusadezudiwexedijupu.pdfIn PDF document text
    • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160abc9823627d---50704474179.pdfIn PDF document text
    • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160b071c7d5224---98362892700.pdfIn PDF document text
    • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0b45ce434---30362034041.pdfIn PDF document text
    • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/10dc0b49790af465492772ad142988d1/5121306171.pdfIn PDF document text
    • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/n609tglqpqf6ckejfjqmh23511/76617068752.pdfIn PDF document text
    • http://immobilieninvestors.eu/userfiles/file/bubibobujebepamowexika.pdfIn PDF document text
    • https://triangle-electronics.com/assets/userfiles/file/mumonag.pdfIn PDF document text
    • http://4seasonstours.in/userfiles/file/74197842816.pdfIn PDF document text
    • http://aliceinformaticasrl.com/user/pages/tefebowusazupitesovomewif.pdfIn PDF document text
    • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b756f3b55---33314173009.pdfIn PDF document text
    • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c9060368a---86087941390.pdfIn PDF document text
    • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/7d0a0c3eeb55bbf86e761db1d8e7e4b8/witafagilavinifasa.pdfIn PDF document text
    • http://yesilderecine.com/admin/editor_resim/file/32192802686.pdfIn PDF document text
    • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/83068978543.pdfIn PDF document text
    • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/def0dd77b230105910de5b870d4d8bde/15442597946.pdfIn PDF document text

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