Malicious PDF — malware analysis report

Static analysis result for SHA-256 d32b1f94af8ac4a6…

MALICIOUS

PDF

66.5 KB Created: 2021-07-13 02:31:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 11000c8a6fe164fc5c86fc9c62e0a5fe SHA-1: c121692d4498a10fa70bf6f66b3dd112945547fd SHA-256: d32b1f94af8ac4a694aee541dce59c847d97bddc72045feb16c5553247368d89
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV and exhibits characteristics of a phishing campaign. It contains a link farm pointing to multiple compromised WordPress sites, likely intended to host and distribute further malicious content. The presence of embedded URLs and the nature of the heuristics suggest an attempt to trick users into downloading payloads, aligning with spearphishing tactics.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4986

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://irlanc.ru/uplcv?utm_term=eat+that+frog+ppt PDF link annotation
    • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/5067308b3c785314d33e0db185d39db7/panononizanojokawugi.pdfIn PDF document text
    • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1cf9bb9e75---jasagadesekajedilow.pdfIn PDF document text
    • https://skvacations.com/userfiles/file/6257073355.pdfIn PDF document text
    • http://activesolutionelectric.com/images/file/98391988134.pdfIn PDF document text
    • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/a4ae847148c42b0410517e84c31efa3e/mijote.pdfIn PDF document text
    • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c443ed68cba---63019006297.pdfIn PDF document text
    • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/5c275bc8b56dfe086484e25e725f7950/18826592224.pdfIn PDF document text
    • http://petukmahaaaraj.com/userfiles/file/24466540006.pdfIn PDF document text
    • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e13a1ef57---23733265796.pdfIn PDF document text
    • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/4a6ecfcbdd0d31d03400598388078566/94126488378.pdfIn PDF document text
    • https://agroadvanced.com/app/webroot/newsletters/editor/files/mokoderamigako.pdfIn PDF document text
    • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0ebab14da---6555491295.pdfIn PDF document text
    • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16094b641ee88e---90471883169.pdfIn PDF document text
    • https://sinhadventure.com/uploads/file/salarubozijejebukigudako.pdfIn PDF document text
    • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e32da752f87---93556176738.pdfIn PDF document text
    • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2f860fcee272359483b77387bf7f5093/lelar.pdfIn PDF document text
    • http://capitalclassof1971.com/clients/4/4c/4c1e4f015ba9b8bec237dc1ca705466d/File/kajijepaxokap.pdfIn PDF document text
    • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cb0964700a0---tizavabifefepojuloja.pdfIn PDF document text
    • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/6d2a468d18d7a21f808e3b2ad70fead3/49393976657.pdfIn PDF document text
    • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/c3b8dbb0839cc6cc6651204f70545f1c/toparibewitaduvuz.pdfIn PDF document text
    • https://auto-rujo.com/images-editor/file/meguwe.pdfIn PDF document text
    • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fcf8338a8---sewoguxoseleniwap.pdfIn PDF document text
    • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/lkoj2evhas9hrb2h36j8ocmbud/terilawu.pdfIn PDF document text
    • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecdffa68aa---41785291076.pdfIn PDF document text

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