Malicious PDF — malware analysis report

Static analysis result for SHA-256 e209e2fcdf4ab5d3…

MALICIOUS

PDF

106.8 KB Created: 2021-07-21 10:02:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 1507b40eae28a856946fe054412e0bdd SHA-1: c457ce6d9608c882f84c9ddc0b89de1ff446bfd8 SHA-256: e209e2fcdf4ab5d35e3510c997e7a632a8eeaf265ee794653c7101d929f8ada3
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links pointing to compromised WordPress sites, suggesting an attempt to host malicious files or redirect users to phishing pages. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and link farm behavior are consistent with phishing and malware distribution tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7888

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 http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ef67ddbae---xetuxuxaxizowafevatasatu.pdf In PDF document text
    • http://szpital-sulecin.pl/images/fckfiles/file/fatepedisinobezu.pdfIn PDF document text
    • http://plncse.hu/php_data/file/gatigozafelob.pdfIn PDF document text
    • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2f3276077---galironorubibiniwe.pdfIn PDF document text
    • http://mousike.it/img_ins/files/37362515010.pdfIn PDF document text
    • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae764d03b4---9053925883.pdfIn PDF document text
    • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16086003e27f3f---17734288595.pdfIn PDF document text
    • http://sam-global.ch/files/file/lamovikifopuro.pdfIn PDF document text
    • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/dua01v3ii627mp7mmosa81v9d7/kexibala.pdfIn PDF document text
    • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/3cabc09d13c68d3c3367e76edd0a1aa9/97375425343.pdfIn PDF document text
    • https://angel-juicer.com/FileData/ckfinder/files/20210606_8DAB27AED67630F2.pdfIn PDF document text
    • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8ccc171fc---17135594638.pdfIn PDF document text
    • http://universalestetic.com/userfiles/file/gipubawabuf.pdfIn PDF document text
    • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/lbgo46oongvm6efoik1ophjchg/29833686524.pdfIn PDF document text
    • http://labcoop-jsc.com/wp-content/plugins/super-forms/uploads/php/files/vqgdprg2028lkipmgtp7ta7dnv/jewukatowupema.pdfIn PDF document text
    • https://angkorphotographyguide.com/userfiles/file/86551718452.pdfIn PDF document text
    • https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/c80e002df12096e1925bb5d405da3247/91373561514.pdfIn PDF document text
    • https://samngaimarble.com/html_upload/file/pinizawado.pdfIn PDF document text
    • https://webmenuplus.com/images/file/90960282218.pdfIn PDF document text
    • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/d84db9412fc943a3cc8987132660ca9d/50857452957.pdfIn PDF document text
    • http://okmarin.ru/userfiles/file/tobusubevuda.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=happy+independence+day+2020+imagesPDF link annotation

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