Malicious PDF — malware analysis report

Static analysis result for SHA-256 c956fcebeea7ee2d…

MALICIOUS

PDF

62.9 KB Created: 2021-07-14 00:29:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-29
MD5: c9a7341fc9b448c9a6f168767ed39096 SHA-1: 3d72fb1b54da1aa6344c002778a33d8596b85dc2 SHA-256: c956fcebeea7ee2dfbaa0e62a8b802f78176133d11ce8b79b9e70e8fe5000b55
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link farm pointing to multiple compromised CMS upload storage locations and disposable hosting sites. The ClamAV detection indicates it is a phishing trojan. While no scripts were explicitly extracted, the PDF structure and link farm suggest an attempt to redirect users to malicious sites, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4957

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://mobitransjogja.com/files/sixufobirerekodizep.pdf In PDF document text
    • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1b8803a3f---9355831962.pdfIn PDF document text
    • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a466c5b7651---60470007346.pdfIn PDF document text
    • http://szpk.hu/_user/file/bupagepawijutedum.pdfIn PDF document text
    • http://littlepearlbooks.in/data/eimages/file/wufixetinogisetegisugez.pdfIn PDF document text
    • https://www.channeloflove.com/ckfinder/userfiles/files/gudopotixesurifazi.pdfIn PDF document text
    • http://dekoblickfang.de/userfiles/file/89463251484.pdfIn PDF document text
    • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/2efb1c16223de61a647fb0477bcb4d76/59281353133.pdfIn PDF document text
    • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/3po0i8lu4ovrpdd84v8f0i39p4/vajin.pdfIn PDF document text
    • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/6fd5166a0e470ff56050ccc774e110a9/xemoro.pdfIn PDF document text
    • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/bb32df5433ebdce9633db318a00e974c/16896357470.pdfIn PDF document text
    • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/420e07ccb7769cd259fa98514ad169fb/33375144465.pdfIn PDF document text
    • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/60a3e6edc71c25108ff7c6da0e314e50/39763983302.pdfIn PDF document text
    • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/dd663e8064500c41ac1390c667f3276a/vidadadigipujemetiw.pdfIn PDF document text
    • https://plasy.com/uploads/file/jazawunumenogubud.pdfIn PDF document text
    • http://oreade-breche.fr/userfiles/file/67360704938.pdfIn PDF document text
    • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/70c1793d7c893e762a33f11d4a49b626/dukadojinex.pdfIn PDF document text
    • https://webtechnocrats.com/upload/file/zokejawanajopa.pdfIn PDF document text
    • https://hr-serdahel.hu/images/file/46557420858.pdfIn PDF document text
    • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/093c02d8a5d9d408d68b489125cb734a/migesegifuriz.pdfIn PDF document text
    • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/np24423lvh6j2ftbjrfabep9v4/givibikidevesobakitegire.pdfIn PDF document text
    • https://dreamscapes.ca/dream_scapes/userfiles/files/xuluboxixovov.pdfIn PDF document text
    • https://mmszke.hu/files/file/jotabupozobopigugetoge.pdfIn PDF document text
    • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/7c43699769f1d65aa0e51f561e8dc2e0/94010182183.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+can+i+earn+money+by+uploading+apps+on+play+storePDF link annotation

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