Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc6658e55823c8fe…

MALICIOUS

PDF

69.3 KB Created: 2021-06-05 00:31:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 93fde64356c92aa3636c03e9e7a851de SHA-1: 4af75eff2590ff880e443a705d98837bf04e3c0c SHA-256: cc6658e55823c8fef9cf00ebcad22ec489226b751c7a72c1c083b230bd9ec51b
154 Risk Score

Malware Insights

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

The PDF file contains numerous links pointing to compromised WordPress sites, disguised as a movie download lure. The heuristic firings indicate a link farm on disposable hosting, with one URL specifically targeting a movie download term. ClamAV detection as Pdf.Phishing.Trojan further supports its malicious nature. The embedded URLs likely serve as a distribution mechanism for further malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8224

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://pistant.ru/uplcv?utm_term=dead+poets+society+full+movie+in+hindi+download+filmywap PDF link annotation
    • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb20301c4c---vuzadufumasep.pdfIn PDF document text
    • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/11442745af76781abef040d3cfaeff68/vasagopuwidifusizaduk.pdfIn PDF document text
    • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b00146483c5---54138019795.pdfIn PDF document text
    • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e06c3d863---wixikizogutepujilopopa.pdfIn PDF document text
    • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c73cf258fb---92197004313.pdfIn PDF document text
    • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/43e2879dfd61a58e4d23b0e860697971/53744198921.pdfIn PDF document text
    • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b778068134d---xeperagezokepogasorilawi.pdfIn PDF document text
    • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/488aa7f37c3d963d628590a99f403be6/dexenibagedazi.pdfIn PDF document text
    • https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/6dce8c95310fd244001fe83ac4d1f45d/runorolizek.pdfIn PDF document text
    • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/b570f55b0e05e092401f59574f058edf/xukufesam.pdfIn PDF document text
    • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/dda1b164726659d996e8cadd90e2d662/belix.pdfIn PDF document text
    • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/ijj0mmuf6m8ima6jdfkvgrd6a1/pevedazi.pdfIn PDF document text
    • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1609636654519a---1181869393.pdfIn PDF document text
    • https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/0lrjb4hi8jeahnavicluuamsh2/kefifebu.pdfIn PDF document text
    • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608d19f33a9e8---19497344746.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF12 5552 bytes
SHA-256: 98efb8888b125076aff47d4288b8fe218e618a48e46ee6ac8c7f4a6bcc2a3c11
font_01_sfnt_off0000f1f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1F8 11060 bytes
SHA-256: 9ee65565cef66937a926f4939f0466eb30b699be4d4f1e99a576efabb7133f97

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