Malicious PDF — malware analysis report

Static analysis result for SHA-256 afd947bb0f469fde…

MALICIOUS

PDF

54.0 KB Created: 2021-09-21 07:41:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 4c432cccf56b067160fc19a56db88f0b SHA-1: 4893723ac25fb38fdc9db17c15d9122c1e99330f SHA-256: afd947bb0f469fde2b5c0065b1a71321ce8d5e2765663d309290355e986bb702
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating it is a link farm pointing to compromised websites and potentially malicious URLs. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of external URIs and link farms indicates an attempt to redirect users to phishing or malware distribution sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6253

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://crysiq.ru/uplcv?utm_term=easy+free+robux+generator
    • https://greenfins-thailand.org/uploads/file/parudakesedidunaneve.pdf
    • http://dreiseengrundschule.de/files/59106992872.pdf
    • http://quartierdete.fr/uploads/fckeditor/file/75041778175.pdf
    • http://yunnanyingxiang.com/ckfinder/userfiles/files/xolotekagazokojaju.pdf
    • http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/29946538613.pdf
    • http://zhihepvb.com/upload/ckimg/files/202109121715118728.pdf
    • http://tubemakingmachine.com/uploadfile/files/vabepepukegeserapalenona.pdf
    • https://iwistw.com/upload/files/sezekedovo.pdf
    • http://shinaval.ru/userfiles/file/nufedezalopexa.pdf
    • http://wildzipper.com/clients/wildzipper/userfiles/file/nomemunapudumamebu.pdf
    • https://aneri12.cz/res/file/76392583064.pdf
    • https://istanajp.net/contents/files/wazenipoto.pdf
    • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/af26d5cf16da69ead31eac428ec86fbe/67352234365.pdf
    • http://draftingfloorplan.com/ckfinder/userfiles/files/37315182126.pdf
    • http://masonhn.com/d/files/36596519586.pdf
    • http://hoya-system.com/uploads/files/202109031409473020.pdf
    • https://bhiringisamsankalimandir.org/userfiles/file/8877934881.pdf
    • http://www.nomorcantikjoss.com/file/komimajaruli.pdf
    • http://ng-sons.com/userfiles/file/70156378215.pdf
    • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/d9e427beb0e1d21a9f276d21ed4079a8/zopinizaf.pdf
    • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/59ab9cfdd8eb829f9242a6a97d52c228/75283178041.pdf
    • http://wonderful-foods.net/userfiles/file/wuwetegezururosodipoxumo.pdf
    • http://olynskiconstruction.com/pics/file/tapegameguz.pdf
    • http://a-pluset.com/userfiles/gojesefakelazabevexiw.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.