Malicious PDF — malware analysis report

Static analysis result for SHA-256 03b5225be8518034…

MALICIOUS

PDF

69.1 KB Created: 2021-07-07 10:24:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: c4e09ea5dce552a3e8137fc639939399 SHA-1: 9c07673b490e0e01c55491d7a1f81e57410ffd12 SHA-256: 03b5225be8518034ad32b67a43d8419368489bd07c91c6fec590fb55ffa3bac5
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. The numerous external URIs, many pointing to compromised WordPress sites and disposable hosting, indicate a link farm designed to obscure the ultimate destination. The ClamAV detection and ML classifier further support its malicious nature, likely serving as a phishing lure or a distribution point for malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6468

Heuristics 6

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://smidgel.ru/uplcv?utm_term=osteogenesis+imperfecta+occupational+therapy PDF link annotation
    • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a2760c572---zuker.pdfIn PDF document text
    • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/6f2b63a472c1eea6f3176b666c7e5202/62975441952.pdfIn PDF document text
    • https://aravlicraft.com/cmsCart//upload/file/49187567394.pdfIn PDF document text
    • http://www.awakohchang.com/image/upload/File/0332035686.pdfIn PDF document text
    • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804c4a1b06e---68516052770.pdfIn PDF document text
    • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608705056ce94---xisutegeval.pdfIn PDF document text
    • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/14223251796.pdfIn PDF document text
    • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/n4uh2gn5coig5tqg7cliag48tt/96564330840.pdfIn PDF document text
    • https://allmassage.net/upload/file/20210618203202.pdfIn PDF document text
    • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160779da75502b---savudefol.pdfIn PDF document text
    • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/64a8a60bde3a40f99f2e3c9e7089d996/gegokupof.pdfIn PDF document text
    • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084956a4fa86---34525471611.pdfIn PDF document text
    • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160be24691273a---ruparusafiludorulapeja.pdfIn PDF document text
    • http://aksaaydinlatma.com/img/editor/image/file/70999406027.pdfIn PDF document text
    • http://jatyn.cn/upfiles/202106/file/1624381302.pdfIn PDF document text
    • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/51b4a5c259fdd7e26f9fd5429dea59d8/fegepewukogoma.pdfIn PDF document text
    • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/d4675cf19d15689d05ea65ae198cdf0a/kigeguvorevixomutigogari.pdfIn PDF document text
    • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a50d9b095bd---37199172132.pdfIn PDF document text
    • https://digireg.gr/upload/luvoxelegidodupevaruj.pdfIn PDF document text
    • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/295214946bd436597e135ee4e611e03e/babewi.pdfIn PDF document text
    • http://shinex-auto.com/userfiles/file/71203110278.pdfIn PDF document text
    • https://lensprovn.com/ckfinder/userfiles/files/910815216.pdfIn PDF document text

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