Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb0bc889ea8b5145…

MALICIOUS

PDF

58.6 KB Created: 2021-02-28 04:11:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: b74e64fc09dde61b7726bc5bff8f0663 SHA-1: d52d41af1f59f51f313a2671a4520e724f701961 SHA-256: cb0bc889ea8b514513f4f1fae9cf58dc6c584160477ad9bc7338d244e78eda33
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is a PDF document flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs pointing to external sites, some of which are identified as link farms on disposable hosting. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://xezojetit.ru/award?keyword=2007+jeep+grand+cherokee+crd+oil+capacities PDF link annotation
    • http://simenejigixera.22web.org/division_worksheet_3rd_grade_free_printable.pdfIn PDF document text
    • http://idealica-tufficiale.website/10809119718ywwaw.pdfIn PDF document text
    • http://bluetea.space/9211151794553qs0.pdfIn PDF document text
    • http://molipetofokeva.22web.org/n_letter_whatsapp_status_video_telugu.pdfIn PDF document text
    • https://cdn.sqhk.co/ruxuvedije/fgejjpw/nitajoninurimakezulupi.pdfIn PDF document text
    • http://iranomics.com/31417021254zaew8.pdfIn PDF document text
    • http://evakuator-uga.ru/ariston_hotpoint_manuale_istruzionidr487.pdfIn PDF document text
    • http://banuzatama.22web.org/tuvodivokafiwuzozoro.pdfIn PDF document text
    • http://raxuzogigegekaj.66ghz.com/plugins_ireport_para_netbeans_8._2.pdfIn PDF document text
    • https://cdn.sqhk.co/dovawowo/ASx0iiK/61758563014.pdfIn PDF document text
    • https://cdn.sqhk.co/begokaxawip/cYgcBjc/zedol.pdfIn PDF document text
    • http://ruwiluleter.epizy.com/95141877143.pdfIn PDF document text
    • http://sulovibox.epizy.com/berserk_manga_chapters_wiki.pdfIn PDF document text
    • http://dexegudev.epizy.com/tesijuxidovolizo.pdfIn PDF document text
    • http://xazimipifigak.rf.gd/why_does_my_vtech_phone_say_line_in_use.pdfIn PDF document text
    • http://sexikiti.epizy.com/didawezogikujimujujaxageb.pdfIn PDF document text

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