Malicious PDF — malware analysis report

Static analysis result for SHA-256 47f9651b6711463c…

MALICIOUS

PDF

48.4 KB Created: 2021-03-15 07:58:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 300ca858ac3c78c7374ccf8fcf4f98a1 SHA-1: 7dee1c8d16a3b6da3b938cbd7fa00890df7368b0 SHA-256: 47f9651b6711463c6ea364a664a570ac33f1c5ae5f5551dd4b5fec0e858223fc
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many of which point to disposable domains and are flagged as part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7360

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://midufefew.ru/award?keyword=barnacle+bill+the+sailor+bass+trombone+pdf PDF link annotation
    • http://meetly.space/786647558227xm8f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4500450/normal_5fe40ba6ab983.pdfIn PDF document text
    • https://fekanarikivokil.weebly.com/uploads/1/3/4/8/134884633/gupuputokakuvaza.pdfIn PDF document text
    • http://runmasten.online/guguzknd2t.pdfIn PDF document text
    • https://jewadasin.weebly.com/uploads/1/3/4/6/134604584/somufaluwupeze.pdfIn PDF document text
    • http://medyayazilimtr.com/76834620481m14d7.pdfIn PDF document text
    • http://vuzisebepuda.iblogger.org/capital_bra_album_free_berlin_lebt.pdfIn PDF document text
    • http://lifeeuro.info/relationship_dialogue_overhaul_sse_load_ordervlqmk.pdfIn PDF document text
    • https://cdn.sqhk.co/posojuvapono/Vicifgf/84610841255.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416786/normal_5fdcedd89104e.pdfIn PDF document text
    • https://cdn.sqhk.co/guzufaseba/ihegeha/translate_on_screen_mod_pro_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417525/normal_600a760b3131c.pdfIn PDF document text
    • http://rekadifaleroj.rf.gd/rodadatewonakasavupin.pdfIn PDF document text
    • http://suvumudupese.epizy.com/badmaash_company_full_movie_dailymotion.pdfIn PDF document text
    • http://balazetesu.epizy.com/nujosasuninobexafaburad.pdfIn PDF document text
    • http://jijojigig.epizy.com/adithalam_songs_free.pdfIn PDF document text

Related samples 8

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