Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fb7342a7aa6903d…

MALICIOUS

PDF

69.9 KB Created: 2021-03-01 19:13:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: b658b88369b9f0b604dc94b7ae4c53bf SHA-1: a537e15afac3600e1016e43e3eef004a871ecce3 SHA-256: 1fb7342a7aa6903df6ec8a1d6fbe5bf8cc34a2dce299aea9c6c6b02b25cff9bb
154 Risk Score

Malware Insights

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

The PDF contains numerous external links, many pointing to Weebly and CDN domains, suggesting a link farm or redirection scheme. The presence of a PDF URI heuristic and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicate malicious intent, likely to redirect users to phishing or malware hosting sites. Although no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8161

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://resalured.ru/wb?keyword=warhammer%20fantasy%206th%20edition%20army%20books PDF link annotation
    • https://sinosopad.weebly.com/uploads/1/3/4/8/134892142/710667.pdfIn PDF document text
    • https://cdn.sqhk.co/wesaduleb/jchdEjf/18089817296.pdfIn PDF document text
    • https://cdn.sqhk.co/wejagamewo/jdhdUgc/spiral_balloon_garland.pdfIn PDF document text
    • https://giwulotasika.weebly.com/uploads/1/3/1/4/131411199/4878178.pdfIn PDF document text
    • https://cdn.sqhk.co/muligumixe/rhjjcgj/70454008770.pdfIn PDF document text
    • https://cdn.sqhk.co/geruvijiwiw/Kjiii4K/94473417698.pdfIn PDF document text
    • https://cdn.sqhk.co/rularijulen/bifVAid/gov._uk_grant_funding.pdfIn PDF document text
    • https://fosevagepuvuro.weebly.com/uploads/1/3/1/8/131858592/jimaxibi_nuwowakoso_toromowetukizi_gegoxaf.pdfIn PDF document text
    • https://voxujoponita.weebly.com/uploads/1/3/1/6/131607404/tokelu_rolosepin_punazunuw_vojan.pdfIn PDF document text
    • https://cdn.sqhk.co/jesovolavig/3iamsgi/tofatodapojezutuzek.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kinapemib.rf.gd/more_than_normal_synonym.pdfIn PDF document text
    • http://pizubape.rf.gd/piropexete.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f334.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF334 5376 bytes
SHA-256: 8a309c84f5978a0d9df4a8511bbbf6aa7e0b9c4cdffbff568dbfa4efd181a8ca

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