Malicious PDF — malware analysis report

Static analysis result for SHA-256 9cf78708c6f87041…

MALICIOUS

PDF

42.5 KB Authoring application: Inkscape
MD5: ff2b2f975f999982987ea949a59fbc9d SHA-1: 9044f246c3c83911b8bacb22105a4e13f71e9f3d SHA-256: 9cf78708c6f87041a75ccbf2a082c59c7524d3aff20518b90f0c6f93a3ad5001
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, indicative of a link farm designed for SEO poisoning or phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious traffic redirection intent. No scripts were extracted, limiting the analysis of direct payload execution.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://magnificentweedseeds.ca/uploads/1/3/0/4/130483417/tuvovotaselel.pdf
    • http://abstractfact.com/uploads/1/3/0/7/130775968/6191698.pdf
    • http://freerange.shop/uploads/1/3/0/7/130740191/66311.pdf
    • http://melangeemporium.com/uploads/1/3/0/6/130639368/04a23a51a885.pdf
    • http://471633614246918175.com/uploads/1/3/0/5/130588263/063c31ae4fa4.pdf
    • http://zempreneur.com/uploads/1/3/0/3/130379424/lujemulemiwedopukefe.pdf
    • http://mistersac.net/uploads/1/3/0/4/130490915/42d746.pdf
    • http://patonemes.solicitacoes.online/uploads/2020/01/29/pogofubobames-dunurakej-fijaralepitodo.pdf
    • http://thisweeksbestdeals.com/uploads/1/3/0/6/130621353/ee13418.pdf
    • http://veteranhillhops.com/uploads/1/3/0/5/130590431/ba2b22f2e120.pdf
    • http://bsa-sccc-pack301.com/uploads/1/3/0/7/130739540/130739540.html#cubital+tunnel+syndrome+muscles+affected

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000143d.bin
d22164ff4e82812f5152b9aa43a8dc85613ceabb0ff6124fed473a7e9bbc52e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x143D 8188 bytes

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