Malicious PDF — malware analysis report

Static analysis result for SHA-256 c51001a8c9e424fc…

MALICIOUS

PDF

37.9 KB Authoring application: Inkscape
MD5: 848c31720e5ceb7b963b54aa5911ae12 SHA-1: 20545f58210c5714f7bedb3c668bd24b726fb300 SHA-256: c51001a8c9e424fc28536cf1f22d64f88e514cfbb7c4a3753a3fdf1a2148a935
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This technique is often used to create link farms for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection.

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://sockdogs.net/uploads/1/3/0/6/130639990/nixojujo.pdf
    • http://deltaixsecurity.com/uploads/1/3/0/4/130483384/tivokurigadep_jodekizasi.pdf
    • http://mermaidicamusic.com/uploads/1/3/0/7/130774993/2557675.pdf
    • http://theconservativerally.org/uploads/1/3/0/2/130271038/6649210.pdf
    • http://mfhinvestments.com/uploads/1/3/0/6/130621217/poxagek.pdf
    • http://bloomblushfloral.com/uploads/1/3/0/5/130545784/xiruja_zelapujewozivo.pdf
    • http://renrockconstructioncorp.com/uploads/1/3/0/8/130873758/pavesuku.pdf
    • http://jmaconstructioncorp.org/uploads/1/3/0/7/130776058/6f9832400.pdf
    • http://cresslandbythesplash.com/uploads/1/3/0/6/130603749/9083597.pdf
    • http://queenalexandra78ave.com/uploads/1/3/0/5/130551941/5557954.pdf
    • http://conectseg.com/uploads/1/3/0/8/130874277/4949b7731345b2.pdf
    • http://replaymind.com/uploads/1/3/0/4/130483508/22651f9fa2575.pdf
    • http://shawndgay.com/uploads/1/3/0/5/130544386/lanavateseded-tamerupabuto-zadojutewoza-wedofuwivoz.pdf
    • http://globalflights.org/uploads/1/3/0/7/130739962/5dec7d9.pdf
    • http://jccironandmetals.com/uploads/1/3/0/4/130476403/7bc1fea3600.pdf
    • http://sandiegoschooloffootball.com/uploads/1/3/0/7/130738797/5208765.pdf
    • http://prismchurch.net/uploads/1/3/0/4/130435670/somirezoze.pdf
    • http://www.apsleepingindian.com/uploads/1/3/0/7/130739090/130739090.html#fractions+finding+common+denominator+worksheets
    • http://bloomblushfloral.com/uploads/1/3/0/5/130545784/xir

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003936.bin
4ae0fca2123cb126e807c559d951f9c780503385025723d8c7400ac440872b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3936 7304 bytes

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