Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ece35bd03feba54…

MALICIOUS

PDF

33.7 KB Authoring application: Nitro PDF
MD5: 672147f37072b59387df98da970517c1 SHA-1: df0c5a723e90b18518f578f6a8cd55980165bc06 SHA-256: 3ece35bd03feba5401bce85d2694d8cfe461673701e55149f3c3d155e43e4ef5
62 Risk Score

Malware Insights

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

The ClamAV heuristic 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing campaign. The PDF contains embedded links pointing to external PDF files, indicating a likely attempt to deliver further malicious content or redirect users to phishing sites. The document body text is largely unreadable due to encoding issues, but the presence of multiple suspicious URLs supports the phishing attack pattern.

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://ccpropertyinvestment.com/uploads/1/3/0/6/130639082/taxemuzasadazodogowe.pdf
    • http://mnsportslocker.com/uploads/1/3/0/2/130289655/cfcaa61f6fbf.pdf
    • http://kax.topresult.icu/uploads/2020/01/29/7474105.pdf
    • http://843845455199742151.weebly.com/uploads/1/3/0/6/130639867/f26718.pdf
    • http://advance-it.net/uploads/1/3/0/6/130639181/130639181.html#tabela+de+tra%C3%A7os+de+argamassa+e+concreto+pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010d5.bin
602568f9047d6bf9b98cebdbffda450365fde6c3339a74b908920b3ce04b57a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10D5 10352 bytes
font_01_sfnt_off000047e5.bin
e2a609504f31aba74360c8f97aead3d8f97c76e888a653261413c8bef59e3205		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47E5 2884 bytes

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