Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8a9d9241a9ad3b7…

MALICIOUS

PDF

39.9 KB Authoring application: PDF Studio
MD5: 6bdde0a98eeb96609307e451779129d2 SHA-1: d4c6df74cf6db13284d3ed16441d2054db316212 SHA-256: c8a9d9241a9ad3b793b796d1da4cc1e2ad94d746607a2647671a43c4f82e3b42
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, many of which point to other PDF files, indicating a link farm designed to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body text mentions 'Shl test answers word', suggesting a lure to trick users into downloading further malicious content.

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://parklandrestorativejustice.ca/uploads/1/3/0/4/130435748/62cb8.pdf
    • http://fenix.pt/uploads/1/3/0/6/130622029/rexolepaposujozex.pdf
    • http://theshopballard.com/uploads/1/3/0/2/130287314/66c152a5657.pdf
    • http://hummobile.co/uploads/1/3/0/2/130288321/bdf54ea5.pdf
    • http://leachfamilyfarms.weebly.com/uploads/1/3/0/5/130589191/807305.pdf
    • http://mineviewaero.com/uploads/1/3/0/2/130288551/9108035.pdf
    • http://graceandflora.com/uploads/1/3/0/5/130551198/kisixepivoxejamoz.pdf
    • http://nathannegri.com/uploads/1/3/0/5/130550955/130550955.html#shl+test+answers+word

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010fd.bin
f96655e3a3a0cc2e9eec5d3f0de18ce17fafc81178074d82b3e6f08668ee7719		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10FD 8088 bytes

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