Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf5ee13982b7dace…

MALICIOUS

PDF

35.5 KB Authoring application: PDFedit
MD5: 7554c02fc5163152de9d73b1ce13fd92 SHA-1: cc4002ed0bd31278e336755fcf443aa6794f8d9d SHA-256: cf5ee13982b7dace5d141c1eb4494f959974fb45836851cbc79c5369b8ccb2f3
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, indicating a link farm designed to redirect users to potentially malicious sites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection motive. The document body mentions an 'Akuh online laboratory reports portal' and instructs to 'enable scripts', suggesting a lure for fake login pages or further exploitation.

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://lilyleclaire.com/uploads/1/3/0/5/130588517/2c93b0d20e65439.pdf
    • http://pupplesapp.com/uploads/1/3/0/6/130621385/fapop-mudiwox-sofogusep.pdf
    • http://bharpermd.com/uploads/1/3/0/6/130621436/9799199.pdf
    • http://yhgjylcvnsb.weebly.com/uploads/1/3/0/6/130620272/tariworamuwug.pdf
    • http://thetuba.net/uploads/1/3/0/3/130379514/298983.pdf
    • http://davidmarquesibanez.com/uploads/1/3/0/3/130379174/130379174.html#akuh+online+laboratory+reports+portal

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001089.bin
aa8f45f377c4bd5f9a52aab37136c6aa1e75bbce5e1daab4485ba475f2b84b2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1089 8700 bytes

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