Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd8a35c99a171a70…

MALICIOUS

PDF

36.8 KB Authoring application: PDFedit
MD5: 75a48cfcb21c41e2ccb86cbeb4d53170 SHA-1: 4389454e30966fffa5c714f1f186d240eebe00f1 SHA-256: bd8a35c99a171a707714595928159870371e203c572787b1684535962fd2666d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. The document body text is heavily obfuscated and contains some of the URLs, suggesting a coordinated effort to distribute content through these links.

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://repetepropertyteam.com/uploads/1/3/0/2/130272388/mazuzedoxo.pdf
    • http://bartolomeilaw.com/uploads/1/3/0/4/130483329/c4583d515a75.pdf
    • http://poppyandrose.co.uk/uploads/1/3/0/4/130476563/7964322.pdf
    • http://trservices.com.au/uploads/1/3/0/3/130323311/4f5dcba6a9e.pdf
    • http://fionaborrelli.com/uploads/1/3/0/4/130490181/7709753.pdf
    • http://homebrewershirts.com/uploads/1/3/0/8/130874411/4bc668ebb39540.pdf
    • http://ashleyrbryant.com/uploads/1/3/0/3/130323362/60455e8ab1.pdf
    • http://techreb.com/uploads/1/3/0/6/130604575/0845e04741a6.pdf
    • http://rsvptotony.com/uploads/1/3/0/7/130740363/zader.pdf
    • http://gadgeriffic.com/uploads/1/3/0/3/130313221/rolakapukafusobig.pdf
    • http://elateyoga.org/uploads/1/3/0/7/130776264/wafumez.pdf
    • http://sobolagroup.com/uploads/1/3/0/5/130541445/4207999.pdf
    • http://grooveshoprecords.com/uploads/1/3/0/3/130379145/18bf74dabc5cce.pdf
    • http://www.vaughnchapelmbc.com/uploads/1/3/0/7/130740235/bikizigijasapigig.pdf
    • http://lynnxiao.com/uploads/1/3/0/6/130621355/70e7baa.pdf
    • http://sustainguitar.com/uploads/1/3/0/2/130289535/6761391.pdf
    • http://radiantlifeacademy.org/uploads/1/3/0/5/130589285/779928.pdf
    • http://7levelselling.stefanaarnio.com/uploads/1/3/0/6/130605453/130605453.html#wood+carving+for+beginners+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003447.bin
b7d56b94a077e6d789f6b92060e9d30f7fb4a74a5efea5e48ed99411a8176b2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3447 7556 bytes

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