Malicious PDF — malware analysis report

Static analysis result for SHA-256 a273e4e4469cfbaf…

MALICIOUS

PDF

29.7 KB Authoring application: PDF Studio
MD5: 954c875b13de72f25c39b20a228231ff SHA-1: 32374e9950c4aea619952509794fcc1ff371c94f SHA-256: a273e4e4469cfbaf8b2f66f6e5f78323dcdde9da97823183b074ce2a8fb1c7d0
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV with the signature Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, indicating a link farm designed to redirect users to potentially malicious sites. The document body contains text related to 'Vision IAS monthly current affairs classes' and also includes several of the external URLs, suggesting a lure to disguise the malicious intent.

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://mail.mikaross.com/uploads/1/3/0/7/130775435/272637.pdf
    • http://webdisk.lonemami.com/uploads/1/3/0/5/130551356/jidanunajitej-neximer.pdf
    • http://zionlutheranpreschoolsi.com/uploads/1/3/0/7/130738740/kuxixexonosakomuwar.pdf
    • http://energiasenal.com/uploads/1/3/0/7/130775084/9141950.pdf
    • http://myindependentkids.com/uploads/1/3/0/5/130542972/1e5e381b1.pdf
    • http://ninja-casino.net/uploads/1/3/0/4/130436197/kubizazakumosil.pdf
    • http://risechildrenschoir.org/uploads/1/3/0/6/130621507/sajem.pdf
    • http://eglwystonyfelin.org/uploads/1/3/0/8/130873712/makiwipimesagifunaje.pdf
    • http://binghaoy.com/uploads/1/3/0/5/130588789/c3ba748edae.pdf
    • http://www.hockeyparentcoachdevelopment.com/uploads/1/3/0/5/130538953/gafirimeta-xanozu.pdf
    • http://retrovideogamez.com/uploads/1/3/0/4/130489499/nodiniberaf.pdf
    • http://my-pmc.net/uploads/1/3/0/9/130969169/7886174.pdf
    • http://x0955303xstreamtravel.xsideas.com/uploads/1/3/0/4/130436513/130436513.html#vision+ias+monthly+current+affairs+classes

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001d3e.bin
310e644588eb2b3ac08277c10a1713ff0f769e76b9ecd03a0ea21b04b88fbfd6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1D3E 7360 bytes

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