Malicious PDF — malware analysis report

Static analysis result for SHA-256 be040b8a84ae6ef0…

MALICIOUS

PDF

33.2 KB Authoring application: LibreOffice Draw
MD5: 7ae3f28dd1a0c613a2d25d44f8060af5 SHA-1: 643e8cabd8c681bd0100f4c642e62b23c74da88c SHA-256: be040b8a84ae6ef0caa936547b8da6e1ca6d7d8b44271630db28112872315f1c
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This behavior is indicative of a link farm designed to redirect users to potentially malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection motive. No scripts were extracted, limiting the analysis of direct payload execution.

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://mingcamellia.com/uploads/1/3/0/5/130589452/mutejek.pdf
    • http://crinem.com/uploads/1/3/0/6/130620834/bbe03da80.pdf
    • http://newencores.com/uploads/1/3/0/7/130738778/b5636.pdf
    • http://yachtrock.biz/uploads/1/3/0/5/130550937/952534.pdf
    • http://comptek.us/uploads/1/3/0/3/130323672/6147407.pdf
    • http://artofamandaheard.com/uploads/1/3/0/4/130483285/gajowepupudimol.pdf
    • http://peopleandpipelines.com/uploads/1/3/0/6/130604229/piwesokik-monesexig.pdf
    • http://scottdawson.info/uploads/1/3/0/4/130483765/9e5a6.pdf
    • http://straitcycles.us/uploads/1/3/0/2/130270796/2b6c9a9d.pdf
    • http://aljazeeraglobal.com/uploads/1/3/0/5/130588297/kafimawev_zirawubu_tojasoxogipo_temidurujep.pdf
    • http://collegeeducationonline.net/uploads/1/3/0/7/130775497/10e87088860.pdf
    • http://binnachtees.com/uploads/1/3/0/4/130488820/b708d609cb91332.pdf
    • http://carolinedivine.com/uploads/1/3/0/6/130620222/01db535c6d2267.pdf
    • http://allsaintsws.net/uploads/1/3/0/6/130639611/fijeboxumerewopila.pdf
    • http://nuobeijing.devsite-1.com/uploads/1/3/0/7/130739326/130739326.html#holiday+coloring+pages+printable+for+kindergarten
    • http://artofamanda

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000297a.bin
6cb7b20e9a94412f13f712c8927200cea9b340091145bf3ceae3994cf1f35c44		 pdf-font-stream PDF embedded font (sfnt) at offset 0x297A 7336 bytes

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