Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe3f46fe4c3e2940…

MALICIOUS

PDF

43.4 KB Authoring application: ImageMagick
MD5: fbdc61ae538f37d98e1ede88e524c27b SHA-1: 00d77dcd38dd75627526673533b890939e139593 SHA-256: fe3f46fe4c3e2940d764cb9b05ce4a0e9bd95d11509116784b20cf18a02a5336
150 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier's high confidence further support a malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://www.pmmconsult.cz/uploads/1/3/0/2/130272281/dalurejo.pdf
    • http://ip122-colo.mnemonix.com/uploads/1/3/0/4/130476970/vimulujiga.pdf
    • http://nowigetit.net/uploads/1/3/0/5/130543320/wejodeja-zikipipajixiv-xunidikamok.pdf
    • http://panicstudios.net/uploads/1/3/0/6/130640214/ff2d15866526.pdf
    • http://moretonbaywedding.com.au/uploads/1/3/0/6/130605335/divogunawivizuv-ruwak.pdf
    • http://fujita-jewelry.com/uploads/1/3/0/4/130476060/4a09cfb5975.pdf
    • http://www.girlscoutsofrabuncounty.org/uploads/1/3/0/6/130621385/jawatof.pdf
    • http://stemresourceshawaii.org/uploads/1/3/0/5/130551114/dalediwufexikutanin.pdf
    • http://toptreeservicerosevilleca.com/uploads/1/3/0/3/130313324/527692.pdf
    • http://bluecloudvape.com/uploads/1/3/0/2/130287536/vezanixomedato.pdf
    • http://harristweedclockcompany.co.uk/uploads/1/3/0/2/130291036/5e08639e079e1b.pdf
    • http://thewitchsgarden.com/uploads/1/3/0/6/130604517/2639764.pdf
    • http://mta-sts.mail.rescutec.org/uploads/1/3/0/4/130483355/woromugipo-vumipefodijar-pinexovulo-zuzepajoko.pdf
    • http://talescopic.org/uploads/1/3/0/6/130605164/tixoramuki_zenaxovajijabop_lugop_gozig.pdf
    • http://launchachurch.org/uploads/1/3/0/6/130603825/xujenukelesefaguj.pdf
    • http://www.drzen.co.uk/uploads/1/3/0/5/130550683/labexi_dopamitodol.pdf
    • http://www.xmo1.com/uploads/1/3/0/7/130738704/130738704.html#20+rules+subject+verb+agreement
    • http://www.girlscoutsofrabuncounty.org/uploads/1/3/0/6/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c89.bin
113ad09e9debd6383e1598eb553e4c8b144daebde7254cdb506e9bff178a6441		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C89 8392 bytes

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