Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d4a77640b8c6037…

MALICIOUS

PDF

36.5 KB Authoring application: pstoedit
MD5: 822d007bf8c3c4e91b596983e9b8723c SHA-1: c4bd975b4b874990fda4393aba7a715118af46ef SHA-256: 6d4a77640b8c603711ea2f0bcee338fd21662912806037780cb886922c2073a7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or SEO spam campaign. It contains a large number of embedded URLs pointing to other PDF files, suggesting a link farm or a distribution mechanism for further malicious content. The document body contains text related to PDF conversion, which may be a lure.

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://merakihandmades.com/uploads/1/3/0/3/130379407/fagevi_vemikuvuruwop_mosuxepak_wifagafozagova.pdf
    • http://storyspinner.net/uploads/1/3/0/5/130540406/kezabonuveniv.pdf
    • http://quietland.com/uploads/1/3/0/7/130776298/jumumaxugubegebi.pdf
    • http://360landscaping.net/uploads/1/3/0/8/130813409/e67d7b1e9721.pdf
    • http://achomecleaningservices.com/uploads/1/3/0/4/130488662/6822054.pdf
    • http://pixelspringllc.com/uploads/1/3/0/6/130603888/bepomofozabo.pdf
    • http://carboncrossfit.com/uploads/1/3/0/5/130545733/gawemu.pdf
    • http://aqua2s.fr/uploads/1/3/0/9/130969177/6960358.pdf
    • http://ka-bloomgroup.com/uploads/1/3/0/7/130739897/c67688c8.pdf
    • http://michianadrugtestingcenter.com/uploads/1/3/0/6/130639745/9043844.pdf
    • http://glammeshops.com/uploads/1/3/0/7/130740231/aa65b78c.pdf
    • http://alessiadana.com/uploads/1/3/0/7/130739303/690cb11808.pdf
    • http://annampeterson.com/uploads/1/3/0/4/130476262/kamaj-tudesoziserew-ruwalofemilebon.pdf
    • http://grandviewbldg.com/uploads/1/3/0/4/130436050/vufowisa-zoxejuxogikon.pdf
    • http://kingdomartisans.org/uploads/1/3/0/5/130543546/pajelavimafivos.pdf
    • http://bhpmedicalconsultants.com/uploads/1/3/0/8/130814232/xatenudozorane-bixexaxi-lufakege.pdf
    • http://oaklandslodgebandb.co.uk/uploads/1/3/0/2/130291676/xepololibibupo.pdf
    • http://photosandburritos.com/uploads/1/3/0/2/130289658/xonisaxosoreko.pdf
    • http://undertheoaktravelllc.voyagerwebsites.com/uploads/1/3/0/4/130483513/130483513.html#convert+pdf+to+text+document+free+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000309e.bin
adb14cae1af3b9a5551f504a42e62d05ccb17203df4e70ff8cfb2e6ec755fa14		 pdf-font-stream PDF embedded font (sfnt) at offset 0x309E 7968 bytes

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