Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6389caf9680dd44…

MALICIOUS

PDF

41.8 KB Authoring application: OpenOffice.org
MD5: 23253b5a4808b24405f661f532d73940 SHA-1: b99e7392c52e29f3f7b7da00724d973374b5beb4 SHA-256: e6389caf9680dd4462011d6d8687abaace1d780cf9384d045d25815124a6eb6a
152 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier strongly suggest malicious intent, specifically identified as phishing. The embedded URLs likely lead to further malicious content or phishing pages. No scripts were extracted from this sample.

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://ygautos.com/uploads/1/3/0/7/130740440/tozokogigunewuzis.pdf
    • http://glendorainhomecare.com/uploads/1/3/0/7/130740190/dawijezotok.pdf
    • http://motorshoweast.com/uploads/1/3/0/3/130313702/f1fa0a.pdf
    • http://wordpress-photography-themes.com/uploads/1/3/0/2/130289563/kesibebuki.pdf
    • http://cadenceresource.com/uploads/1/3/0/4/130483376/falepifavuti.pdf
    • http://mail.michaelbrewsterart.com/uploads/1/3/0/5/130545742/taduwag.pdf
    • http://rockchurchofthehighdesert.com/uploads/1/3/0/2/130270979/mifujeketitutug.pdf
    • http://nofilterbydreah.com/uploads/1/3/0/7/130740374/lakikopa-ramurewa-zimazedetolo.pdf
    • http://granvillesofyork.co.uk/uploads/1/3/0/7/130775607/1304022.pdf
    • http://rhonddaladieshockey.co.uk/uploads/1/3/0/6/130605119/7007998.pdf
    • http://robindean.com/uploads/1/3/0/6/130604935/b95edd36501dae.pdf
    • http://desatascosgava.net/uploads/1/3/0/5/130590431/wolalirug.pdf
    • http://richardforiberiaparishpresident.com/uploads/1/3/0/6/130639863/3598875.pdf
    • http://blvd420.com/uploads/1/3/0/6/130605182/f7e5f5331.pdf
    • http://paperboyproductions.net/uploads/1/3/0/7/130739156/fipupemapa_zekelaro_nisejan_mumuf.pdf
    • http://www.alysebonline.com/uploads/1/3/0/7/130776110/ef73b59ea96b.pdf
    • http://atlanticcity-bachelorparty.com/uploads/1/3/0/6/130621765/fbb412f34b49.pdf
    • http://lanie-logan.rominastiebenphotography.com/uploads/1/3/0/7/130775386/130775386.html#tefal+air+fryer+actifry+instructions
    • http://rockchurcho

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004432.bin
c1db13063fdccf732a40ee99c5805121a14b3a4051eef39bb5984df1c3aab11b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4432 8960 bytes

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