Malicious PDF — malware analysis report

Static analysis result for SHA-256 773513ea2250acfd…

MALICIOUS

PDF

45.2 KB Authoring application: OpenOffice.org
MD5: 64bc7dde6b7040eadfb08a64a239d8d7 SHA-1: e669c30d4aa69beeb9cbffda50c35bc737245b46 SHA-256: 773513ea2250acfd21ca6486e6b8582bb3b3ed7b432b00755b067ff30c2fd96b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. ClamAV detected this as Pdf.Phishing.TtraffRobotInstall-7605656-0, and a machine learning classifier also flagged it as malicious. The embedded URLs suggest a phishing or content distribution attack pattern.

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://petpalspetandhomecare.com/uploads/1/3/0/7/130739318/ravomim.pdf
    • http://davetamblyncoaching.com/uploads/1/3/0/5/130540240/51ee233c4c9fad.pdf
    • http://juanpallywood.com/uploads/1/3/0/7/130775411/gizedopu.pdf
    • http://anofasonline.com/uploads/1/3/0/4/130489841/wavanapag-zofob-tejolatade.pdf
    • http://bioracerusa.com/uploads/1/3/0/5/130545087/boxatulemagif.pdf
    • http://ohanarestocafe.com/uploads/1/3/0/2/130289467/6ee8cf22a1.pdf
    • http://michelamclaurin.com/uploads/1/3/0/2/130289561/kodexo.pdf
    • http://6foot7dave.com/uploads/1/3/0/6/130604544/vutukutob.pdf
    • http://viamediapromos.com/uploads/1/3/0/5/130539714/dda261d6.pdf
    • http://www.littleherokids.com/uploads/1/3/0/6/130604379/mepusopuwi.pdf
    • http://merx-group.com/uploads/1/3/0/6/130604560/wukebabixaw.pdf
    • http://www.for-sale-honda-accord.com/uploads/1/3/0/4/130483445/wurodejafanufivinazu.pdf
    • http://bodysculptorsaustralia.com/uploads/1/3/0/6/130604575/sobuveru.pdf
    • http://drresearch.me/uploads/1/3/0/4/130476844/diranujuwaguz.pdf
    • http://bindboard.com/uploads/1/3/0/7/130775840/1189546.pdf
    • http://gq0j8.bpmtc.com/uploads/1/3/0/4/130488987/130488987.html#analytical+method+development+and+validation+by+hplc+pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000049ad.bin
171f8a79f44c817cfb5de1f8154ee08a86d70c6dbb15210f7216abbc77b54c6b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49AD 2732 bytes
font_01_sfnt_off000055c4.bin
b62f1db5935ad6e3c1ad022896061d9e075398e07ab64d4cfed34a0a3f419519		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55C4 8136 bytes

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