Malicious PDF — malware analysis report

Static analysis result for SHA-256 2071d30a14607b71…

MALICIOUS

PDF

37.9 KB Authoring application: Karbon
MD5: 7bec456c27ff51344866d635225ab8d4 SHA-1: a594be80c23e6684464f29e87d9c3ad52de0bba5 SHA-256: 2071d30a14607b71b63b3aeeda0e81a69ae3827d3264a33e1f612a7deb51ede6
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. The embedded document body text is largely unreadable due to truncation and encoding issues, preventing a more detailed analysis of its specific lure.

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.doobiedoowop.com/uploads/1/3/0/2/130270990/dutasifaxakawil.pdf
    • http://www.carolinasoulco.com/uploads/1/3/0/5/130589278/gigoguwopuduvazakuno.pdf
    • http://yourpublicistknows.com/uploads/1/3/0/4/130475955/nodobus.pdf
    • http://lailaboutique.net/uploads/1/3/0/2/130270866/764a2f.pdf
    • http://northcountypronetworkers.com/uploads/1/3/0/7/130738956/615839.pdf
    • http://lawyerliving.com/uploads/1/3/0/7/130738988/a617f9023.pdf
    • http://earlyadoptersclub.com/uploads/1/3/0/7/130775048/2219176.pdf
    • http://www.hellenicpacific.com/uploads/1/3/0/2/130289618/sudana.pdf
    • http://paulspadafora.net/uploads/1/3/0/5/130550890/5741910.pdf
    • http://advbiocomp.net/uploads/1/3/0/4/130476062/1b04c6514c71.pdf
    • http://www.uncommonravenmusic.com/uploads/1/3/0/3/130313135/8957677.pdf
    • http://roadiesrule.com/uploads/1/3/0/2/130287221/pemogemenag.pdf
    • http://bluestarwellness.ridersedgetherapy.com/uploads/1/3/0/3/130323453/8476484.pdf
    • http://host243.carmichaelnl.com/uploads/1/3/0/5/130542972/130542972.html#vintage+singer+sewing+machine+setup

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003b38.bin
089a04a79982590562757871c25fad552a6b51e1f453ab544bc2549f0db10959		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B38 7944 bytes

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