Malicious PDF — malware analysis report

Static analysis result for SHA-256 e27c742164778c9a…

MALICIOUS

PDF

36.9 KB Authoring application: PDFBox
MD5: bc09f2ca0e38ced7278b66d428486e15 SHA-1: 248cce566b0ce04273b4c9e7d6c7b25e34e1a361 SHA-256: e27c742164778c9a524cc31814ccd4d7126889d084bfea3d3d52d79fe5c79392
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious content. ClamAV detected this as Pdf.Phishing.TtraffRobotInstall-7605656-0, and an ML classifier also flagged it as malicious. The embedded links are the primary indicators of malicious intent, likely serving as a lure or part of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://trustedcomputingcoalition.net/uploads/1/3/0/5/130589309/43cb28eae.pdf
    • http://utwatch.org/uploads/1/3/0/7/130740073/kepapu-tatopoku-ritomot.pdf
    • http://madshirts.net/uploads/1/3/0/2/130287934/sikalokezipigizoxiko.pdf
    • http://cryptothermal.com/uploads/1/3/0/4/130488158/789114.pdf
    • http://battlebuilding.com/uploads/1/3/0/8/130815008/3823582.pdf
    • http://dreaconti.com/uploads/1/3/0/4/130483047/wulodotuw.pdf
    • http://scrubjay.com/uploads/1/3/0/7/130739101/2be3d721b.pdf
    • http://foundation-development-consultants.com/uploads/1/3/0/4/130489131/4998853.pdf
    • http://cupcakeswithanxiety.life/uploads/1/3/0/6/130604370/0571cd78c7c.pdf
    • http://lovetorehab.com/uploads/1/3/0/5/130550762/1f75a18.pdf
    • http://acceligen.org/uploads/1/3/0/3/130313135/3414607.pdf
    • http://rossloto.site/uploads/1/3/0/8/130814329/lepupimi.pdf
    • http://www.yourfinancialmom.com/uploads/1/3/0/6/130603842/47780c0695ca7.pdf
    • http://leadsment.com/uploads/1/3/0/7/130775536/a76202d.pdf
    • http://ineffableapparel.com.au/uploads/1/3/0/4/130435726/cb29efeaf4634.pdf
    • http://zpo9t.bpmtc.com/uploads/1/3/0/5/130588280/130588280.html#coordinate+graphing+mystery+picture+four+quadrants+gingerbread

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002284.bin
3ae1f3d0e146b368c63970c04bfc7b943c642c16e67bd964b341e66e1d00bda3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2284 6472 bytes
font_01_sfnt_off000034f0.bin
7c0ea71616a8f2baf9b77d3d82f74e304197e5e0175e3605d3d4bb158002091a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x34F0 7976 bytes

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