Malicious PDF — malware analysis report

Static analysis result for SHA-256 d99892ac8da5177c…

MALICIOUS

PDF

33.6 KB Authoring application: LibreOffice
MD5: 7b415e76f270aa64a9e69905db6b8ce0 SHA-1: c845b97e22a1ae0bc4363ea26490b2491bb69493 SHA-256: d99892ac8da5177c513d63ca0231fbc9d1b821a51f26b7607f89f8fd66b8ca50
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for a link farm, containing 31 external PDF links. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports its malicious nature. The embedded URLs are likely used to redirect users to phishing pages or download further malicious content.

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.globalhumax-tlccard.com/uploads/1/3/0/6/130604161/fd36f38d1e2ae1d.pdf
    • http://solutioncities.com/uploads/1/3/0/4/130476514/zilifosonodaxaxusalo.pdf
    • http://iammeckle.com/uploads/1/3/0/5/130590413/efbe45a14e49.pdf
    • http://navigatingthegapconsulting.com/uploads/1/3/0/6/130621850/lawerepekagel.pdf
    • http://mx.purplehobbies.com/uploads/1/3/0/5/130539797/4850940.pdf
    • http://jimmyyangupholstery.com/uploads/1/3/0/5/130538842/nadipi.pdf
    • http://www.sonomajacobs.com/uploads/1/3/0/7/130775294/483a4.pdf
    • http://artshorts.com/uploads/1/3/0/7/130738841/f562f.pdf
    • http://homeric-cards.com/uploads/1/3/0/6/130640049/51f31fb26a6.pdf
    • http://tahoefoodservice.club/uploads/1/3/0/6/130621280/mupapobizagon.pdf
    • http://sibtender.net/uploads/1/3/0/6/130640048/wuzafipedegubiw_bezaritegale.pdf
    • http://abcc-am.org/uploads/1/3/0/3/130379307/0f84b0.pdf
    • http://desatascoscastelldefels.com/uploads/1/3/0/5/130588430/beb751741afb.pdf
    • http://bryantskinsta.co/uploads/1/3/0/7/130738739/8250729.pdf
    • http://trileafoutdoors.com/uploads/1/3/0/7/130775033/jexakasuritovarovujo.pdf
    • http://lawncareofbatonrouge.com/uploads/1/3/0/7/130738837/2836459.pdf
    • http://suetonius.com/uploads/1/3/0/7/130775865/zibegaxeworopofo.pdf
    • http://mindfulparents.net/uploads/1/3/0/4/130489152/130489152.html#halloween+theme+piano+notes

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000238a.bin
5d9b9227db3abc1dd04c27014182c3e1a950d7318589c4440e2b59c2761d3cb2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x238A 7664 bytes

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