Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e869333d30fabd2…

MALICIOUS

PDF

37.0 KB Authoring application: LibreOffice
MD5: db5ac5411b63c71afb7b59773cacc5ea SHA-1: 35dfb362d8b644ec1e537f4c8a563483774efa59 SHA-256: 8e869333d30fabd26276e36be09777d8cc993f9a5e6670c56acb114dc0a8f309
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical finding for a link farm and ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The embedded URLs, predominantly hosted on various domains with similar path structures, suggest a coordinated effort to distribute malicious content or phishing pages. The document body contains garbled text, indicating it is not intended for human consumption but rather as a container for these links.

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://kingandeyecrochet.com/uploads/1/3/0/4/130436152/3297b15337871.pdf
    • http://aloveoftennis.ca/uploads/1/3/0/4/130435639/jedukatelu.pdf
    • http://mail.auscanimports.com.au/uploads/1/3/0/8/130874403/83afa1bf68661.pdf
    • http://gradebook.info/uploads/1/3/0/2/130289241/natifif-polole-belubapazoxomat-wusufipekunu.pdf
    • http://www.givehim5.net/uploads/1/3/0/5/130590177/vebimivu_pobubafasited_pewiz.pdf
    • http://larrydthornton.com/uploads/1/3/0/5/130589042/1b605d28.pdf
    • http://designsbycarolann.com/uploads/1/3/0/7/130776219/faxutubub.pdf
    • http://mail.syrianamericanclub.com/uploads/1/3/0/7/130776750/4883304.pdf
    • http://wicfcip.com/uploads/1/3/0/4/130476180/rabawexigugu.pdf
    • http://www.integratedfunctionalhealthgroupinc.ca/uploads/1/3/0/7/130775056/6139682.pdf
    • http://youngwritersworld.com/uploads/1/3/0/5/130551416/d8d0b531440.pdf
    • http://thefilmpunks.org/uploads/1/3/0/5/130543757/93277731182eb3a.pdf
    • http://succacti.com/uploads/1/3/0/6/130640000/5434142.pdf
    • http://runwildcle.com/uploads/1/3/0/6/130621926/gijitij.pdf
    • http://cyber-plus.net/uploads/1/3/0/7/130775969/acbb4.pdf
    • http://tangofilmsla.com/uploads/1/3/0/7/130740344/688e5.pdf
    • http://konak9.com/uploads/1/3/0/6/130639098/vevonituvo.pdf
    • http://rochecenter.org/uploads/1/3/0/7/130739919/130739919.html#malachi+martin+pdf+books

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032f6.bin
6020cfee3173c47bb3d8700592a3b15e73969627381e6b1a35856c1e5b270483		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32F6 8384 bytes

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