Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf83f2fb64942bf7…

MALICIOUS

PDF

682.8 KB Authoring application: pstoedit
MD5: 0cee9a1a68fc44f05649cd1b0ba9f93d SHA-1: 1e36dad6060c620228aed5e71622429a09767617 SHA-256: cf83f2fb64942bf7da6a262b5e5bf1d45d99e91541f13451eea4f7b8eab6823e
62 Risk Score

Malware Insights

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

The file is a PDF that contains multiple embedded URLs, one of which is flagged as an external URI. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or malicious redirection campaign. The document body, though partially corrupted, mentions 'Liberated technical manuals' and includes several URLs pointing to PDF files, indicating a lure to download further malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3164

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://bamabreddoodles.net/uploads/1/3/0/4/130435803/fasid-butofuboronu-xurana-loverufolu.pdf
    • http://crosleyhome.com/uploads/1/3/0/3/130313213/6196051.pdf
    • http://cardiffhomedesign.com/uploads/1/3/0/6/130639397/7817553.pdf
    • http://aceitesdelatierra.com/uploads/1/3/0/5/130589317/bonedat-diminevazibare-lebowikon.pdf
    • http://proarbtreeservices.com.au/uploads/1/3/0/2/130287727/8829203.pdf
    • http://lightcodesmusic.com/uploads/1/3/0/5/130589328/2d2b22717b.pdf
    • http://cmajor7music.com/uploads/1/3/0/4/130490584/penesoturideka.pdf
    • http://rentprivatemoney.com/uploads/1/3/0/4/130483288/wuxug.pdf
    • http://sqk.me/uploads/1/3/0/5/130543050/6401891.pdf
    • http://mlwolters.com/uploads/1/3/0/5/130551124/b642d.pdf
    • http://boxinsideabox.com/uploads/1/3/0/5/130588417/degezup.pdf
    • http://oakclass.com/uploads/1/3/0/6/130604401/130604401.html#liberated+technical+manuals

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002103.bin
f08ae3bb9885aba42bbc227ad4edb03aef22e3c5d6eb876950eb2a62b878edc4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2103 9164 bytes

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