Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b3399a117b754d2…

MALICIOUS

PDF

42.3 KB Authoring application: Inkscape
MD5: ccbf257761120b612a86996dc104170e SHA-1: 6637cd756489802e472517dbb63088a2c6a2d2bd SHA-256: 2b3399a117b754d2ce7175b590feb636e4b4dedd3653f67f156f63d55509de54
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a link farm containing numerous external PDF links. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a malicious intent. The embedded URLs likely lead to phishing sites or further malware downloads.

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://995silver.com/uploads/1/3/0/3/130379380/1221662.pdf
    • http://my365tutors.net/uploads/1/3/0/6/130605040/damojubezud.pdf
    • http://www.hawaiigetawayweddings.com/uploads/1/3/0/3/130312920/421f6ce3619ee.pdf
    • http://www.register.translantau.com/uploads/1/3/0/6/130640128/1bbbae2b.pdf
    • http://www.alexavakimball.com/uploads/1/3/0/3/130313728/babd682c889741.pdf
    • http://techconnectwest.net/uploads/1/3/0/4/130483847/wewomeraxezamatife.pdf
    • http://hostmaster.heinrichtoh.com/uploads/1/3/0/8/130813790/4788631.pdf
    • http://colombus.store/uploads/1/3/0/7/130739340/sabiwufemobosabad.pdf
    • http://semesterinfo.eu/uploads/1/3/0/2/130291707/9072133.pdf
    • http://homeownerenergyexchange.com/uploads/1/3/0/3/130324451/dopibuwabekugig-bulivin.pdf
    • http://annafriendfilm.com/uploads/1/3/0/5/130588468/vibasusukas-rimefafopa-xopefetawufi-wixakam.pdf
    • http://magnoliastravelandtouradventures.voyagerwebsites.com/uploads/1/3/0/6/130603944/130603944.html#alabama+abortion+law+2019+document
    • http://semesterinfo.eu/uploads/1/3/0/2/130291707/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e16.bin
83bf0c78fa0e18cd221b71a2373baac724beba1b4270c2f2d8a910d8331553bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E16 8408 bytes

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