Malicious PDF — malware analysis report

Static analysis result for SHA-256 3892ad4d4bff3339…

MALICIOUS

PDF

46.3 KB Authoring application: Inkscape
MD5: 234fa7121c60490808047efa6884edda SHA-1: b14b2ec98fbdbd7b1e7f8cd62b38a9935b8e3e78 SHA-256: 3892ad4d4bff33390e5b2f3add7a0b2d6564375b1941123a22547ff6338ddfec
130 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of external links to other PDF files, indicative of a link farm used for SEO poisoning. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the presence of embedded URLs strongly suggest a phishing or malicious redirection campaign. The document body, though heavily obfuscated, contains phrases related to browser updates and download prompts, reinforcing the phishing lure.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://eventshutter.com/uploads/1/3/0/2/130271102/netelulebij.pdf
    • http://rdcgroupusa.com/uploads/1/3/0/2/130270872/5050730.pdf
    • http://inspiredwellness411.com/uploads/1/3/0/6/130621587/popagezum_wugobo_gugopigesew.pdf
    • http://vulcanmobilewelding.com/uploads/1/3/0/6/130621180/7076391.pdf
    • http://truedetermination.shop/uploads/1/3/0/6/130620751/9dded377139.pdf
    • http://www.arth.services/uploads/1/3/0/6/130604415/3646412.pdf
    • http://electrotech.vip/uploads/1/3/0/5/130544635/fizexalujonokikigaga.pdf
    • http://www.crowdrising-success.com/uploads/1/3/0/6/130639643/minevepolifa.pdf
    • http://sportzillaonline.com/uploads/1/3/0/8/130874194/6144660.pdf
    • http://sciencesmartssociety.org/uploads/1/3/0/4/130490681/19a0ad.pdf
    • http://pinsights.net/uploads/1/3/0/3/130379675/raxogazika_bonuzare.pdf
    • http://swag-walk.com/uploads/1/3/0/3/130379597/vevek_lukaxevobap_xekifofozenita.pdf
    • http://host197.carmichaelnl.com/uploads/1/3/0/9/130969339/130969339.html#how+to+modify+pdf+files+free

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004611.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4611 16036 bytes
font_01_sfnt_off00005d36.bin
759c125e8c6c8cf20b2eef49bd2d32eacd2a6952ad79a625b76b8692dbdc8176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D36 8004 bytes

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