Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce3d03e01183a5d2…

MALICIOUS

PDF

39.8 KB Authoring application: QPDF
MD5: c669bb5ecec60dbd3a3209a7d68fd049 SHA-1: 671e8ca56a8f5efc39844f5d771bb2582348ed1a SHA-256: ce3d03e01183a5d2b269a34bc9cb7d13d0505f39d9c0f4a8e79de3355eb065da
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, a common technique for phishing or distributing further malware. The document body, though partially corrupted, mentions VPN setup, suggesting a lure to trick users into clicking malicious links. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or traffic redirection intent.

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://coachu-ca.wienerdogrescuestore.com/uploads/1/3/0/6/130621576/4d6a2e853557.pdf
    • http://rjpersonalservices.nl/uploads/1/3/0/5/130550809/4925318.pdf
    • http://theurbanclimatologist.com/uploads/1/3/0/6/130605012/4e87f262dbbdf.pdf
    • http://speakeasyliverpool.co.uk/uploads/1/3/0/6/130604799/9823699.pdf
    • http://rechtspraak-republieknl-aarde.space/uploads/1/3/0/4/130435641/7121027.pdf
    • http://apocalypsescript.com/uploads/1/3/0/6/130639805/fujigemumifelexode.pdf
    • http://beer-crew.com/uploads/1/3/0/5/130543787/fowozodege_tudinaladatub_wedewifinuzala_wepumemapiz.pdf
    • http://stadiacatering.com/uploads/1/3/0/6/130639503/wekavotatuzon.pdf
    • http://mavemontajes.com/uploads/1/3/0/5/130539446/xaxijizajevelali.pdf
    • http://namlems.org/uploads/1/3/0/3/130323555/d17c915810.pdf
    • http://adentabenelux.com/uploads/1/3/0/4/130488512/pojetefosupule.pdf
    • http://dawnlindsayviolin.com/uploads/1/3/0/6/130639675/tewitebupo.pdf
    • http://rollingdoorsny.org/uploads/1/3/0/2/130272853/b1408.pdf
    • http://perillianconsulting.com/uploads/1/3/0/5/130545185/130545185.html#how+to+setup+vpn+on+asus+rt-ac66u

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002a1d.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A1D 16204 bytes
font_01_sfnt_off00004206.bin
a5aa3e771765c3354c30e85a2a4ceec1502bc52c94732c64aa0b0691b857d41b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4206 7988 bytes

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