Malicious PDF — malware analysis report

Static analysis result for SHA-256 68218e25e9b35ca4…

MALICIOUS

PDF

36.2 KB Authoring application: pstoedit
MD5: 178bf1091f405ef3b34e3c7a448dccb7 SHA-1: eb8d600366d4e9b1fb0f1ad2b77e868d6e7bc7be SHA-256: 68218e25e9b35ca4b756915c1aba1cfbf6eb11695910caea43d020c7b60e7797
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common technique for distributing malicious content or phishing lures. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery. The embedded URLs are the primary indicators of compromise, pointing to potential second-stage payloads or phishing sites.

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://alterendo.fr/uploads/1/3/0/5/130551971/389246.pdf
    • http://www.camerashyportraits.com/uploads/1/3/0/5/130551770/4e6f1145.pdf
    • http://p-mad.com/uploads/1/3/0/7/130739761/nofavutipasozav.pdf
    • http://twolittlemockingbirds.com/uploads/1/3/0/2/130291475/2412000.pdf
    • http://tampabayimprovfestival.com/uploads/1/3/0/5/130588927/24e9316d785caba.pdf
    • http://kingvigilante.com/uploads/1/3/0/5/130543121/da6c80bf76a0c98.pdf
    • http://nlpcoursesmelbourne.com/uploads/1/3/0/4/130483926/papewizarux_nutanederemise.pdf
    • http://notablecreationsco.com/uploads/1/3/0/6/130639540/3382f99.pdf
    • http://adsgroup-wines-food.com/uploads/1/3/0/5/130542829/nekowidupu_pinikubupoxovam_lasojebareve_vogutufazabaz.pdf
    • http://mrsbutlers4thgradeclass.com/uploads/1/3/0/6/130604193/c9eb0.pdf
    • http://americanshomer.com/uploads/1/3/0/6/130639590/ledenosebifewa.pdf
    • http://ewaveinc.com/uploads/1/3/0/6/130605203/130605203.html#laporan+kasus+blighted+ovum

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003873.bin
73d962cff7e54dd0243e82f5ff608d649652623d6e401a1cbf6a76ac1a026c3f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3873 7216 bytes

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