Malicious PDF — malware analysis report

Static analysis result for SHA-256 30647959188e772a…

MALICIOUS

PDF

59.2 KB Authoring application: Solid Converter PDF
MD5: 07e5f73eb8f3c50bbac973e3cb4d0378 SHA-1: 1d6a6e7f05f9c896908a842a5d79fd8d74248f49 SHA-256: 30647959188e772aad269782f1dd563ed50e8ec924cc806e7c20c238f878df08
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule, indicating a mass of external links. The ML classifier also assigned a high probability of maliciousness. The embedded URLs, such as http://bgmlondon.com/uploads/1/3/0/3/130379447/3e4178a5b.pdf, are likely part of a phishing or malware distribution scheme. No scripts were extracted from this sample.

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://bgmlondon.com/uploads/1/3/0/3/130379447/3e4178a5b.pdf
    • http://chinesebiblewiki.com/uploads/1/3/0/5/130547069/90a7e.pdf
    • http://siberianpurrbabies.com/uploads/1/3/0/6/130640029/topaxeti-napusuwip.pdf
    • http://beachvita.com/uploads/1/3/0/5/130550985/bemetorelupo_modoxipevifu_fikulilobasu_latakoxe.pdf
    • http://catchmedanceproject.com/uploads/1/3/0/3/130323888/ba0516f80cc17.pdf
    • http://pieceofmindproject.com/uploads/1/3/0/3/130313176/4794043.pdf
    • http://adagedanceanddrama.com/uploads/1/3/0/2/130289186/cbfa2dc33d618e0.pdf
    • http://altasanacion.net/uploads/1/3/0/6/130604775/ruvimozidofivude.pdf
    • http://mmflackdesigns.com/uploads/1/3/0/6/130621574/4a5f92f3a48.pdf
    • http://mysmilepaparazzi.com/uploads/1/3/0/4/130476119/34c2e969bb61ab.pdf
    • http://immediateinsight.org/uploads/1/3/0/5/130538816/bamigojok_nakatatomeso_fanabelatifu_nijefejofedefa.pdf
    • http://icgauthbanquepoportail.com/uploads/2020/01/28/c7b386d32e56.pdf
    • http://djsacademy.com/uploads/1/3/0/6/130604448/130604448.html#ncaa+women%27s+lacrosse+rules+video

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001184.bin
c3df2c98f1eb986193b18ab597d3cc3f3077d4f404bf8e965123e265f9d3baa3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1184 9220 bytes
font_01_sfnt_off0000a153.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA153 16204 bytes

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