Malicious PDF — malware analysis report

Static analysis result for SHA-256 f67f55a41a04652c…

MALICIOUS

PDF

58.3 KB Authoring application: Scribus
MD5: c0ec5bfa5f1f45a8973493edf99ee2c9 SHA-1: 3385a2b195896e9951daa8bce7eebf7a73bf948e SHA-256: f67f55a41a04652c64d25f9513f7279393d9a3de2e7dfbca284bfb1356a7bf42
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 ClamAV and an ML classifier, as malicious. The primary indicator is the presence of a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links likely serve to redirect users to malicious content or to manipulate search engine results. The document body contains garbled text and embedded URLs, further supporting the malicious intent.

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://dubaidesignsprint.com/uploads/1/3/0/4/130436121/325f965cba6dd48.pdf
    • http://allstatepavingandmasonry.com/uploads/1/3/0/4/130435673/rokane_musumesimi.pdf
    • http://bellaandpolly.com/uploads/1/3/0/6/130639868/24ace475228373.pdf
    • http://solutioncities.org/uploads/1/3/0/6/130639205/3574990.pdf
    • http://reveriebelgns.com/uploads/1/3/0/7/130775521/27d3957.pdf
    • http://myflstudio.com.au/uploads/1/3/0/2/130271004/bojifa.pdf
    • http://mymokshayoga.com/uploads/1/3/0/6/130621455/6863078.pdf
    • http://budapestfoodandtravel.com/uploads/1/3/0/5/130539185/xofutefupe.pdf
    • http://businessstorytelling.net/uploads/1/3/0/2/130272462/5667913.pdf
    • http://requiroimports.com/uploads/1/3/0/6/130604032/bowubi.pdf
    • http://globalpart.info/uploads/1/3/0/6/130621542/b38a5cc6ff1b0.pdf
    • http://motta-ddd.pl/uploads/1/3/0/7/130738956/tolelaxaxex.pdf
    • http://holycowchocolate.com/uploads/1/3/0/5/130551222/kotere_jedapuwogapabo.pdf
    • http://drinkinggamescentral.com/uploads/1/3/0/5/130539735/a3e0edfb424e1.pdf
    • http://cpanel.t2troubleshooting.com/uploads/1/3/0/5/130550817/130550817.html#amikacina+dosis+pediatrica+neonatal

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001166.bin
10223afab4d032c01907168aee142349410fc7868261c972fa21b9a01ddbf52c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1166 9144 bytes
font_01_sfnt_off0000987d.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x987D 16036 bytes

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