Malicious PDF — malware analysis report

Static analysis result for SHA-256 60c5253fa463a5fc…

MALICIOUS

PDF

46.8 KB Authoring application: Scribus
MD5: 90cbf05f405d0c4ab506626d29d6e0e8 SHA-1: 9ae09c1bded98fb40ae2485190c028fca2ff6071 SHA-256: 60c5253fa463a5fc54f9394a6e3000684c068b9779c264e8952bf25153fbc00f
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically related to phishing or malware distribution. No scripts were extracted, but the sheer volume of outbound links suggests a coordinated effort to redirect users to potentially harmful 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://symschall.store/uploads/1/3/0/7/130775195/8659192.pdf
    • http://lisagumerman.com/uploads/1/3/0/6/130640022/fakefurewiz_kazukivipeve_liwuvesoral.pdf
    • http://michaelvickersbaritone.com/uploads/1/3/0/7/130739112/5549168.pdf
    • http://hucklebean.com/uploads/1/3/0/5/130550803/kapogozuso-nepukixov-jigobazozutu-puwafodewivilok.pdf
    • http://constant4mayor.com/uploads/1/3/0/4/130489001/3947727.pdf
    • http://ka-bloomgroup.com/uploads/1/3/0/7/130776684/rowogujosori.pdf
    • http://baylandent.ca/uploads/1/3/0/5/130539188/dodile_ponegosojiwijuf_jukom.pdf
    • http://cigmamotorsports.com/uploads/1/3/0/5/130538862/bd558c.pdf
    • http://lhs98.com/uploads/1/3/0/5/130590159/1005940.pdf
    • http://www.nayibbukelepresidente.com/uploads/1/3/0/8/130813478/316c064d00e74.pdf
    • http://lucernecountryclubrvpark.com/uploads/1/3/0/5/130550873/4904631.pdf
    • http://bukudata.com/uploads/1/3/0/6/130604248/7408151.pdf
    • http://gmchamberpatrons.com/uploads/1/3/0/4/130436094/130436094.html#hemoglobinuria+paroxistica+nocturna+prueba+coombs
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e6f.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E6F 2652 bytes
font_01_sfnt_off0000473b.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x473B 16036 bytes
font_02_sfnt_off00005e97.bin
9787616b0741619aec081906ff398de78eeb69217408a40cadf339e523fbfcf8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E97 8776 bytes

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