Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a268f0183704b33…

MALICIOUS

PDF

37.1 KB Authoring application: Scribus
MD5: 009352cbb1ccd038634c5c82f5707b68 SHA-1: e4f6373f4ed06d3b5b2201058733932a9d73f60b SHA-256: 9a268f0183704b33671c9230b1d39642252aee9ba2f84c210030f665bef6b0f2
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, indicating malicious intent. The PDF contains a large number of external links, with the primary host being streamkingztv.info. The document body, though heavily obfuscated, also contains references to these external URLs, suggesting a lure to download further malicious content or redirect to phishing pages.

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://streamkingztv.info/uploads/1/3/0/7/130739430/5611135.pdf
    • http://mlacondosforsale.weebly.com/uploads/1/3/0/4/130489563/dffa2285.pdf
    • http://mybima.net/uploads/1/3/0/5/130550828/545709.pdf
    • http://warwickmoss.com/uploads/1/3/0/4/130488700/jevivobabaxoxik.pdf
    • http://wrentham.shop/uploads/1/3/0/2/130272500/1832581.pdf
    • http://janpalson.com/uploads/1/3/0/6/130604780/zazebolamo.pdf
    • http://053748270.com/uploads/1/3/0/7/130739267/jesakaxadoruk.pdf
    • http://myriadpharmacy.com/uploads/1/3/0/5/130590469/kimutakof.pdf
    • http://nursingarmpillow.com/uploads/1/3/0/4/130476661/130476661.html#endometrial+ablation+in+espanol

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001187.bin
537ea24779f83ddd42bc9ff4abce5cd665a8e23c2021bae8039da86ac70ef9b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1187 9048 bytes

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