Malicious PDF — malware analysis report

Static analysis result for SHA-256 2632212803cc9035…

MALICIOUS

PDF

44.7 KB Created: 2020-07-08 15:07:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c1389105abc45949ed9de84e9afadf2 SHA-1: 4022c837424be30b987f160ef6caba298d5f4ec5 SHA-256: 2632212803cc9035bfe317367e83ec22288d7d071c53484ef4724909de1bf6d9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, identified as a link farm, pointing to various PDF files hosted on different domains. One prominent URL, https://ttraff.com/wb?keyword=hyundai%20tiburon%202007%20gt%20manual, is flagged as a malicious redirector. This suggests the document's primary purpose is to distribute malicious content or engage in SEO manipulation. No scripts were extracted, limiting the analysis of direct execution capabilities.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.com/wb?keyword=hyundai%20tiburon%202007%20gt%20manual
    • http://files.heavencanbefound.com/uploads/1/3/1/3/131384018/tizalunovemili.pdf
    • http://files.ennoblesolutions.com/uploads/1/3/0/9/130969046/af46fa042851e5d.pdf
    • http://files.webnova.net/uploads/1/3/0/9/130969082/f45a48860174c.pdf
    • http://files.feltlifestyle.com.au/uploads/1/3/0/8/130874467/3324807.pdf
    • http://files.crossfitantrim.com/uploads/1/3/1/4/131452794/mojoxizuwazeg.pdf
    • http://files.lindalgraham.com/uploads/1/3/1/4/131455283/7d86161771d526.pdf
    • http://files.lowellconcrete.com/uploads/1/3/1/4/131437648/fowak-jilog-gukulutiku.pdf
    • http://files.airfiltersalesandservice.com/uploads/1/3/1/4/131406369/jifegavonapufudanu.pdf
    • http://files.mendingmelanie.com/uploads/1/3/1/8/131856518/9025194.pdf
    • http://files.nmffa.org/uploads/1/3/0/9/130969819/deniz.pdf
    • https://fivumemejome713149502.files.wordpress.com/2020/07/23592665225.pdf
    • https://zolibuvove523289473.files.wordpress.com/2020/06/98006782788.pdf
    • https://dinigituxog.files.wordpress.com/2020/07/79443825685.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000071c8.bin
304d70128d49d06a308a0e806adcfe7847457fe0cf66730f6405db1f21632568		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71C8 5288 bytes
font_01_sfnt_off0000839d.bin
c9d94b458713667a9c19c0efecaf26350787b31e9c151cd3ce2cb360233079a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x839D 10144 bytes

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