Malicious PDF — malware analysis report

Static analysis result for SHA-256 e68abbe746cec116…

MALICIOUS

PDF

53.8 KB Created: 2020-03-28 06:45:47 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6985e07a3b3bd2d5cce5c69330da46d1 SHA-1: 25bd4345496bf85a16e0144aafbdb71e9451c1c5 SHA-256: e68abbe746cec116c30d2148be6218460085d3d2caa67ad96efa0869064aa38c
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution network. The document body contains text related to 'Planeacion para dia de muertos preescolar' and mentions wkhtmltopdf, indicating it was likely generated by a tool. The primary attack pattern involves redirecting users to a large collection of external resources.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://baeckens.com/uploads/1/3/0/6/130621749/130621749.html#planeacion+para+dia+de+muertos+preescolar
    • http://panicroomrichmond.com/uploads/1/3/0/8/130874082/bebiwaribo.pdf
    • http://www.littlethaischoolhouse.org/uploads/1/3/0/9/130969066/bedewaja.pdf
    • http://alfreds-catering.alfredschipsandsalsaexpress.com/uploads/1/3/0/2/130289386/zuvixux-kewidukiginumez-tukisonoxomamog-budutadutokeju.pdf
    • http://southpawstraining.com/uploads/1/3/0/6/130604446/bogodegeloresij.pdf
    • http://streetmajesty.com/uploads/1/3/0/5/130590351/lidopeziteju-potubogazimakis-rifunajuz-xegoxevidejabu.pdf
    • http://pnl-therapy.com/uploads/1/3/0/8/130874038/9fe2ab35c11428.pdf
    • http://reviveyourdrive.net/uploads/1/3/0/4/130488096/5222059.pdf
    • http://bigheartsforcancerpatients.org/uploads/1/3/1/0/131071277/3717175.pdf
    • http://coachvirtue.com/uploads/1/3/0/3/130379193/b22d2.pdf
    • http://vitalitymenshealth.net/uploads/1/3/0/6/130639949/73b52fbd58e63.pdf
    • http://maturingtowardwholeness.com/uploads/1/3/0/9/130969599/5557311.pdf
    • http://sanjuanstorage.net/uploads/1/3/0/5/130551059/zomari.pdf
    • http://apkzebra.com/uploads/1/3/0/6/130604525/xisefasekixa.pdf
    • http://65ktithechallenge.com/uploads/1/3/0/7/130776812/78850.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a6ec.bin
89b4a40d88d5817496fed5bd06de6ed0970a5c506bcc89b34b0224da0de00d2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA6EC 9164 bytes

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