Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc7317b15878a46c…

MALICIOUS

PDF

40.8 KB Created: 2020-03-14 17:24:33 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 859ed0fca58817d021e332e8acd4b0b3 SHA-1: 4e70abb7ce8b4862b07b0aad5a2e3f9bf633d2e4 SHA-256: fc7317b15878a46c2df6d592ce46c6187adcbba62018c3523be9e4187ba6c563
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution network for malicious content. The document body text is minimal and appears to be metadata or a lure, with the primary malicious activity being the mass redirection to external URLs. No scripts were extracted from this sample.

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://x0597057xstreamtravel.xsideas.com/uploads/1/3/0/6/130639477/130639477.html#breathe+in+the+air+piano+sheet+music
    • http://www.viagerplus.net/uploads/1/3/0/6/130621472/lomixewobaxarem-ragojol.pdf
    • http://rebeccakeeling.com/uploads/1/3/0/6/130603761/nirabilapisomibu.pdf
    • http://bergeronauto.biz/uploads/1/3/0/8/130813496/dajugagaka.pdf
    • http://davidellis-photo.com/uploads/1/3/0/8/130874161/b75421f04a.pdf
    • http://ias-y.club/uploads/1/3/0/5/130539093/6004537.pdf
    • http://foxmaxx.com/uploads/1/3/0/7/130775164/7056677.pdf
    • http://bhambassclub.com/uploads/1/3/0/6/130639059/350fb18.pdf
    • http://socialkine.com/uploads/1/3/0/2/130291358/4774581.pdf
    • http://retail.fanhubnw.com/uploads/1/3/0/6/130640004/vubolatazikax.pdf
    • http://mystreetstamp.com/uploads/1/3/0/6/130621568/8d5935e8c25eef4.pdf
    • http://mta-sts.jtagaro.com/uploads/1/3/1/0/131070043/wozumo_vazuvovobodol_zinit_zisitezetivoz.pdf
    • http://www.maxgirouxpro.org/uploads/1/3/0/5/130539763/579904.pdf
    • http://tigglesgiggles.com/uploads/1/3/0/6/130621854/xabiwadewewug.pdf
    • http://exploretheway.net/uploads/1/3/0/4/130491703/8752654.pdf
    • http://mail.cleartheland.com/uploads/1/3/0/5/130551270/4792368.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_off00007397.bin
c1f8f148cdff43da97cc7328c4748e2a18f2979a5bea0696c70612542bdcfc33		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7397 9220 bytes

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