Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdefcdd11514613a…

MALICIOUS

PDF

38.1 KB Created: 2020-05-14 01:47:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: add01f6980f3df4c855007d8db6c8a98 SHA-1: 16efe764a15f55e8848403e57d9bd1891e4541fc SHA-256: fdefcdd11514613ae526181aa385f6411dd0605ec135d3efb138e9b65e4cb5d8
70 Risk Score

Malware Insights

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

The PDF contains a lure text suggesting a 'free credit card authorisation form template', which aligns with the 'SE_INVOICE_LURE' heuristic. The primary function appears to be a link farm, directing users to numerous external PDF documents hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of these external links, suggesting a tactic to drive traffic or distribute further malicious content. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://faithbiblefellowshipbaptist.com/uploads/1/3/0/7/130739015/130739015.html#free+credit+card+authorisation+form+template
    • http://advantagehearingaidcenter.com/uploads/1/3/0/2/130270792/jagurodolaka.pdf
    • http://dogsoflittleton.com/uploads/1/3/1/3/131384359/waparinena.pdf
    • http://cbibf.org/uploads/1/3/0/2/130272548/92c2f60830.pdf
    • http://doxcapital.com/uploads/1/3/0/5/130551708/miwiwagofatumajita.pdf
    • http://regeneratefinancecompany.net/uploads/1/3/0/6/130620325/9a58355c331.pdf
    • http://digitalskysg.com/uploads/1/3/0/8/130873984/8028299.pdf
    • http://mcfallwebdesigns.com/uploads/1/3/0/6/130639254/5064951.pdf
    • http://chasingthedream.site/uploads/1/3/1/3/131379256/nizupolada.pdf
    • http://captainscutlawncare.com/uploads/1/3/1/3/131383652/didemibiwupat-dometukitunokif-kedukeroxikij.pdf
    • http://mid-westlng.net/uploads/1/3/0/8/130814337/cd7c2b4f4.pdf
    • http://serenityhousekeepingservices.com/uploads/1/3/1/4/131438055/norepisovuperima.pdf
    • http://orapamucha.com/uploads/1/3/1/4/131407846/pikireko.pdf
    • http://thewoodsumc.net/uploads/1/3/0/6/130639865/pejelagali.pdf
    • http://couleepops.com/uploads/1/3/1/4/131437937/3115048.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_off00006852.bin
124429fc17197146b4d2b25613b74c5b238d5ddb62e43a95d1da4ac7946100db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6852 10688 bytes

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