Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8407f263d504167…

MALICIOUS

PDF

35.0 KB Created: 2020-04-11 12:26:36 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 565064ab184ff155ffb07bf865935c70 SHA-1: 3661f07a6d5d8148f76b397199949f1fb437f1b7 SHA-256: f8407f263d504167812e2db262d364806deabee1489a9c84b7fc2d73ac676787
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to other PDF files, suggesting a link farm for SEO manipulation or to host malicious content. One of the embedded URLs, http://careaidecommunity.com/uploads/1/3/0/6/130604255/130604255.html#roar+katy+perry+mp3+free+download, is presented as a lure for free music downloads. No scripts were extracted, limiting the analysis of direct malicious actions.

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://careaidecommunity.com/uploads/1/3/0/6/130604255/130604255.html#roar+katy+perry+mp3+free+download
    • http://thejivecabaret.com/uploads/1/3/0/2/130289244/webowakem_togujorido_sosipegelowuv_xofexelinonam.pdf
    • http://casadeltorosma.com/uploads/1/3/1/4/131408183/4c73386c491e5.pdf
    • http://athertonkeyclub.org/uploads/1/3/0/6/130621719/diguxezevobu.pdf
    • http://allisonbirkinbine.com/uploads/1/3/0/4/130435598/4327783.pdf
    • http://csglawnsaugusta.com/uploads/1/3/0/2/130287953/1974846.pdf
    • http://100phrases2freedom.com/uploads/1/3/1/0/131069910/zezifojuxarelomekix.pdf
    • http://digitaldealermarketingsolutions.com/uploads/1/3/1/4/131454603/0ca31af324.pdf
    • http://www.snottyties.com/uploads/1/3/1/3/131379530/dukorigevo-memuridegame-lijusup-xobukimepos.pdf
    • http://myoars.org/uploads/1/3/0/5/130540897/d87f07a65bd27.pdf
    • http://onehillfarm.com/uploads/1/3/1/1/131164564/7827071.pdf
    • http://myoars.org/uploads/1/3/
    • 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_off000060ce.bin
041ce1823c727668cf700bb23bc55ef92095966c9bf20cd5cb5873dd317d36e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60CE 7652 bytes

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