Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ca319aa40021aed…

MALICIOUS

PDF

39.4 KB Created: 2020-04-02 16:30:22 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: fe7a297e06751136c21f6b7c9421208c SHA-1: a70dd2875c416020c0a006cf4c7045221793296b SHA-256: 4ca319aa40021aed1dc857287f933addec7b8bff9719bd7090c9ce766300ebf2
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating the document's primary purpose is to drive traffic to a network of related domains. The embedded URLs and the document body text, though partially corrupted, reinforce the presence of these external links.

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://policetrailer.com/uploads/1/3/0/6/130604250/130604250.html#diana+hacker+a+pocket+style+manual+7th+edition
    • http://lulabysarah.com/uploads/1/3/0/7/130739875/samuzexaxuba-tazigawivogi-kezixos.pdf
    • http://flirtboutique.shop/uploads/1/3/0/7/130775009/tupuzekida.pdf
    • http://bestaudiobookplayer.com/uploads/1/3/0/4/130476814/xufuxewuvoko-firixop-nowujaverezije.pdf
    • http://kasawski.net/uploads/1/3/1/0/131070045/jigaxu.pdf
    • http://fielddaycreativeco.com/uploads/1/3/1/3/131379991/5293637.pdf
    • http://unasperladas.com/uploads/1/3/0/7/130775902/3558355.pdf
    • http://mannacrafts.com/uploads/1/3/1/4/131453036/2260904.pdf
    • http://tropicalliving.asia/uploads/1/3/0/7/130739224/4780261e0220b8.pdf
    • http://mysteriousancestor.com/uploads/1/3/0/6/130639935/vawelojakoriwowa.pdf
    • http://canna-coast.com/uploads/1/3/0/6/130604672/kepizi-geligaxi.pdf
    • http://mta-sts.mail.anamariamicu.com/uploads/1/3/0/3/130379363/surevefadubab.pdf
    • http://upanaloriri.com/uploads/1/3/0/5/130541445/65224eec82d99.pdf
    • http://cathyhepworth.com/uploads/1/3/0/4/130435562/51ba3fd1b7b.pdf
    • http://www.mindfulpathwaystohealing.com/uploads/1/3/0/7/130738871/9682405.pdf
    • http://fundraiserforattd.com/uploads/1/3/0/7/130739924/8c5c8ea3688e.pdf
    • http://aaronjchandler.com/uploads/1/3/0/5/130551687/a3cc4.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_off00007247.bin
fb71bad9f1777db84be263ba9541d31e3a011e0c47abc12d5fe38e7e3bc991a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7247 7672 bytes

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