Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1cf2167481a0930…

MALICIOUS

PDF

43.9 KB Created: 2020-03-11 15:23:15 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 84532f4396677e20eb7e83600f8f754d SHA-1: 5fda756ec5705865aa5e20a728362319f7ab29bf SHA-256: d1cf2167481a09308e1063c89bca8d18ed022f3f77e9495db060bc9b53e9fa5d
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, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body, though partially corrupted, contains text related to teaching young learners and also includes several of these external URLs. This indicates a likely attempt to lure users to malicious websites, potentially for phishing or malware distribution. 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://pl2mu.slpny.com/uploads/1/3/0/6/130621906/130621906.html#the+main+principles+of+teaching+speaking+to+young+learners
    • http://rigel4.com/uploads/1/3/0/7/130776702/vodovuwetu.pdf
    • http://mariedowyn.com/uploads/1/3/0/4/130488338/fadefin-wifex-podop-pujok.pdf
    • http://dulcebesitos.com/uploads/1/3/0/3/130379430/44f77.pdf
    • http://www.seasideproperty.eu/uploads/1/3/0/9/130969243/9207a3.pdf
    • http://puppyliks.com/uploads/1/3/0/3/130313199/3591246.pdf
    • http://jschrackco.com/uploads/1/3/0/7/130740026/pageraxelapotolivup.pdf
    • http://www.otatc.com/uploads/1/3/0/5/130543575/9571000.pdf
    • http://ronawall.com/uploads/1/3/0/3/130379604/pexisubexobuz-sasedugikibaxo-naluwoguxox.pdf
    • http://musclegear-asia.com/uploads/1/3/0/6/130622047/paxosogemiwefisivot.pdf
    • http://www.splurgebodyworks.com/uploads/1/3/0/7/130739294/5214066.pdf
    • http://ooredooindonesia.net/uploads/1/3/0/5/130588806/439589.pdf
    • http://jrtinting.com/uploads/1/3/0/2/130289397/e970a.pdf
    • http://world2.monstersgame.hu/uploads/1/3/0/6/130604388/bejaxuwogefi.pdf
    • http://rechtspraak-republieknl-aarde.space/uploads/1/3/0/3/130379447/d8e53.pdf
    • http://cpanel.lambersfisher.com/uploads/1/3/0/2/130289745/dawanuvugegob.pdf
    • http://www.10-4inspection.com/uploads/1/3/0/2/130272905/xewonafajokowo.pdf
    • http://journeytomormonism.com/uploads/1/3/0/4/130488736/1543992.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000079d9.bin
7693f38f856b7ebd5dd9001924672780c1660b3c3ad58451ecc7020683a24bab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79D9 1904 bytes
font_01_sfnt_off0000826f.bin
9614423c0b8086937cd889001bcca3baa04c8105d47303ade350b3264f3c9232		 pdf-font-stream PDF embedded font (sfnt) at offset 0x826F 8060 bytes

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