Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6e88db1e5db357a…

MALICIOUS

PDF

45.0 KB Created: 2020-03-24 09:56:29 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 41f616e9c5110ed2cd900e74076572f2 SHA-1: d96063a1b1b6f539ba7e75c65310621dfec6292d SHA-256: c6e88db1e5db357a77c8f7351d13db81fa7ee7e1cd0c448da097f7099fdc1a59
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. These links point to various domains, suggesting a link farm or SEO poisoning tactic to drive traffic to potentially malicious content. The document body contains garbled text and a reference to a stroller, which may be a lure. 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://workinghusband.com/uploads/1/3/0/8/130814393/130814393.html#graco+snugride+30+stroller
    • http://chaplainkelly.com/uploads/1/3/0/4/130436173/biduxenuruku.pdf
    • http://r9.justinecandoit.com/uploads/1/3/0/8/130814060/7b80e1de120379.pdf
    • http://laurascaligine.com/uploads/1/3/0/7/130739090/4800568.pdf
    • http://mail.raeraesbakery.com/uploads/1/3/0/2/130272080/tegejakitobo_poxuk_mubulu_tomenaxiriwepaz.pdf
    • http://carpetcleaningservicesla.com/uploads/1/3/0/4/130435516/jituvofemozobif-fuvevir.pdf
    • http://uwwsales.com/uploads/1/3/0/8/130874330/fatumagozab.pdf
    • http://slowurscroll.com/uploads/1/3/0/9/130969981/zurotuvaxugunole.pdf
    • http://hostmaster.lehayet.com/uploads/1/3/0/4/130489025/kamufuvo.pdf
    • http://serviziaeroportualisas.it/uploads/1/3/0/2/130272080/xemole-somasejutume.pdf
    • http://www.martinklass.com/uploads/1/3/0/4/130483043/d0682.pdf
    • http://damelec.net/uploads/1/3/0/6/130621137/3776220.pdf
    • http://crumbsycookie.com/uploads/1/3/0/8/130873973/2456914.pdf
    • http://www.nanba-ryu.com/uploads/1/3/0/6/130621915/c47164662ae.pdf
    • http://skyeboundconstructions.com/uploads/1/3/0/8/130814586/texawizavudabisuxex.pdf
    • http://mail.rcbnorthwestern.com/uploads/1/3/0/7/130738861/lalafuzik_fakebojo_vonuwijufibagi_xokugupatum.pdf
    • http://www.graceholland.net/uploads/1/3/0/5/130589099/1d5dd6d1a68.pdf
    • http://enlivenwall.com/uploads/1/3/0/4/130435881/881062d.pdf
    • http://newgrowthhealth.com/uploads/1/3/0/5/130551429/buwodurijo-tinegipaxow-mogazavudubixev.pdf
    • http://ekcoelearningcommons.com/uploads/1/3/0/4/130476045/94587b03b.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_off00006f46.bin
541b1cf3d0ab8d80582d6a085be9236a65292627994ba6d533c1e6126caddfeb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F46 9052 bytes
font_01_sfnt_off0000919f.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x919F 16036 bytes

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