Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6a7f8d2d08b8e2e…

MALICIOUS

PDF

85.3 KB Created: 2020-04-03 09:12:09 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7359efc46f98ee9e63172f07e1858f8c SHA-1: 9b035d31a079ec1cab47a29d0d2fe8b092928028 SHA-256: a6a7f8d2d08b8e2e0c8ed711f4136c12527213c49a08f24c6cd4985ce23c48a9
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which appear to be part of an SEO link farm. The document body, though heavily obfuscated, contains a URL that mirrors the suspicious link farm structure. This suggests the PDF is designed to manipulate search engine rankings or redirect users to malicious content hosted on numerous domains.

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://drpatty.net/uploads/1/3/0/7/130739076/130739076.html#game+of+thrones+season+8+dvd+uk+release+date
    • http://lodgeofstgeorge.com/uploads/1/3/0/7/130739000/ludaj.pdf
    • http://macabreitaliangregrounds.com/uploads/1/3/0/9/130969424/afe764.pdf
    • http://templetonlymphedema.com/uploads/1/3/0/4/130489418/d1708cfc8.pdf
    • http://bloomhw.com/uploads/1/3/0/4/130483200/solidizarafi.pdf
    • http://cashflowglow.com/uploads/1/3/0/2/130289485/546515f9c257bc.pdf
    • http://indusrealty.org/uploads/1/3/0/8/130813618/1f1db35a1d.pdf
    • http://ommo.tw/uploads/1/3/0/7/130739222/wukinunaragajomux.pdf
    • http://nuggins.net/uploads/1/3/0/8/130873876/konapebut-tusorunok-tevutu-wixadogogib.pdf
    • http://thisgirlsays.com/uploads/1/3/0/9/130969225/865248.pdf
    • http://dermadynamicsllc.com/uploads/1/3/0/5/130590618/adf77404c8d35a4.pdf
    • http://evilpandacorp.com/uploads/1/3/0/7/130739875/2171288.pdf
    • http://cmvvbuildersllc.com/uploads/1/3/1/4/131438876/6165470.pdf
    • http://topnotchbling.com/uploads/1/3/0/6/130640132/3143fdf.pdf
    • http://towingatascosa.com/uploads/1/3/1/4/131438195/tugaro.pdf
    • http://courtneyabrooks.com/uploads/1/3/0/2/130289745/zanazisaj_tosijo_ximawum_lodarizalogeret.pdf
    • http://stocksistarsummit.com/uploads/1/3/0/2/130289695/fewanofam_tuxegojebofu.pdf
    • http://solutionstoprotectwhatmatters.com/uploads/1/3/0/3/130313809/xusumerigadime_dotuma_tofovijofavo.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_off000121a0.bin
1c60cd53088dc27b5af61bdb9ad51d1ec9e89f10f276d7f8e1900a8d1db65b27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x121A0 10008 bytes

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