Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3bab76a6df45103…

MALICIOUS

PDF

48.6 KB Created: 2020-03-30 09:55:14 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9114678ab184df5dc7f2780516984c99 SHA-1: 034de2101a7c2c477b0fc731bbcec92226d79581 SHA-256: e3bab76a6df45103fc459034119b9a9d03c4f978c2b8711c63f3b447514d5474
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The document body, though partially corrupted, contains references to these external URLs. The primary function appears to be directing users to a network of linked PDF documents hosted on various domains, potentially for SEO manipulation or to serve as a distribution point for further malicious content.

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://74-123-72-53.mgwnet.com/uploads/1/3/0/7/130775047/130775047.html#un+resumen+de+inteligencia+emocional+libro
    • http://windsorsjanitorialexperts.com/uploads/1/3/0/7/130775197/6959085.pdf
    • http://syzygyservicesllc.com/uploads/1/3/0/7/130739655/4f7abc340815d.pdf
    • http://grayandcoprints.com/uploads/1/3/0/7/130776693/1de3337f9502e5e.pdf
    • http://bearstedbulletin.com/uploads/1/3/0/4/130490928/wokava.pdf
    • http://lotusmobiledetailing.ca/uploads/1/3/0/7/130739549/kojafipenisusob_gunesijej.pdf
    • http://ambivalent-corp.com/uploads/1/3/0/6/130621963/zosafefuvajurow.pdf
    • http://mygraphicdesignteam.com/uploads/1/3/0/7/130775164/ludawugawe-zosopemizoxekij-jixopanomunuke.pdf
    • http://shinecleaningservices.org/uploads/1/3/0/3/130313746/5103180.pdf
    • http://icgglobal.org/uploads/1/3/0/2/130271080/232f354ae351d.pdf
    • http://enamelchannel.com/uploads/1/3/0/6/130622092/jewar.pdf
    • http://qyetstorm.com/uploads/1/3/0/5/130550911/adb47161.pdf
    • http://thriveandnourish.com/uploads/1/3/0/7/130739430/pevobaju.pdf
    • http://sherilynart.com/uploads/1/3/0/7/130775025/worite_sikagun.pdf
    • http://indiscernibletyranny.com/uploads/1/3/0/5/130541313/sigeraxuw_fetam.pdf
    • http://artistrybyaren.com/uploads/1/3/0/5/130588787/f3d11.pdf
    • http://bodybeautifulesthetics.com/uploads/1/3/0/5/130589393/puwirexaketamas-fawas-fifevisasugez-zujexab.pdf
    • http://vivtransoline.biz/uploads/1/3/0/3/130323767/7ab41d2d7177.pdf
    • http://arttherapycatemp.com/uploads/1/3/0/4/130483507/gejilibodexarulakuri.pdf
    • http://activekidzyoga.com/uploads/1/3/0/6/130604549/8475414.pdf
    • http://marchharesalon.com/uploads/1/3/0/4/130490117/faseluv_kewamepexikuruk.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_off00008fbb.bin
f7cd7249e78155807f83760ea460aa4b5e8f977573895eba605faeef079419ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FBB 9900 bytes

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