Malicious PDF — malware analysis report

Static analysis result for SHA-256 be92bf6e20e85c6e…

MALICIOUS

PDF

39.0 KB Created: 2020-03-27 03:59:02 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 765f3cfdb9b515220a8a6365370b5574 SHA-1: a424615049461933dee8de2ae76dab80cdbc382d SHA-256: be92bf6e20e85c6e47da15842be2e0565a5473c9e5a8b54153684fe845ac01bd
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 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, many of which appear to be part of a link farm strategy. The embedded document body text, though partially corrupted, contains a URL that is also present in the list of external links. This suggests the primary purpose is to direct users to a network of external sites, potentially for SEO manipulation or to host 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://5pointauto.com/uploads/1/3/0/8/130874162/130874162.html#grafica+movimiento+uniformemente+acelerado
    • http://mta-sts.mx.painfreetravels.com/uploads/1/3/0/7/130775017/341172.pdf
    • http://throwthrowburritos.org/uploads/1/3/0/6/130621201/6009f1da05d6d.pdf
    • http://stonerr.com/uploads/1/3/0/5/130539182/lagobukatawi_nojejesunetop_fuforufavafobe.pdf
    • http://clubxboxpodcast.com/uploads/1/3/0/2/130274376/ratoxasibo_werutekotubix_dijekuwuzoki_silafigusip.pdf
    • http://indytradesman.com/uploads/1/3/0/6/130639032/sikivowosubuje.pdf
    • http://sovonto.com/uploads/1/3/0/4/130483474/6070642.pdf
    • http://mainlineaddictionspecialist.com/uploads/1/3/0/3/130379589/wixanujikefami.pdf
    • http://jumbledbatter.com/uploads/1/3/0/2/130291485/ad393e7fa6fdef.pdf
    • http://www.alevelsciencesupport.com/uploads/1/3/0/6/130604729/fekexerukowuto-manaleluvaj.pdf
    • http://hostmaster.jandjstudio.co.uk/uploads/1/3/0/6/130620649/xogotogo.pdf
    • http://mail.lifechoiceprc.com/uploads/1/3/0/7/130740212/8daba8f522d.pdf
    • http://eclipsehairandbeautybytara.com/uploads/1/3/0/7/130775318/pokobanufekogef.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_off00006f71.bin
1d5a19399c912a2f4008579441877d549e6cc45ff80618abf8549267dbc65451		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F71 8784 bytes

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