Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdcf0bf844f8fde5…

MALICIOUS

PDF

42.8 KB Created: 2020-03-22 07:37:44 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5a4a2ebf91ced352a5063c4c6351ad03 SHA-1: 5caeab29b2026111a4b705386d83d14bcd12c4f7 SHA-256: bdcf0bf844f8fde5c551432b4e143db19b7c65646ff6f3216bc45de11be8e91f
70 Risk Score

Malware Insights

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

The PDF document contains numerous external links, many of which point to other PDF files, suggesting a link farm or redirection scheme. The document body text and one of the extracted URLs indicate a lure related to 'mobile movies download 2019 mp4', likely intended to trick users into clicking malicious links. The presence of a 'Visual download / call-to-action button lure' heuristic further supports this. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://lennoxweb.com/uploads/1/3/0/8/130814601/130814601.html#mobile+movies+download+2019+mp4
    • http://gypsyweedlife.com/uploads/1/3/0/5/130550693/2517997.pdf
    • http://bus12.com/uploads/1/3/0/6/130604458/nafamesikir.pdf
    • http://findhardcover.com/uploads/1/3/0/4/130478106/falaka.pdf
    • http://ramacciato.com/uploads/1/3/0/6/130621664/ad5c9af327da.pdf
    • http://tableautieridf.com/uploads/1/3/0/6/130639513/fagir.pdf
    • http://austintxtherapists.com/uploads/1/3/0/2/130291355/c9c7fa818.pdf
    • http://seniorsmarthomes.com/uploads/1/3/0/7/130739419/zibalizegesimi.pdf
    • http://alkistiskaratzis.com/uploads/1/3/0/3/130313243/jonunopuxuzamireriba.pdf
    • http://herbtimeplus.com/uploads/1/3/0/7/130775907/guseziga.pdf
    • http://hmgraphics.info/uploads/1/3/0/5/130588202/4109713.pdf
    • http://michaelzinnilaw.com/uploads/1/3/0/6/130604091/4886120.pdf
    • http://gifsagainsthumanity.com/uploads/1/3/0/6/130621464/bazupo-xatumibajot.pdf
    • http://keycores.com/uploads/1/3/0/2/130271113/3273155.pdf
    • http://mx.yarmouthportlibrary.org/uploads/1/3/0/2/130289509/d036a.pdf
    • http://antmacgroup.com/uploads/1/3/0/2/130272985/6619962.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_off000073f6.bin
de12253a7379211baf111ce0018757d11cc6a53eaffb1abcc2af75ebd7b6bab2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73F6 8072 bytes
font_01_sfnt_off00009367.bin
54d41b2098d5b730dfe5cae5f637595b5c28c0fa6f902d2b9b0a03fac37f34be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9367 2848 bytes

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