Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6e6429b3d665e8d…

MALICIOUS

PDF

53.1 KB Created: 2020-04-08 00:07:36 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 0602efb4b33710ec0ce4bfdd585dc21a SHA-1: 933beb070cebc0db860cca95670f17d36b637a35 SHA-256: a6e6429b3d665e8de852b1c523a30e4e242b017cd8876e578560fd592b0a4ab7
70 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or a method to distribute malicious content. The presence of a download button lure further supports a malicious intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://dckines.com/uploads/1/3/1/4/131408928/131408928.html#jobs+created+per+million+dollars+construction
    • http://mjkyarchitects.com/uploads/1/3/0/6/130604767/fimigexeluvazigirile.pdf
    • http://lanternsgame.net/uploads/1/3/0/5/130539170/7551925.pdf
    • http://waikatomorriscarclub.com/uploads/1/3/0/6/130640132/nidipabina_tevojizovonasu.pdf
    • http://deadtosintattooing.com/uploads/1/3/0/7/130776100/fekalipakasi.pdf
    • http://futuremigrations.org/uploads/1/3/0/7/130739780/4587089.pdf
    • http://iquiver.net/uploads/1/3/0/7/130776032/nelaxere-duwovazazi.pdf
    • http://sandinobg.com/uploads/1/3/0/2/130272892/rogubesuxumu-kukuk-pogowir-bekamuki.pdf
    • http://wixomcpa.com/uploads/1/3/0/2/130273983/zipakekutasejerebuxu.pdf
    • http://aharesidents.com/uploads/1/3/0/5/130539658/eaa2c.pdf
    • http://smithstead.com/uploads/1/3/0/3/130324063/wadetipu.pdf
    • http://bodiedbyshalee.com/uploads/1/3/1/1/131163859/583a0f4c2a7df.pdf
    • http://desertdancetheater.com/uploads/1/3/0/3/130379503/76108c95512c.pdf
    • http://reconinspections.us/uploads/1/3/0/3/130323145/veduxuzomisogof-negosojupiroxez-visovizusiwesaj.pdf
    • http://twelvethirtyfourfilms.com/uploads/1/3/0/8/130874276/nitezubexerini.pdf
    • http://yesyenn.com/uploads/1/3/0/4/130435844/sekufufoloso.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_off0000a780.bin
99f25458424ba862bd3733598d2b41b61ccd004f64363b5f8026a8e2556fb68c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA780 8088 bytes

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