Malicious PDF — malware analysis report

Static analysis result for SHA-256 1be088a7c1363281…

MALICIOUS

PDF

36.7 KB Created: 2020-04-08 05:07:23 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4dafb896d23ee2f01801b2c6f1373a93 SHA-1: eb3c98751fb3d0c28337dfdae97aa1a7891cc7b6 SHA-256: 1be088a7c1363281cddec2b2bea01b4591d4cbceb2c90df9165bb88667f0c012
62 Risk Score

Malware Insights

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

The PDF file contains numerous links to external websites, many of which follow a pattern suggestive of a link farm or SEO abuse. The document body, though partially corrupted, contains text related to 'Dibujos de papa noel en trineo para colorear' (Drawings of Santa Claus in a sleigh to color), which serves as a lure to disguise the malicious intent. The primary goal appears to be directing users to these external sites, likely for phishing or malware distribution.

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://culmerraphael.com/uploads/1/3/0/7/130739886/130739886.html#dibujos+de+papa+noel+en+trineo+para+colorear
    • http://3pfd.com/uploads/1/3/0/6/130604251/vosidid.pdf
    • http://cascademassageclinic.com/uploads/1/3/1/0/131070652/faduxem_vexajemak_lovewuv_nisaz.pdf
    • http://baguiosoundsrental.com/uploads/1/3/1/4/131483281/669132.pdf
    • http://bookjettech.com/uploads/1/3/0/7/130740092/4543193.pdf
    • http://glolh.org/uploads/1/3/0/5/130551303/regexuwata.pdf
    • http://sueinutah.com/uploads/1/3/0/5/130543059/fusanojumenonus_daxerap.pdf
    • http://jp2xmusicproductions.com/uploads/1/3/0/4/130435947/3633f9e2c94c3f.pdf
    • http://dennisanddanielle.com/uploads/1/3/0/7/130739196/sosuwawekoki.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_off00006610.bin
2f88249508ebc11e906ddbe50c542f59353765ae27673b4f6245ebe96971794d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6610 8096 bytes

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