Malicious PDF — malware analysis report

Static analysis result for SHA-256 4fb417e28f5fbea8…

MALICIOUS

PDF

32.6 KB Created: 2020-04-21 23:31:51 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 51e9e0d995a1b4cd8a8e0eab2a1fec09 SHA-1: d1aa83b70c663596044f11e00cd6136c64323ee8 SHA-256: 4fb417e28f5fbea81a91affd20b2f85467fe1634fabdd0db409d20aef7c968cb
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though heavily obfuscated, contains URLs that appear to be part of this link farm. The primary intent seems to be directing users to potentially harmful external 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://kenraye.net/uploads/1/3/0/7/130776239/130776239.html#chak+de+india+video+song++bestwap
    • http://kikibrewster.com/uploads/1/3/0/9/130969212/8916747.pdf
    • http://inspiringhealthybodies.com/uploads/1/3/1/4/131406527/d76f1a2.pdf
    • http://anglohealth.com/uploads/1/3/0/2/130291527/6967947.pdf
    • http://pieintheskyflorida.org/uploads/1/3/0/2/130272591/begizod.pdf
    • http://leanneeverettphotography.com/uploads/1/3/0/5/130542775/jetagawuw.pdf
    • http://sweetlandrepair.com/uploads/1/3/1/3/131398373/3179130.pdf
    • http://tulicencia.info/uploads/1/3/0/6/130604767/finekudupifomim-kilajokelezuz-fagazawimeduda-xerisanidekole.pdf
    • http://shahwar.info/uploads/1/3/0/4/130490776/bebafipomow-zigikajevusola-vezido-sovig.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_off00005790.bin
74c896f30a7d1a925475693be5ca02eb5df7a41ce80bcae66753c65e27928fd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5790 7964 bytes

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