Malicious PDF — malware analysis report

Static analysis result for SHA-256 54201aec06516ee6…

MALICIOUS

PDF

41.7 KB Created: 2020-05-04 00:20:59 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5e621e49676c574f25c1e601dc82e9aa SHA-1: 9f812747ca91ebb5cd5b242a8ba4f28b88b0d1a3 SHA-256: 54201aec06516ee6b0d14d600b55d11952cf52bf66ba3acd8438d54cc814e6b1
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a significant number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The embedded document body text, though partially corrupted, contains a URL that points to a weather report, likely a lure. The primary function appears to be directing users to a large farm of other PDF files hosted across numerous domains, suggesting a link-farming or content distribution scheme.

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://tuitionhotsauce.com/uploads/1/3/1/4/131437335/131437335.html#weather+report+for+el+valle+golf+resort
    • http://acflegal.org/uploads/1/3/0/7/130739906/rutupojorepidifuwade.pdf
    • http://neilwperssoncpa.net/uploads/1/3/0/9/130969566/bubag-tarivujozigik-dijadavovoxe-sevave.pdf
    • http://sytenacity.com/uploads/1/3/1/3/131398591/59430320.pdf
    • http://espacioensepia.com/uploads/1/3/0/4/130488661/7474290.pdf
    • http://biblicalcounselingministries.org/uploads/1/3/0/4/130475918/2ab503861.pdf
    • http://monicarayscott.com/uploads/1/3/0/8/130813966/linoje.pdf
    • http://cherrydaleva.us/uploads/1/3/0/7/130740010/6d317.pdf
    • http://jeffhovel.com/uploads/1/3/0/6/130603866/c8c99ca3.pdf
    • http://themissymoreno.com/uploads/1/3/1/4/131408153/gopavir.pdf
    • http://millerjohnsonmedia.com/uploads/1/3/1/3/131398286/08c6e7cd14653f.pdf
    • http://fredimhoff.com/uploads/1/3/0/9/130969339/7321337.pdf
    • http://thepetiteproseccocompany.com/uploads/1/3/0/6/130621626/renijajepovan_safev_bawoxibijobigi_bevenaluwuvogo.pdf
    • http://getkushedout.com/uploads/1/3/0/8/130874053/golibiguge_zozipu_pefulesapak.pdf
    • http://coonhound.co/uploads/1/3/0/4/130488294/rotozipovemu.pdf
    • http://kaylasuzanne.org/uploads/1/3/0/5/130588674/fogataxoloboref.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off00007850.bin
ce71ea3c17e1c81d9df5ec31729a4b593123b64dd1a79b1a0287ba8c43350e9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7850 10652 bytes

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