Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ddd21e04c66cbf7…

MALICIOUS

PDF

43.9 KB Created: 2020-03-24 09:54:32 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 90c0560e0c70bd282f2d1f6968998eaf SHA-1: 9deb112cd4f5498f810cb2651d1cc0bef614dcb8 SHA-256: 1ddd21e04c66cbf7ccb807fa4a1815bfb5ba15ca5c33ab95f9829098188a77f3
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, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO poisoning tactic. The document body text, though partially corrupted, indicates a lure related to 'Fbat practice test miami dade'. The primary external URI points to a related HTML file, which likely hosts further malicious content or redirects. No scripts were extracted from this sample.

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://hudo.review/uploads/1/3/0/6/130639124/130639124.html#fbat+practice+test+miami+dade
    • http://www.zakinvestments.co/uploads/1/3/0/7/130738870/vogoleselibebofumiwe.pdf
    • http://clinicalqualityassured.com/uploads/1/3/0/5/130590295/kerikavapejedaw-toxuzusuke-tomota-rupegos.pdf
    • http://stlargus.com/uploads/1/3/0/6/130620601/lipomamopi_butozaxutibene_loburotaruzidug_jupukedeme.pdf
    • http://www.arivacahelpinghearts.com/uploads/1/3/0/7/130739829/b512a6df.pdf
    • http://www.mortgagecalculators.marketplacemortgage.com/uploads/1/3/0/7/130775244/4b6d75.pdf
    • http://consoliniereis.com/uploads/1/3/0/3/130312961/29f348a8.pdf
    • http://penleepointproperties.com/uploads/1/3/0/6/130605016/videbisagatide.pdf
    • http://visagenovel.com/uploads/1/3/0/7/130776607/tuwojiwedo.pdf
    • http://forkeepsbooks.co/uploads/1/3/0/8/130873902/refukepowotede.pdf
    • http://hostmaster.thestresshub.com/uploads/1/3/0/3/130379342/de2fb82ffdc008.pdf
    • http://mta-sts.allegraclark.com/uploads/1/3/0/9/130969825/lerebukonu-tibowom-mujaborofer-supirikib.pdf
    • http://siberiancatsco.com/uploads/1/3/0/5/130588256/fujefib.pdf
    • http://plastercovingshop.com/uploads/1/3/0/7/130738667/1805953.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_off00007a4c.bin
436d182ee2df3ef8005f12260305fb1d395a1cd5f20d49796b24837749a87d3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A4C 7812 bytes
font_01_sfnt_off000098a4.bin
171afb6bedcc13279c3ef12f27b89408156d7ab43f0646bcc70c5474be0cb90a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98A4 2636 bytes

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