Malicious PDF — malware analysis report

Static analysis result for SHA-256 472c667abba1fa12…

MALICIOUS

PDF

32.4 KB Created: 2020-03-09 00:41:07 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5526097150b60476d9c746305c13c2e3 SHA-1: 3ac9a8432d453bd851c77c5cb9b59822c789695c SHA-256: 472c667abba1fa129e9cb413361dab1b72b5684851556104843b77b3a0d2afe4
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO spam operation. The primary embedded URI points to a document titled 'Conjugate acid base pair chem worksheet 19-2', which is likely a lure to disguise the malicious intent. The file's structure and numerous outbound links indicate an attempt to drive traffic to potentially malicious or deceptive websites.

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://9mgr4.bpmtc.com/uploads/1/3/0/4/130476145/130476145.html#conjugate+acid+base+pair+chem+worksheet+19-2
    • http://tlceducationalservices.com/uploads/1/3/0/7/130776590/ccd6dd8e9696c.pdf
    • http://habit.buzz/uploads/1/3/0/7/130739509/bitupajanukodu_jaweses_mejirikaw.pdf
    • http://pacificoceanfreightin.us/uploads/1/3/0/6/130620530/gejegemipija_nabanedomemev_kelevin.pdf
    • http://www.jacobwholesalefoods.alfredschipsandsalsaexpress.com/uploads/1/3/0/5/130588188/zuxuxesog.pdf
    • http://susefarms.com/uploads/1/3/0/8/130873953/futatin.pdf
    • http://hibbingdmv.marketingfactorygroup.com/uploads/1/3/0/6/130621223/rawusibiluvab.pdf
    • http://trainerblueprint.com/uploads/1/3/0/7/130739895/150336d83ae2b2.pdf
    • http://www.zelusfx.com/uploads/1/3/0/6/130621873/4798214.pdf
    • http://datenightporn.com/uploads/1/3/0/4/130476168/kogovakobig.pdf
    • http://www.merchantadventures.com/uploads/1/3/0/5/130589396/poviwanifokated-forirojus.pdf
    • http://diamondoc.net/uploads/1/3/0/6/130605120/cbe3373.pdf
    • http://bluesmasters.club/uploads/1/3/0/8/130813536/4cf8b2.pdf
    • http://flourishdesign.ca/uploads/1/3/0/5/130543170/9556279.pdf
    • http://myinnerlightexperience.com/uploads/1/3/0/6/130639611/lugexixisuput.pdf
    • http://olnaturalhealth.ca/uploads/1/3/0/7/130776735/6388450.pdf
    • http://daxlabs.de/uploads/1/3/0/8/130874492/8460514.pdf
    • http://swappinghub.com/uploads/1/3/0/4/130488699/sokerajujuruv.pdf
    • http://rarebreedmuzak.com/uploads/1/3/0/7/130739660/edd0cbb46aa62a.pdf
    • http://actaspire.net/uploads/1/3/0/2/130274345/segijav.pdf
    • http://silberacheff.com/uploads/1/3/0/6/130639181/e06eb8.pdf
    • http://thevelvetfarm.com/uploads/1/3/0/6/130620423/poxav_nomikopa_vukuvo_ronopesat.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_off00005bf2.bin
06eabdc7e108a1c51c758eb99696278716754c55b36e0ae81c881eb2e1c885df		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BF2 5912 bytes

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