Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb12549d22a4b738…

MALICIOUS

PDF

37.4 KB Created: 2020-04-02 22:04:01 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a0c402a11bdf8545ec82c1f995ba335b SHA-1: 7ab226c886ff2d914523ec467c95c58d41c42392 SHA-256: eb12549d22a4b7386993e69cb0ba3145bed839d77c8e7636841b4b90b73a0131
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are dynamically generated and point to seemingly unrelated content, indicating a link farm or SEO spam tactic. The document body explicitly mentions "Vacation movie putlocker", suggesting a lure to potentially malicious or pirated content websites. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is part of a spam or phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://chuzhappy.com/uploads/1/3/0/4/130476669/130476669.html#vacation+movie+putlocker
    • http://thevisualnarrative.com/uploads/1/3/0/2/130289346/zibobopavo_wijopakob_tamotazepexevoj.pdf
    • http://lucidcitymusic.com/uploads/1/3/0/7/130738673/204191086e30.pdf
    • http://just-dough.net/uploads/1/3/0/6/130604154/1f1daaf3eda25.pdf
    • http://schippersmarkt.nl/uploads/1/3/0/6/130620602/virogexolimumu.pdf
    • http://claimsforward.com/uploads/1/3/0/7/130739154/03730263.pdf
    • http://brexitalliancegroupgla.uk/uploads/1/3/0/8/130874111/5f2017cc27.pdf
    • http://wendyscuriosities.com/uploads/1/3/1/1/131164455/zixiji_xiraduko.pdf
    • http://dentistaparacachorro.com/uploads/1/3/0/5/130589354/ripifotiza.pdf
    • http://woodandbrush.com/uploads/1/3/0/7/130775013/f157d732ab8db8.pdf
    • http://snailmailkits.com/uploads/1/3/0/3/130313004/7007952.pdf
    • http://dietofcolours.com/uploads/1/3/1/3/131379803/59e72ed.pdf
    • http://parramattacityband.com/uploads/1/3/0/5/130543092/dd2689f8.pdf
    • http://caitlin-garvey.com/uploads/1/3/0/3/130313098/ralapinirofox.pdf
    • http://elevatecareerconsulting.co/uploads/1/3/0/6/130604166/fabofekefofixu.pdf
    • http://dianeoshea.com/uploads/1/3/0/5/130542728/1112729.pdf
    • http://dogdayscoffee.com/uploads/1/3/0/7/130775838/xusovarimux-sigakoguwodu-boradol-lunires.pdf
    • http://kensingtonvalleyheartpc.com/uploads/1/3/0/3/130379181/mimazebobivex-fejevan-peretokepujuvel.pdf
    • http://campsitesidaho.com/uploads/1/3/0/6/130621665/wepopuguze-fumasepozadofu-sipamuzatalosir-pugibev.pdf
    • http://oakridge-academy-of-riding.com/uploads/1/3/0/6/130620763/2178783.pdf
    • http://drpamelawoods.com/uploads/1/3/1/0/131070458/buvasi_jinipomex_viparegi.pdf
    • http://newcolo120.calmon.com/uploads/1/3/0/8/130874474/folatidusefuru.pdf
    • http://nicolecthomaswrites.com/uploads/1/3/1/1/131163690/xoxegiramoxevubolu.pdf
    • http://justdashuri.com/uploads/1/3/0/5/130540700/617c58b4213.pdf
    • http://insight-instructional.com/uploads/1/3/0/3/130323996/lilixa.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_off000067a6.bin
ab910d5e018115cb789d01f238b07374603069ef44b54ee56e458fda0c7acbd1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67A6 8368 bytes

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