Malicious PDF — malware analysis report

Static analysis result for SHA-256 9174851506b09c85…

MALICIOUS

PDF

40.0 KB Created: 2020-05-02 12:16:10 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 89c275dab892d75255e74fb5e135e829 SHA-1: 147560e1ea0677414e1fa447bcf84e6ffaeffd30 SHA-256: 9174851506b09c8568cbcf8ffd6479b31a7861843b338899d76b5613d009b1eb
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a PDF SEO link farm. The document body, though partially corrupted, contains text referencing 'Maple story v62 leveling guide' and the authoring application 'wkhtmltopdf', suggesting a lure to potentially malicious websites. The primary attack pattern involves redirecting users through a network of linked PDFs hosted on various domains.

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://division4llc.com/uploads/1/3/1/4/131406252/131406252.html#maple+story+v62+leveling+guide
    • http://doulainhudsonvalleynewyork.com/uploads/1/3/1/3/131398313/568a49d8e4.pdf
    • http://brownswoodworksllc.com/uploads/1/3/0/8/130874019/2214502.pdf
    • http://newstarlabs.com/uploads/1/3/0/6/130604903/parowunezamopiv_nemavuranokixa_tozokuxivejomi_maxopimoru.pdf
    • http://jjs-consulting.org/uploads/1/3/0/6/130621715/wonedejologubixoravi.pdf
    • http://theforestatbr.com/uploads/1/3/0/6/130620990/d189c8804.pdf
    • http://mailingdirectpays.com/uploads/1/3/0/4/130476054/narekumufi.pdf
    • http://nancyalopes.com/uploads/1/3/0/7/130740625/84349.pdf
    • http://moniquehosein.com/uploads/1/3/1/6/131636965/tepowu_wakiri_midoruvaxewajo_rovawigile.pdf
    • http://ltofficeequipment.com/uploads/1/3/1/4/131453927/1d5ec2f80721a.pdf
    • http://noskylegal.com/uploads/1/3/1/4/131438443/tuzabubo.pdf
    • http://ntstuff.com/uploads/1/3/0/5/130540458/e670a89eae2.pdf
    • http://shopminez.com/uploads/1/3/0/3/130379143/5268218.pdf
    • http://pestisorulauriu.com/uploads/1/3/0/3/130379074/nowinil.pdf
    • http://le7emepeche.net/uploads/1/3/0/5/130590481/fotakemoji_menigajoxot_biwizive_sirenafizudi.pdf
    • http://ellipseatlantic.com/uploads/1/3/0/7/130775529/653e63d7468b01.pdf
    • http://kathrinedawnwilliams.com/uploads/1/3/1/4/131413718/jaxavewa_gunaxefizewewok.pdf
    • http://mangobeach.biz/uploads/1/3/1/8/131858045/lusomap-buvixikiguvowax-jokefo.pdf
    • http://algaebookandpaper.com/uploads/1/3/1/8/131871786/473c405e10.pdf
    • http://pupinvogue.com/uploads/1/3/0/7/130776277/wejifosufisuwan.pdf
    • http://theultimatephysique.org/uploads/1/3/0/6/130620986/lavaruxagowu.pdf
    • http://leahhartner.com/uploads/1/3/0/2/130289301/5887542.pdf
    • http://kingranchhome.com/uploads/1/3/0/2/130289198/93b5b3.pdf
    • http://houseofmercyhostel.org/uploads/1/3/0/6/130640004/xisubutise-todatef.pdf
    • http://smartagingservices.net/uploads/1/3/1/3/131379189/saxizaxafe.pdf
    • http://mattinablue.com/uploads/1/3/0/4/130475992/8590776.pdf
    • http://ellipseatlantic.com/uploads/1/3/0/7/130775529/653e6
    • 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_off00007278.bin
c2b881a341b4358406bfee616a67b1536b8f9c14f259c101badbb9eb8d1090e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7278 8412 bytes

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