Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee168483bec03297…

MALICIOUS

PDF

42.9 KB Created: 2020-05-13 15:43:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a0042e8b215bb049f84337abb58c11b7 SHA-1: f33d897735b44498ae49434c470cc99b35a44f74 SHA-256: ee168483bec03297882bc410e9f661ed0be92cffc6126cbc52006cee2e54daa0
102 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: User Execution T1566 Phishing T1566.002 Phishing: Spearphishing Attachment

The PDF document contains numerous external links, many of which point to PDF files hosted on suspicious domains. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document likely prompts the user to install a browser extension or update to view content. This is a common social-engineering tactic to trick users into downloading malware or divulging credentials. The embedded URLs are likely part of this lure, directing users to malicious sites.

Heuristics 4

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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://wilmingtonladiesteawalk.org/uploads/1/3/0/3/130379315/130379315.html#x+vpn+chrome
    • http://fioleanltd.com/uploads/1/3/0/3/130323453/pagiwuvifexovux-furetebifezoput-xijuzabajimu-fipawirapovake.pdf
    • http://dewegvandeziel.net/uploads/1/3/0/5/130588430/vigufawogunag.pdf
    • http://kcc-online.com/uploads/1/3/0/7/130739864/78a62a75585f89.pdf
    • http://ziggycat.com/uploads/1/3/0/7/130738777/ed5cf99f99b4.pdf
    • http://yateslyfe.com/uploads/1/3/0/7/130775446/8663314.pdf
    • http://ardentartistmanagement.com/uploads/1/3/1/3/131382595/6037633.pdf
    • http://balineckandbackcentre.com/uploads/1/3/1/0/131070195/69d32ef9cfec8a.pdf
    • http://mozony.com/uploads/1/3/0/5/130546415/701a64747c335.pdf
    • http://peterspipes.ca/uploads/1/3/0/5/130590673/bupelired-semekup-bodero-moxazobeduva.pdf
    • http://yateslyfe.com/uploads/1/3/0/7/130775446/8663314.p
    • 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_off000063b5.bin
22abf3dba447e1deda328adea7664d4796ec595918b90659e534a2ae8da65498		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63B5 11332 bytes
font_01_sfnt_off00008ab1.bin
670be7b90497138287a6bd01c46805766b61ed5802602ace0a011236ebf6ef98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AB1 16316 bytes

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