Malicious PDF — malware analysis report

Static analysis result for SHA-256 238be496cacbe442…

MALICIOUS

PDF

63.0 KB Created: 2020-06-06 05:47:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 93138bbaeb5f05e4363c3e8ce009639d SHA-1: dd2f70e1a4331408b8c4efca20b114b0701cb5ac SHA-256: 238be496cacbe442ccefffb8a2a1b3199f8a5a35692b2c64b2779e7dfd724acb
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of external links, many pointing to domains that appear to be part of a link farm. The primary URL, http://barworldtickets.com/uploads/1/3/0/2/130272925/130272925.html#t%25C3%25A0i+s%25E1%25BA%25A3n+cho+thu%25C3%25AA+th%25C3%25A2m+nh%25E1%25BA%25ADp+g%25E1%25BA%25A5p+%25C4%2591%25C3%25B4i+%25C4%2591, is likely a lure to a phishing or malware distribution site. No scripts were extracted, but the structure strongly suggests a malicious intent to redirect users.

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://barworldtickets.com/uploads/1/3/0/2/130272925/130272925.html#t%25C3%25A0i+s%25E1%25BA%25A3n+cho+thu%25C3%25AA+th%25C3%25A2m+nh%25E1%25BA%25ADp+g%25E1%25BA%25A5p+%25C4%2591%25C3%25B4i+%25C4%2591
    • http://tirocup.chicagotrainingcenter.org/uploads/1/3/0/5/130551096/wigagerip.pdf
    • http://messagefromralph.com/uploads/1/3/0/7/130740522/4215330.pdf
    • http://74-123-78-88.mgwnet.com/uploads/1/3/0/7/130775986/099cd413e.pdf
    • http://youngatheartdesigns.com/uploads/1/3/1/4/131483218/b7b341d.pdf
    • http://justframespix.com/uploads/1/3/0/9/130969411/gerusowumekofezeki.pdf
    • http://assumptaleesteere.com/uploads/1/3/1/8/131856311/24009faf34b95.pdf
    • http://clotildebremondavocat.fr/uploads/1/3/0/4/130483499/jowezoduwagonapupoj.pdf
    • http://mallorybusinesspark.com/uploads/1/3/0/5/130547024/xujifaw_mufazazuro.pdf
    • http://skateohcake.com/uploads/1/3/1/4/131411078/5677942.pdf
    • http://barworldtickets.com/uploads/1/3/0/2/130272925/terms.html
    • http://barworldtickets.com/uploads/1/3/0/2/130272925/dmca.html
    • http://barworldtickets.com/uploads/1/3/0/2/130272925/policy.html
    • https://bubigimuma.files.wordpress.com/2020/06/46072767215.pdf
    • https://xomakumugi.files.wordpress.com/2020/06/pibelenewavaw.pdf
    • https://napipavuk.files.wordpress.com/2020/06/kuxaxukawegozux.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_off0000b515.bin
058fed0baa2c6c74c78e2f11a9c65cd0d79f289c11b8d9ae79101fb28f59f541		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB515 25768 bytes

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