Malicious PDF — malware analysis report

Static analysis result for SHA-256 448065932dff6e3a…

MALICIOUS

PDF

46.4 KB Created: 2020-04-23 01:17:22 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: f0b0d6322dfbb423e9beb0a30fd7f86d SHA-1: d0c63a32d4a7344e0130d27b6d0bfaf317b7ea85 SHA-256: 448065932dff6e3aca143c375be890e15722722d9429b211a97546139186f04b
84 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The 'SE_CALLBACK_LURE' heuristic indicates a phishing or tech-support scam context, suggesting the links are intended to deceive the user. The document body, though heavily obfuscated, contains a URL consistent with the other extracted malicious links.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://shopbelfast.info/uploads/1/3/0/7/130740502/130740502.html#bomb+calorimeter+experiment+pdf
    • http://thistlerocknursery.com/uploads/1/3/1/4/131483361/susunazotatux_zofejod.pdf
    • http://beaufortpup.com/uploads/1/3/0/2/130273982/4009446.pdf
    • http://nejoudalyagout.com/uploads/1/3/1/1/131163747/kofenofun-kisefinegapet-losiwaporede-bigubiku.pdf
    • http://positiefsamenwerken.com/uploads/1/3/0/4/130483650/gigizi.pdf
    • http://sugarfestbakersfield.com/uploads/1/3/1/3/131398322/4094283.pdf
    • http://pncsupportservices.org/uploads/1/3/0/6/130604972/pogogipatiz.pdf
    • http://languageandlit.org/uploads/1/3/1/4/131455663/budigogok.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_off00008d0e.bin
de7434cde640b740be102786a23c0f1c78e5672b4550ce052458c1b69fccb68f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D0E 8656 bytes

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