Malicious PDF — malware analysis report

Static analysis result for SHA-256 c79800367e6d1081…

MALICIOUS

PDF

55.6 KB Created: 2020-03-28 05:25:51 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a4465a93fa28cc93ae2d6e7d489a850b SHA-1: e21af9e4ab23722c4cae9bea6cef21e9b359df81 SHA-256: c79800367e6d10811ba146f988c3646abeb1ddf0d6e8fb264158212bd92d8a91
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF document contains a large number of external links, many pointing to other PDF files, suggesting a link farm or SEO poisoning tactic. The document body, though partially corrupted, contains text related to product listings and includes a URL that appears to be a lure. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, consistent with callback phishing or tech support scams. No scripts were extracted from this sample.

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://kondra.ca/uploads/1/3/0/5/130546759/130546759.html#de%27longhi+pinguino+pac+ex120+silent+kaufen
    • http://camillemosesallen.com/uploads/1/3/0/6/130604500/mebebibavu.pdf
    • http://thebenefitsone.com/uploads/1/3/1/1/131164542/borulilezisexu_litidixipewatu.pdf
    • http://mspistone.com/uploads/1/3/0/3/130323908/c554553277.pdf
    • http://anzaplays.net/uploads/1/3/0/6/130620389/611532.pdf
    • http://www.ethiorestaurantandspice.com/uploads/1/3/0/5/130539912/komaxakamuga.pdf
    • http://149720937746621855.com/uploads/1/3/0/2/130289651/8882294.pdf
    • http://www.ten-years-later.com/uploads/1/3/0/6/130621298/ef73538c6.pdf
    • http://sqftestwo.com/uploads/1/3/0/5/130551343/foduwi_xupofatidaf_kupuxi.pdf
    • http://entrepreneursotop.com/uploads/1/3/0/8/130873795/vadit.pdf
    • http://dumfriestownband.co.uk/uploads/1/3/0/4/130476014/zuwovuwa-xufuzades.pdf
    • http://haccpseminar.com/uploads/1/3/0/5/130544878/suzogarox.pdf
    • http://freemindfreemarket.com/uploads/1/3/0/6/130621829/2386990.pdf
    • http://nativenationarts.com/uploads/1/3/0/6/130621732/3547192.pdf
    • http://myworldinanutshell.online/uploads/1/3/0/3/130323355/9c3338c9d76e.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000098cf.bin
eb969f620c9c4de94caed245d1a2625622db9be8cdaf7bbf959542fe23fa652c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98CF 9136 bytes
font_01_sfnt_off0000bb76.bin
0f23141ba94d37b49c53016ac63a9b008a6ac8e4c4656a8d80e6725f77750189		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBB76 16140 bytes

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