Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2cea77d363621eb…

MALICIOUS

PDF

35.9 KB Created: 2020-04-10 01:31:06 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 995a9cace8a2b7f66af7709e26475d12 SHA-1: 57bfaa3e5a5a0e4023d1bb58d710096032f8534b SHA-256: d2cea77d363621ebe90ec62a2d2099ef89c45c443ffd5f1887f375f5d80a071c
92 Risk Score

Malware Insights

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

The PDF document contains numerous external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though partially corrupted, includes a reference to 'hero academia kissmanga', suggesting a lure to attract users interested in such content. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates a malicious intent to host a large number of external links. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://artisan-trails.com/uploads/1/3/1/4/131406283/131406283.html#read+my+hero+academia+kissmanga
    • http://lcomputersupport.com/uploads/1/3/1/3/131381921/0d18d470091.pdf
    • http://blueglassllc.com/uploads/1/3/1/3/131398348/wapan.pdf
    • http://theritzhoteledinburgh.scot/uploads/1/3/0/2/130270924/finenatiri.pdf
    • http://wyldewares.com/uploads/1/3/1/3/131384791/lisozerimajo.pdf
    • http://chichidigital.com/uploads/1/3/0/4/130489926/98978edde.pdf
    • http://apacaim.org/uploads/1/3/1/3/131382248/4910582.pdf
    • http://mdphotography1967.com/uploads/1/3/0/5/130551166/webekosefevumute.pdf
    • http://photoshopanything.com/uploads/1/3/0/5/130550882/zaronigo-nogulupe.pdf
    • http://thelaughingcookie.com/uploads/1/3/0/8/130814597/kizarawig.pdf
    • http://annasmovers.com/uploads/1/3/1/3/131383821/fijow-jejelowiba-fokorogir.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_off000066be.bin
78814b949e0c646d1d1a904196372ded9791d51e894ccc09498392a0580ac411		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66BE 7096 bytes

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