Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2ada132a41a8d28…

MALICIOUS

PDF

45.3 KB Created: 2020-04-12 23:22:37 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4e24cc2a53bcb4afb51fdc5819b5ab97 SHA-1: 62aab9736a793ebb453dd3c065f562311e1bb946 SHA-256: f2ada132a41a8d2852b41e5a270804b4a15b86729bcdeefe33cb086197aa5e71
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though heavily obfuscated, contains references to a 'jumbo universal remote control' and application details, suggesting a lure. The heuristic 'PDF_SEO_LINK_FARM' specifically indicates a mass of external links, with the primary domain being 'sugaringydney.com'. This suggests the PDF is designed to drive traffic to these external resources, likely for phishing or malware distribution.

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://koreleo.com/uploads/1/3/1/6/131637014/131637014.html#innovage+jumbo+universal+remote+control
    • http://sugaringydney.com/uploads/1/3/0/6/130604735/1596c.pdf
    • http://e-k-m.xyz/uploads/1/3/1/4/131452783/2a1573.pdf
    • http://propertyjust4u.com/uploads/1/3/1/3/131379118/9851222.pdf
    • http://wikiresumen.org/uploads/1/3/0/9/130969865/5608631.pdf
    • http://smi-neurolab.org/uploads/1/3/1/4/131453998/b05c14d0086b.pdf
    • http://lakecountyrecovers.org/uploads/1/3/0/5/130590244/zefefuno.pdf
    • http://paradisepropertiestn.com/uploads/1/3/0/5/130588347/245953.pdf
    • http://evangelizingyourself.com/uploads/1/3/1/1/131163914/pokewa.pdf
    • http://model-dream.com/uploads/1/3/1/4/131453649/d0331a764840.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_off0000890f.bin
bef685b260d71df97a9e62cd036a3cafe067628c56a31a9b90452bc1ce68c416		 pdf-font-stream PDF embedded font (sfnt) at offset 0x890F 8448 bytes

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