Malicious PDF — malware analysis report

Static analysis result for SHA-256 d03007591cb72441…

MALICIOUS

PDF

32.5 KB Created: 2020-03-30 22:44:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 615d4456e3c3715889f2e3ba35d27fb4 SHA-1: 50253cb4d5a8eabc7ea6a8d10665c1bd37261532 SHA-256: d03007591cb724410fae8d292261a391107ede6abe72a626d462d6be798f5775
62 Risk Score

Malware Insights

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

This PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute further malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a mass of external PDF links. The document body itself is heavily obfuscated, but the presence of URLs suggests a redirection or download attempt. No scripts were extracted from this sample.

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://wilmingtonladiesteawalk.org/uploads/1/3/0/2/130271217/130271217.html#inoa+color+chart+2015
    • http://sminkguiden.com/uploads/1/3/0/3/130323277/6219016.pdf
    • http://safiasclothing.com/uploads/1/3/0/9/130969776/991828.pdf
    • http://golf4dreams.com/uploads/1/3/1/0/131071286/bivesamunabo.pdf
    • http://metamorphosisinblack.net/uploads/1/3/1/0/131069766/wusedaxivoda_ratutew_salujuj.pdf
    • http://batteryparkpreschool.com/uploads/1/3/0/4/130477448/2178593.pdf
    • http://beyondhillco.com/uploads/1/3/0/9/130969419/matasojux.pdf
    • http://jessespringsclothing.com/uploads/1/3/0/6/130604902/tolufizekowipuvofen.pdf
    • http://khanpurcrickettournament.com/uploads/1/3/0/5/130551882/domomajonazolejawul.pdf
    • http://evacamarenadesigns.com/uploads/1/3/0/6/130604824/fowonapilu_wimipo_milidalox.pdf
    • http://marjbates.com/uploads/1/3/0/5/130539091/88fcec6b0045d3.pdf
    • http://claudiaaceves.com/uploads/1/3/0/2/130271102/gitowexa_kojule.pdf
    • http://omerali.org/uploads/1/3/0/7/130739038/18142f0e.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_off00005756.bin
86a54c964ba075b8d08f1c7aa32803417ac2b5c8cdc00435a80a084405cf3146		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5756 7836 bytes

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