Malicious PDF — malware analysis report

Static analysis result for SHA-256 3565c2c776527525…

MALICIOUS

PDF

35.2 KB Created: 2020-04-12 02:15:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7fda2570ffc48c1d5f36f8f8b3a5765d SHA-1: 58c6bba11efb826864dc9d1d412de09b0dc65489 SHA-256: 3565c2c77652752561f2a4b5ac4f07bbc5bf1810a9b39691ec9e03193d8b8f1b
62 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a link farm, indicating a large number of external links. The document body, though partially corrupted, suggests a lure related to 'pediatric seizures treatment'. The embedded URLs point to various domains, many of which appear to be part of a link farm designed to distribute malicious content or conduct phishing. 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://messagesfromthedivine.org/uploads/1/3/0/3/130313468/130313468.html#crisis+convulsivas+en+pediatria+tratamiento
    • http://bag2thebone.com/uploads/1/3/0/5/130539203/moloso-naran-gexigoxa.pdf
    • http://thepioneercrafthouse.com/uploads/1/3/0/5/130551155/70d08.pdf
    • http://landjspantry.com/uploads/1/3/0/5/130539696/f6c4b0fd71948a9.pdf
    • http://tntflooringllc.com/uploads/1/3/1/3/131378932/f8935bc8c465.pdf
    • http://jwupvdeco.com/uploads/1/3/0/3/130323355/wivaroxofi.pdf
    • http://huguniversity.net/uploads/1/3/0/9/130969597/439c365.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_off00006132.bin
7b897f46e761d5239795f64a701534dc3ad2275c5868cafce9609d8c2b3b81a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6132 8256 bytes

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