Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd3a74da95fab9fd…

MALICIOUS

PDF

42.6 KB Created: 2020-06-17 09:18:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5bb05b8b1d7298af8d2efcf6c3c15ee4 SHA-1: a8cc1633454cd76c35090cfb8570bd0ebf716718 SHA-256: fd3a74da95fab9fdca3b3ca95bf83fe7cf6f29620ac4b7abe36e9353b675e753
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, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The primary purpose appears to be directing users to external content, potentially malicious, through a deceptive document.

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://host44.carmichaelnl.com/uploads/1/3/0/5/130550948/130550948.html#en+15512+pdf
    • http://shop.fitnflourish.com/uploads/1/3/0/6/130604758/4406faa89428869.pdf
    • http://thegospelofstephensonmovie.com/uploads/1/3/0/6/130605162/9515127.pdf
    • http://mta-sts.alfredmontessori.com/uploads/1/3/1/3/131397955/5516264.pdf
    • http://t-i-d-b-i-t-s.com/uploads/1/3/1/6/131606346/bigusizetuku.pdf
    • http://missionbeachaustralia.com/uploads/1/3/0/4/130476671/3514002.pdf
    • http://coins4u.shop/uploads/1/3/1/4/131438127/e5d8ac25508202d.pdf
    • http://getyourcookies.org/uploads/1/3/0/2/130291779/xolosewikatoxa-gaxiwok-pupomude.pdf
    • http://ca2.campallen.org/uploads/1/3/0/7/130776105/cc3aa2eb.pdf
    • http://southwestcontracting.net/uploads/1/3/0/6/130604350/856bef9f2299963.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_off0000659f.bin
5c602409f7f149873df21e3c891e051c813e697831b25616781ecfdd3b714771		 pdf-font-stream PDF embedded font (sfnt) at offset 0x659F 4216 bytes
font_01_sfnt_off000073e6.bin
b1b4d22ee0d7188300b669d26b97562a9e1bac5802964da3b9a74ee59bd5f770		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73E6 13928 bytes

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