Malicious PDF — malware analysis report

Static analysis result for SHA-256 d908a6dad4c30f09…

MALICIOUS

PDF

35.2 KB Created: 2020-04-24 22:58:11 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 695a0ed8f27a7c3f357dbcd4bc1b5605 SHA-1: fbc9758f4329edc1e0cd52319ff57007f67642e8 SHA-256: d908a6dad4c30f0947d1f919fdb906f811e2c760a7214b2f6a3178f51b3a834b
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body, though partially corrupted, includes text suggesting it is an annual report, which is a common lure. The embedded links likely lead to malicious content or phishing pages, aiming to deceive the user into clicking them.

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://austillaviation.com/uploads/1/3/0/4/130476054/130476054.html#chorley+building+society+annual+report+2018
    • http://jetoilresources.com/uploads/1/3/0/2/130289380/lojinerofas.pdf
    • http://spartanhouse.net/uploads/1/3/0/5/130551986/jixiso.pdf
    • http://earthsoffspring.com/uploads/1/3/1/4/131453416/gimij_lafivefem_jazotidifedo_vuxorunowarir.pdf
    • http://zahnallianz.de/uploads/1/3/0/2/130289294/dotoxuwokibira.pdf
    • http://topsyturvyfitness.ca/uploads/1/3/1/4/131483197/lijipineputo_lupelegogen.pdf
    • http://stay-brave.com/uploads/1/3/0/3/130313144/1108035.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_off00004f80.bin
5838c28b38cd55302ad6dd3b899e5e6e39e09279f88ece182c88fc081fc2b63d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F80 7192 bytes
font_01_sfnt_off00006be1.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE1 16036 bytes

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