Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d16068838f39fd4…

MALICIOUS

PDF

39.6 KB Created: 2020-06-14 21:17:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7f23450205e578dca4c688324d4d7605 SHA-1: c585434ae481b4699fa7ec88a170df9195cf84c6 SHA-256: 8d16068838f39fd46d3bea0319241f0161f7ed1ec8c91c8696e77daeaa61232a
62 Risk Score

Malware Insights

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

The PDF document contains a significant 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 a distribution mechanism for further malicious content. The document body contains garbled text but also includes some of the URLs, reinforcing the link-heavy nature of the sample. No scripts were extracted, limiting the analysis of direct payload execution.

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://kayakadventuregear.com.au/uploads/1/3/1/4/131453695/131453695.html#martin+aura+manual
    • http://daviddostilio.com/uploads/1/3/1/3/131398573/0ba6e2.pdf
    • http://subterraneo.co/uploads/1/3/0/7/130775169/zakuse-mofotaxoba-jatutosebew.pdf
    • http://kasnia.org/uploads/1/3/0/7/130775169/xozopa.pdf
    • http://thirtyproof.com/uploads/1/3/0/6/130620800/seluril_zadugoginawoxik.pdf
    • http://mail.amellokindoflove.com/uploads/1/3/1/8/131856427/jesuxivisakekemefoxu.pdf
    • http://cpanel.placeoflight.net/uploads/1/3/0/8/130813588/sujapar.pdf
    • http://meadcontractingllc.com/uploads/1/3/0/2/130270799/f4b4da9434b20f.pdf
    • http://scottnewmedia.com/uploads/1/3/1/3/131380343/9915895.pdf
    • http://catsmemories.com/uploads/1/3/1/3/131380511/nazudukepul-xufamibifobituk-fubegumajizog.pdf
    • http://webdisk.coffeeloud.com/uploads/1/3/0/8/130874260/9286798.pdf
    • http://virla.co/uploads/1/3/0/3/130323377/12af56dafca39cc.pdf
    • https://duxijepur.files.wordpress.com/2020/06/wupeme.pdf
    • https://matafimado.files.wordpress.com/2020/06/94174193901.pdf
    • https://nizekifu.files.wordpress.com/2020/06/40312465568.pdf
    • https://vorapizogu.files.wordpress.com/2020/06/83912618675.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_off00006db6.bin
8ad770f7928851d8ba2481fc0b62c2386d2e7ff28de0cb471054d0c4a5e69bce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DB6 11076 bytes

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