Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ee37080645cac61…

MALICIOUS

PDF

34.1 KB Created: 2020-06-07 18:27:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ec80ca33fb07322d4f160974ac9e82a SHA-1: fe29e511464600b0c7bfb3f60842cf0e2eede947 SHA-256: 4ee37080645cac612e846d4658793102ae13674ffa299c1fd467d91a638b3468
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, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, also contains embedded URLs. These links likely serve to redirect users to malicious websites or to engage in SEO spam tactics. No scripts were extracted, and the primary malicious activity appears to be link-based redirection.

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://podollangpis.devsite-1.com/uploads/1/3/0/2/130274091/130274091.html#atrav%25C3%25A9s+de+sangue+atrav%25C3%25A9s+de+pdf+de
    • http://mail.inkbycassie.com/uploads/1/3/0/7/130775587/pubanazilolokaji.pdf
    • http://worldmetamorphosis.com/uploads/1/3/0/5/130539107/3e65de870.pdf
    • http://sydneysuburbsghosthuntsandtours.com.au/uploads/1/3/0/8/130873932/zojalel-wibefusix-xeduxa.pdf
    • https://wonafuburos.files.wordpress.com/2020/06/5578287744.pdf
    • https://kewajobo.files.wordpress.com/2020/06/23294010829.pdf
    • https://xiwusafopopu.files.wordpress.com/2020/06/tuxusadasitewupora.pdf
    • https://josejoxoboko.files.wordpress.com/2020/06/vajuxamota.pdf
    • https://fokewofupipi.files.wordpress.com/2020/06/vogop.pdf
    • https://xodomibat.files.wordpress.com/2020/06/fapapudodepesikinizo.pdf
    • https://wikakavipej.files.wordpress.com/2020/06/suvixux.pdf
    • https://wowewuso.files.wordpress.com/2020/06/65005955818.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_off0000579b.bin
d4b63af7db916f78136a8eacefba37d38b5304ab1459f1b8ef3805c8a98fcf14		 pdf-font-stream PDF embedded font (sfnt) at offset 0x579B 10904 bytes

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