Malicious PDF — malware analysis report

Static analysis result for SHA-256 47ee1116f9ab6813…

MALICIOUS

PDF

77.2 KB Created: 2020-08-07 15:28:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72d0d26c7e5a5141f252336e2ec7362b SHA-1: 532be4970c824c23b9260baac269d95fed06efe9 SHA-256: 47ee1116f9ab68133f1c75e3c277dc1672e382ca7d21ecb5e0750fe4656e1598
120 Risk Score

Malware Insights

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

The PDF file contains embedded links, with one pointing to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains text that appears to be a lure for a "Massey Ferguson 135 Haynes Manual". The presence of a link farm heuristic further suggests a malicious intent to drive traffic to potentially harmful sites.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.ru/wb?keyword=massey%20ferguson%20135%20haynes%20manual
    • http://files.nomadicwellness.com/uploads/1/3/1/3/131380841/533a358d324aa1.pdf
    • http://files.prettysbeauty.com/uploads/1/3/2/6/132682585/a6747b.pdf
    • http://files.leedsnorthdakota.com/uploads/1/3/1/1/131164047/xuxufil.pdf
    • https://cdn.shopify.com/s/files/1/0434/8330/0005/files/vizosijizalodatole.pdf
    • https://cdn.shopify.com/s/files/1/0429/4891/9450/files/frases_utiles_en_ingles_para_viajar.pdf
    • https://cdn.shopify.com/s/files/1/0430/6645/8266/files/dotevafepumiki.pdf
    • https://cdn.shopify.com/s/files/1/0435/7275/6648/files/jomadalodoxudo.pdf
    • https://cdn.shopify.com/s/files/1/0436/5815/0046/files/rodusevogefaganoxuzes.pdf
    • https://cdn.shopify.com/s/files/1/0431/7275/7668/files/xuziwi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23342697578.pdf
    • https://cdn.shopify.com/s/files/1/0432/6984/9246/files/jovaxip.pdf
    • https://cdn.shopify.com/s/files/1/0431/2272/0922/files/84783745629.pdf
    • https://cdn.shopify.com/s/files/1/0429/9587/6003/files/gonadisixijukusigiri.pdf
    • https://cdn.shopify.com/s/files/1/0430/7438/8119/files/32941904325.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_off0000e422.bin
4498b1c937edd5b2f204943dcbded3fa6c969f3d6fffb53eb21f131cf400159e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE422 5628 bytes
font_01_sfnt_off0000f73f.bin
663a8f58290053f095f9563c95e20ada4dbf18d0948e0795066f7fb3779a339e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF73F 15664 bytes

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