Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c6e766094bbdd59…

MALICIOUS

PDF

40.9 KB Created: 2020-09-01 14:39:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 963640857d7bef069ef90e18528c059f SHA-1: 445a91cb2972624bc5f3d2dd0819b94fc25a11cf SHA-256: 1c6e766094bbdd59d57a8c8c75a7c58a05f2b453d2606a8d974c7daff1c0c471
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm designed to redirect users to malicious infrastructure. One of the primary URLs identified, 'https://ttraff.ru/wix?keyword=action+blaster+movie', is flagged as a malicious redirector. The document body contains garbled text but includes the same malicious URL, suggesting an attempt to obscure the true nature of the links. No scripts were extracted, but the PDF structure and heuristics strongly indicate a redirection-based attack.

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/wix?keyword=action+blaster+movie
    • https://cdn.shopify.com/s/files/1/0434/1825/5510/files/82225994511.pdf
    • https://cdn.shopify.com/s/files/1/0430/5915/1009/files/carbon_sequestration_in_agroforestry_systems.pdf
    • https://cdn.shopify.com/s/files/1/0431/7678/8117/files/73723537243.pdf
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/18792129698.pdf
    • https://cdn.shopify.com/s/files/1/0429/1903/5033/files/406906188.pdf
    • https://cdn.shopify.com/s/files/1/0435/7079/0558/files/biwokajusej.pdf
    • https://cdn.shopify.com/s/files/1/0429/2473/6678/files/35552854012.pdf
    • https://cdn.shopify.com/s/files/1/0432/5877/3662/files/kulalazubatujapixuwupawu.pdf
    • https://static.usrfiles.com/ugd/4479ed_3b69b6c571b64b5ea383907847f3da3f.pdf
    • https://static.usrfiles.com/ugd/e5a943_7d815ba726254391a86043272ec3116d.pdf
    • https://static.usrfiles.com/ugd/63d3ad_ccaa1580f7c74d3f85d864da873e8cb4.pdf
    • https://cdn.shopify.com/s/files/1/0434/5554/5497/files/26173089877.pdf
    • https://cdn.shopify.com/s/files/1/0427/6797/4556/files/amway_nutrilite_products_price_list.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000056f5.bin
1ea6ffb45dca73641041182053c315c8e9b1708f7127563c14daef2a056db703		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56F5 4924 bytes
font_01_sfnt_off00006787.bin
d1dd506aab9b6bc65080093110e0722b79fc15fc56ecfefd14d09cc5c4cc4f33		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6787 9784 bytes
font_02_sfnt_off000088f6.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88F6 4324 bytes

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