Malicious PDF — malware analysis report

Static analysis result for SHA-256 e87565229c818aea…

MALICIOUS

PDF

41.4 KB Created: 2020-09-01 19:50:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e142bedd711bd46ca1c8e5d61806aa5 SHA-1: 5a72fcac38dad59ad606c511de6f63230667f6f2 SHA-256: e87565229c818aea382a8fc5098524d4e270e77a42030d1562858308372c68dc
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=anari+full+movie+3gp+free'. The document body also contains this URL and numerous other links to PDF files hosted on Shopify, suggesting a link farm for SEO poisoning or traffic generation. The primary malicious link is likely intended to redirect users to a malicious site, potentially for phishing or malware delivery.

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=anari+full+movie+3gp+free
    • https://cdn.shopify.com/s/files/1/0430/5669/3397/files/watome.pdf
    • https://cdn.shopify.com/s/files/1/0432/7243/7910/files/powugi.pdf
    • https://cdn.shopify.com/s/files/1/0433/5144/1560/files/sutifinekugixekovoz.pdf
    • https://cdn.shopify.com/s/files/1/0430/4646/9793/files/vonusixulekediwitaje.pdf
    • https://cdn.shopify.com/s/files/1/0431/3127/3365/files/97246925398.pdf
    • https://static.usrfiles.com/ugd/0d089b_ade068e6f74647718873fedef44bb984.pdf
    • https://static.usrfiles.com/ugd/b8c837_cc7a68105eab4662814b48350b85eaa7.pdf
    • https://static.usrfiles.com/ugd/625844_fcbc56ea028646479143d39600cbf232.pdf
    • https://cdn.shopify.com/s/files/1/0436/1984/4258/files/48550714167.pdf
    • https://cdn.shopify.com/s/files/1/0435/2979/7787/files/26171368758.pdf
    • https://cdn.shopify.com/s/files/1/0434/8156/3286/files/wipatepovuzekaxige.pdf
    • https://cdn.shopify.com/s/files/1/0428/7230/7875/files/losewubolo.pdf
    • https://cdn.shopify.com/s/files/1/0427/4854/3142/files/77435866642.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_off0000565e.bin
4532a01ab6f306c09ed2b2b441d9ed42764644fcde4da082836113f92feb3b30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x565E 5056 bytes
font_01_sfnt_off0000677c.bin
fd676eac103db8833875d6683dac8b144777577a6a5c7f41df1d0929ce04bf9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x677C 10388 bytes
font_02_sfnt_off00008b1b.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B1B 4324 bytes

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