Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e2e2b3d306ec43f…

MALICIOUS

PDF

42.9 KB Created: 2020-09-06 06:09:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f5b27116dfa92013af8b42109c7bbe8 SHA-1: 51ba278ca12012880149990b165d8917847a6381 SHA-256: 9e2e2b3d306ec43fe7edb464ea6066d82f70c72208d0d30a3c00c2ce23169e6c
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, embedding numerous external URLs. One of these URLs, 'https://ttraff.link/pify?keyword=wolfenstein+the+new+order+trophy+guide', is identified as a malicious redirector. The document body, though partially corrupted, contains this URL and other links, suggesting an attempt to lure users to potentially harmful content. The presence of a link farm and a malicious redirector indicates a probable phishing or redirection 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.link/pify?keyword=wolfenstein+the+new+order+trophy+guide
    • https://static.usrfiles.com/ugd/efc97f_6242942ed5f24806a45f353603349e8b.pdf
    • https://static.usrfiles.com/ugd/3de8a6_2dd9423f6379449d8fb15c536088eda4.pdf
    • https://static.usrfiles.com/ugd/b8c837_9bec7f00dfa645c18488ffa75b96729d.pdf
    • https://cdn.shopify.com/s/files/1/0436/4327/3369/files/64193546858.pdf
    • https://cdn.shopify.com/s/files/1/0430/6495/0945/files/bazufulexu.pdf
    • https://cdn.shopify.com/s/files/1/0432/1853/4557/files/9376184337.pdf
    • https://static.usrfiles.com/ugd/d9d1f5_a377348ea6f74a43a253f730018e0dbc.pdf
    • https://static.usrfiles.com/ugd/5899d5_271f51012f4d4097a6fb5ec9827d837d.pdf
    • https://static.usrfiles.com/ugd/c068f8_125fcfdc67314838bf3f47d285f1562e.pdf
    • https://static.usrfiles.com/ugd/162fe6_e103db3e90b24528b2e15e3d7cad9853.pdf
    • https://static.usrfiles.com/ugd/8ff694_7bdaa1c3c0994515867e9aca503f8fbe.pdf
    • https://static.usrfiles.com/ugd/6f5f23_25367a6dcdbb4d9e9c8abdf4d6bf36f3.pdf
    • https://static.usrfiles.com/ugd/b8c837_b78f99b4222b4a828ab3645a0b5c9f49.pdf
    • https://static.usrfiles.com/ugd/b8c837_823f16bd4e6a43ed96410974cb865342.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_off00006964.bin
cbba37ffe3b5350c8e70df0b4372609b13ca0d256bc47fa50b51494b0b98c715		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6964 5300 bytes
font_01_sfnt_off00007b89.bin
3c6bef2ed80ad7c92095d2437602a0e589d9b5b8a3a19bcf773682333490c0a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B89 10284 bytes

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