Malicious PDF — malware analysis report

Static analysis result for SHA-256 19ea0f5558fafe7d…

MALICIOUS

PDF

40.2 KB Created: 2020-08-31 01:01:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 934b3fb514cf34eaa548494a4f409f62 SHA-1: 22672bd89a494cbd9836ada1c4530c0f791199e3 SHA-256: 19ea0f5558fafe7d7f0ef4349aa5b7cb539ff2a3d63dbbe121e2fe76720e5fdf
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/wix?keyword=the+traveler%2527s+gift+free+download'. This indicates an attempt to redirect the user to a malicious site. The document body also contains this URL and a large number of other PDF links, suggesting a link farm or a lure for further malicious content. No scripts were extracted from this sample.

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.cc/wix?keyword=the+traveler%2527s+gift+free+download
    • https://static.usrfiles.com/ugd/b8c837_642773ac15ce4b6585d5d3bfa5f34a20.pdf
    • https://static.usrfiles.com/ugd/0c41e7_8435f240a54c40b198b565436504d8c2.pdf
    • https://static.usrfiles.com/ugd/e23fbb_f09902efbafd4474bb206b1c0dcfb4e2.pdf
    • https://static.usrfiles.com/ugd/ea78e0_08902737da274593be2d4ec2b2535bed.pdf
    • https://static.usrfiles.com/ugd/b8c837_72ac287dc92f407fb616400383bbedd3.pdf
    • https://static.usrfiles.com/ugd/0d9a50_6fc3b90173ba4ed2b3c80364acc494e9.pdf
    • https://cdn.shopify.com/s/files/1/0432/5448/1054/files/bizumibekofelomor.pdf
    • https://cdn.shopify.com/s/files/1/0435/3461/4688/files/aptitude_test_questions_and_answers_in_marathi.pdf
    • https://cdn.shopify.com/s/files/1/0439/3569/5016/files/wordly_wise_book_8_lesson_4.pdf
    • https://cdn.shopify.com/s/files/1/0428/5703/7990/files/91706841637.pdf
    • https://cdn.shopify.com/s/files/1/0432/1778/0896/files/zobimirepuwizezus.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_off00005ef2.bin
384fc371367c0944978f64a8319e73c05c216f017f41ad40c9b395a42e41add0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EF2 5304 bytes
font_01_sfnt_off00007111.bin
bbc432eb53582670fe6e1f22ac48ffab297b151e96b53e5b65d5f8202d184ee9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7111 10324 bytes

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