Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2752fdd6d2f6006…

MALICIOUS

PDF

41.2 KB Created: 2020-09-04 12:54:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66ccb358dcc683b83086d86bfed0c082 SHA-1: f4b2fcbca24b8d6922225929326fb316cee36e9a SHA-256: f2752fdd6d2f6006679dce2e9feb4c20a43780ff87e31adfa2cbd17c7e2ae4fd
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it is a malicious redirector link. The document body, though heavily obfuscated, contains text related to 'After effects motion graphics plugins free' and a URL pointing to 'ttraff.club', which is flagged as malicious. This suggests the document is designed to trick users into visiting a malicious site under the guise of providing free software resources.

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.club/wix?keyword=after+effects+motion+graphics+plugins+free
    • https://cdn.shopify.com/s/files/1/0437/2715/9445/files/understanding_comics_chapter_7.pdf
    • https://cdn.shopify.com/s/files/1/0431/9304/1059/files/58197798170.pdf
    • https://cdn.shopify.com/s/files/1/0430/3683/5993/files/chemistry_raymond_chang_11th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/bifewabev.pdf
    • https://cdn.shopify.com/s/files/1/0432/6529/4504/files/mists_of_avalon.pdf
    • https://static.usrfiles.com/ugd/b8c837_a811c98b19fb400c9221fc933725b746.pdf
    • https://cdn.shopify.com/s/files/1/0432/1535/6067/files/govavovajenoferosit.pdf
    • https://cdn.shopify.com/s/files/1/0431/6466/3967/files/failure_analysis_report_template.pdf
    • https://cdn.shopify.com/s/files/1/0431/9405/6861/files/ortopedia_maxilar_integral_camilo_hurtado.pdf
    • https://cdn.shopify.com/s/files/1/0433/3414/0072/files/difarekokupogetujejupofav.pdf
    • https://cdn.shopify.com/s/files/1/0435/5981/3279/files/82349507970.pdf
    • https://cdn.shopify.com/s/files/1/0435/4310/1591/files/mark_sheet_in_excel.pdf
    • https://cdn.shopify.com/s/files/1/0431/6292/7263/files/31815476898.pdf
    • https://cdn.shopify.com/s/files/1/0429/5363/8044/files/82372889183.pdf
    • https://cdn.shopify.com/s/files/1/0432/1283/2932/files/rocky_seven_rdr2.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_off00006314.bin
0add20b3615c570997fe32806b39216f320858ecba88493c79c56eb4368e6ec7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6314 5420 bytes
font_01_sfnt_off0000755e.bin
ee31fe67bfc61f0e4fd66c605e56dfb50dbe88e4a063c81e3cfc1c07827bb2ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x755E 10144 bytes

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