Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffd5f4e7097943f0…

MALICIOUS

PDF

46.0 KB Created: 2020-08-27 16:25:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 543752a1d177733b8e90bb3243651edb SHA-1: af4a92a0832487989f2f95ea7b756d531cc77a25 SHA-256: ffd5f4e7097943f07b6ed222cda4a0e710a4057f138cb03bdddf1b9084e693c8
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files, indicating a link farm. One of the primary links redirects to a known malicious URL, ttraff.cc. This suggests the document is designed to lure users into clicking malicious links, potentially leading to further compromise.

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/pify?keyword=producci%25C3%25B3n+primaria+y+transferencia+de+energ%25C3%25ADa
    • http://files.highway417-aviationtohuntclub.com/uploads/1/3/0/7/130775032/1420ad.pdf
    • http://sajavu.artvenya.com/uploads/1/3/0/8/130874493/xozezofedej.pdf
    • http://files.taunyapage.com/uploads/1/3/0/9/130969950/8729814.pdf
    • https://cdn.shopify.com/s/files/1/0438/1825/4498/files/addition_and_subtraction_worksheets_for_first_grade.pdf
    • https://cdn.shopify.com/s/files/1/0435/3402/4855/files/pokemon_omega_ruby_rom_for_citra_android.pdf
    • https://cdn.shopify.com/s/files/1/0428/2456/4902/files/emotional_intelligence_2._0_free.pdf
    • https://cdn.shopify.com/s/files/1/0429/0890/9734/files/19053748.pdf
    • https://cdn.shopify.com/s/files/1/0432/0775/3888/files/college_loan_calculator_excel_template.pdf
    • https://cdn.shopify.com/s/files/1/0433/2562/0374/files/12392696774.pdf
    • https://cdn.shopify.com/s/files/1/0441/2679/7976/files/vubuzixi.pdf
    • https://cdn.shopify.com/s/files/1/0431/9110/7742/files/nafefozubejakomelel.pdf
    • https://cdn.shopify.com/s/files/1/0436/9842/1913/files/john_deere_71_planter_manual.pdf
    • https://cdn.shopify.com/s/files/1/0447/9421/6599/files/bullet_raja_movie_free_hd.pdf
    • https://cdn.shopify.com/s/files/1/0437/6847/9906/files/tudefifowarogif.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_off00005cdd.bin
80506eebb7cbe7e1911034f0d8e725f8cce66bb0cd8a6f8e81079a2ecea8e10b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CDD 5736 bytes
font_01_sfnt_off00007010.bin
fdb85a97692a91ac5e1618d84d464bbaffa943c2cf67d5d757647693e4c1bbb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7010 10808 bytes
font_02_sfnt_off0000937d.bin
43dd7310e986e37c0562d6efd2a67b6291a0d41fa892ecd43b306c3e7231f7b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x937D 16148 bytes

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