Malicious PDF — malware analysis report

Static analysis result for SHA-256 d07250011fc7300c…

MALICIOUS

PDF

39.9 KB Created: 2020-08-24 23:19:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 88ea627da1c71253ab6e8c3c28cf8db3 SHA-1: dd510329a9cb392d4d820d304f2e218e934bf8dc SHA-256: d07250011fc7300c46c8a71c1030e7a50b38a8de3879b6d6e33d430e2ba84c85
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'CV template free with photo' and the malicious URL itself. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate malicious destination. The primary malicious URL is 'https://ttraff.com/pify?keyword=cv+template+free+with+photo'.

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.com/pify?keyword=cv+template+free+with+photo
    • http://vubof.groveselections.com/uploads/1/3/1/3/131382430/motojegidepikunofaru.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72905654063.pdf
    • https://cdn.shopify.com/s/files/1/0429/0094/7103/files/nuterebekowelidovatipex.pdf
    • https://cdn.shopify.com/s/files/1/0454/2945/7064/files/le_cogito_cartsien.pdf
    • https://cdn.shopify.com/s/files/1/0431/3199/4280/files/jitajakumetine.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2132/files/varikajudezoleji.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nitopufekuriwuk.pdf
    • https://cdn.shopify.com/s/files/1/0433/8447/1710/files/31833297285.pdf
    • https://cdn.shopify.com/s/files/1/0461/7673/1290/files/identifying_fiction_genres_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0437/1005/4554/files/cambridge_latin_course_unit_3_stage_tests.pdf
    • https://cdn.shopify.com/s/files/1/0434/0934/2621/files/59163685853.pdf
    • https://cdn.shopify.com/s/files/1/0432/5300/6494/files/kogijumawewofuxapaxirajaf.pdf
    • https://cdn.shopify.com/s/files/1/0427/8091/7926/files/daylight_maroon_5_sheet_music.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_off00005edd.bin
94abd86d102ddac682782f9590a91423d5052a8328b382009b0c4f117166e6bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EDD 5020 bytes
font_01_sfnt_off00006fe1.bin
4732aa974f3ec5ba83090ab83b4918190777a333f31325902cf162c40399d681		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FE1 10304 bytes

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