Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ecee7624b4c016f…

MALICIOUS

PDF

42.2 KB Created: 2020-08-18 18:50:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6222f7d84d19bc5a5ec2d756762a2efa SHA-1: 512b7b07679df20d769c1b42b58d862d408212c1 SHA-256: 7ecee7624b4c016fd5281f4e73a7e9d80e6f902b4c6a0a6b0fbf55b79dd651b7
120 Risk Score

Malware Insights

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

The PDF contains a deceptive link presented as a tax form, which redirects to a known malicious domain (ttraff.com). This indicates a phishing or social engineering attempt to trick the user into visiting a harmful site. The document also contains a large number of embedded links, many pointing to Shopify, suggesting a link farm or SEO manipulation tactic to distribute the malicious URL.

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=ato+company+tax+return+form+2016
    • http://files.mooselovesu.com/uploads/1/3/0/7/130739143/jefaxuvoxopim-tejip-mewotaleridiso.pdf
    • https://cdn.shopify.com/s/files/1/0439/7318/1598/files/4779223028.pdf
    • https://cdn.shopify.com/s/files/1/0432/2079/5556/files/dryer_sheets_static_clothes.pdf
    • https://cdn.shopify.com/s/files/1/0428/4986/1791/files/apk_nox_emulator_for_pc.pdf
    • https://cdn.shopify.com/s/files/1/0431/8317/7887/files/cutting_edge_upper_intermediate_teacher_s_resource_book.pdf
    • https://cdn.shopify.com/s/files/1/0430/8077/7882/files/papusakatukuw.pdf
    • https://cdn.shopify.com/s/files/1/0432/9163/9966/files/tetalavizupuratokegoma.pdf
    • https://cdn.shopify.com/s/files/1/0434/4247/1064/files/gerodisigagitopaxiwevavu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6886/6212/files/50212161459.pdf
    • https://cdn.shopify.com/s/files/1/0438/6865/1680/files/mibimasatima.pdf
    • https://cdn.shopify.com/s/files/1/0433/5465/2821/files/49926288821.pdf
    • https://cdn.shopify.com/s/files/1/0432/4897/6027/files/formulaire_cession_de_ligne_sfr.pdf
    • https://cdn.shopify.com/s/files/1/0436/2724/9826/files/bigor.pdf
    • https://cdn.shopify.com/s/files/1/0433/9505/5777/files/minoxetiwopuketemonefubik.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_off000065ec.bin
4c6f92124c7eeb51d5dba78dd1c78b9679264a42899b525d9632eb7c2f4a823d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65EC 5592 bytes
font_01_sfnt_off000078f0.bin
20a338e4343bcf7253570ecf47af16f06ba4ef95906b7e3aa7cb91e85ab682ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78F0 10324 bytes

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