Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7e47a982f6f0d30…

MALICIOUS

PDF

37.2 KB Created: 2020-08-23 23:19:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff9cf8d4801ea985779e0a58b34b7c75 SHA-1: 1d7d3f8e9a74fb39cec4ee77168bdbab1dd4a4d8 SHA-256: d7e47a982f6f0d306d7294dc4f731b360225da31731f19336c9663f3675113c1
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Australia immigration form 929' and the malicious URL itself. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm designed to attract traffic or distribute malicious content.

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=australia+immigration+form+929
    • http://files.thewhitefamilyreunionisaiahcarrie.com/uploads/1/3/1/0/131070508/fa05d63.pdf
    • https://cdn.shopify.com/s/files/1/0453/6195/4971/files/29613441058.pdf
    • https://cdn.shopify.com/s/files/1/0451/7563/6119/files/gevikidifewabogudiwenobe.pdf
    • https://cdn.shopify.com/s/files/1/0433/6533/5208/files/lizusirogi.pdf
    • https://cdn.shopify.com/s/files/1/0430/8611/9079/files/wulikasato.pdf
    • https://cdn.shopify.com/s/files/1/0439/0433/6027/files/free_template_bootstrap_4_admin.pdf
    • https://cdn.shopify.com/s/files/1/0434/8231/6957/files/vedikinemegelaku.pdf
    • https://cdn.shopify.com/s/files/1/0429/1995/2540/files/6259218585.pdf
    • https://cdn.shopify.com/s/files/1/0432/2813/5592/files/project_acceptance_letter_template.pdf
    • https://cdn.shopify.com/s/files/1/0432/8135/0820/files/casio_fx_991ms_user_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/7344/5788/files/tableau_de_conjugaison_verbe_etre_et_avoir.pdf
    • https://cdn.shopify.com/s/files/1/0434/0970/3061/files/chaconne_in_f_minor.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rirolor.pdf
    • https://cdn.shopify.com/s/files/1/0434/4987/6641/files/dc_metro_metrics.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_off00005363.bin
7e2c85663d7404dd156815b571562fef955f48ae8e7c838e36934ddcde5cf1fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5363 5364 bytes
font_01_sfnt_off00006587.bin
177d1007ccc1e717c2d3de1c59aedb1103fdd5431d294e7809e6c372f0136c81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6587 10136 bytes

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