Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ae24331dd11064b…

MALICIOUS

PDF

49.3 KB Created: 2020-08-17 10:02:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ccf9c0c6215eb43bc1566042a6e25fc SHA-1: b750d50937a9fc8da5918b73fb6959f9dc48b3bd SHA-256: 9ae24331dd11064b02b57b3db688541d9db7a17267e1ef80bcd15d2043c93ddf
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical redirector link pointing to traff.cc, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains the target URL, suggesting the user is intended to click this link. The presence of numerous Shopify-hosted PDF links suggests an attempt to appear legitimate or to host payloads.

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=synonyms+and+antonyms+worksheets+grade+8+pdf
    • http://disun.digitoutdoors.com/uploads/1/3/0/8/130814328/jedubupen.pdf
    • http://files.goringandstreatleyprobus.co.uk/uploads/1/3/1/3/131381919/d2de34b.pdf
    • https://cdn.shopify.com/s/files/1/0433/6710/4668/files/nigijigage.pdf
    • https://cdn.shopify.com/s/files/1/0431/0951/5413/files/felumuposanovimunure.pdf
    • https://cdn.shopify.com/s/files/1/0433/0828/6105/files/excel_pivot_table_report_templates.pdf
    • https://cdn.shopify.com/s/files/1/0441/1647/6056/files/kipalebapoponuta.pdf
    • https://cdn.shopify.com/s/files/1/0432/2381/0203/files/96695256487.pdf
    • https://cdn.shopify.com/s/files/1/0431/2465/4241/files/78648494826.pdf
    • https://cdn.shopify.com/s/files/1/0435/2661/9288/files/guvogemopanu.pdf
    • https://cdn.shopify.com/s/files/1/0447/9896/7974/files/blank_nid_card_psd_file.pdf
    • https://cdn.shopify.com/s/files/1/0458/5426/1401/files/adm_app_apk.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdf
    • https://cdn.shopify.com/s/files/1/0446/9968/0922/files/java_script_drop_down.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_off000072f6.bin
59d0038780666bb41292903168d5eb107229b7bd72620f60ca7003416c18fc93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72F6 5720 bytes
font_01_sfnt_off0000864c.bin
4bef906a1df505218f984b2ddac598a200e9a9c47745b9a0a1706e7fe844218f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x864C 10596 bytes
font_02_sfnt_off0000aa6a.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA6A 4324 bytes

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