Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9694186995bde53…

MALICIOUS

PDF

45.0 KB Created: 2020-08-15 16:40:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4a6d2669221780047aec3df99fdcd668 SHA-1: a2880c524b3500c489689b3a5918d2d703def95a SHA-256: f9694186995bde53a8b29227d46fc6c8c9b5afc2aed018c708c223c65cda4ee6
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, a technique often used to create link farms for SEO manipulation or to hide malicious redirects. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=intergovernmental+panel+on+climate+change+report+2013'. The document body, though heavily obfuscated, appears to contain text related to a climate change report, likely a lure. The presence of numerous external links, including one to a malicious redirector, strongly suggests an attempt to direct users to harmful 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.com/pify?keyword=intergovernmental+panel+on+climate+change+report+2013
    • http://files.adf64.org/uploads/1/3/1/3/131381450/gelotezatowewuxetota.pdf
    • https://cdn.shopify.com/s/files/1/0434/0508/2780/files/aprender_a_leer_y_escribir_japones.pdf
    • https://cdn.shopify.com/s/files/1/0435/9992/1315/files/33118510556.pdf
    • https://cdn.shopify.com/s/files/1/0431/0358/4423/files/22461303044.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gipal.pdf
    • https://cdn.shopify.com/s/files/1/0429/5829/1093/files/81790735380.pdf
    • https://cdn.shopify.com/s/files/1/0429/2742/3654/files/jotabab.pdf
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/25494233442.pdf
    • https://cdn.shopify.com/s/files/1/0432/4897/6032/files/huffman_coding_java.pdf
    • https://cdn.shopify.com/s/files/1/0429/1959/2103/files/java_tutorial_oracle.pdf
    • https://cdn.shopify.com/s/files/1/0430/6737/5777/files/22225643219.pdf
    • https://cdn.shopify.com/s/files/1/0430/5901/9927/files/mutokofofijefivijamu.pdf
    • https://cdn.shopify.com/s/files/1/0428/0667/3574/files/slendytubbies_2_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/0279/7986/files/wazekus.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_off00006f7d.bin
ec790e4c97e35888033981e765fc0d9dfc30a5a0edd4e44c6d4860b5d6c7fdf7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F7D 5656 bytes
font_01_sfnt_off00008294.bin
b64e30330ee8cc93b4d82058200b7c621b63a710d89c146b00bbeb94695890bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8294 10476 bytes

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