Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c222e00af39e19c…

MALICIOUS

PDF

67.3 KB Created: 2020-08-07 17:31:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53e3f99c38de8b9363894a5e81ee0aea SHA-1: 1566b0a119ad703bd930292851797aff8f2b7a4b SHA-256: 3c222e00af39e19cc9aa61b65e68f2773e90c6e2dc287e648cb95ee428ab3c83
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=citadel+color+chart+pdf'. This URL is designed to lure users under the pretext of providing a 'Citadel color chart pdf'. The document body, though heavily obfuscated, contains this URL, reinforcing the malicious intent. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the 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=citadel+color+chart+pdf
    • http://fexiv.michellefairley77.com/uploads/1/3/0/7/130775734/gujemovuduw-miwosolorabakez-rubewebeme.pdf
    • http://vunireve.ftlservices.com/uploads/1/3/0/8/130874163/6913391.pdf
    • http://files.bigcreekbulldogs.com/uploads/1/3/0/7/130775431/vexepivujesu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4457/7178/files/revamixivugasinez.pdf
    • https://cdn.shopify.com/s/files/1/0431/2976/6039/files/perivawurus.pdf
    • https://cdn.shopify.com/s/files/1/0440/3258/9989/files/sujizaretesuwodis.pdf
    • https://cdn.shopify.com/s/files/1/0437/2021/2645/files/despite_grammar.pdf
    • https://cdn.shopify.com/s/files/1/0433/9263/0940/files/cambridge_primary_english_stage_1.pdf
    • https://cdn.shopify.com/s/files/1/0431/9199/2481/files/59710529592.pdf
    • https://cdn.shopify.com/s/files/1/0430/8484/1124/files/jurowotoxugagoboruxagedil.pdf
    • https://cdn.shopify.com/s/files/1/0440/6919/1832/files/vonagagilelufevilofivu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1223/5174/files/13365336318.pdf
    • https://cdn.shopify.com/s/files/1/0434/1540/4702/files/tiluv.pdf
    • https://cdn.shopify.com/s/files/1/0430/7392/9378/files/mysql_import_sql_file.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a7f3.bin
b31ef0ef4b052e4bf09e39c4793ee94a427d0eaa23203dc414b3b960b212ac64		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7F3 4768 bytes
font_01_sfnt_off0000b835.bin
daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB835 1800 bytes
font_02_sfnt_off0000c0c3.bin
6380566c68664be444fbe235fce0db2410808052789a297dfcba3e7a3543f132		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC0C3 15680 bytes
font_03_sfnt_off0000f164.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF164 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.