Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5a99248a60027fc…

MALICIOUS

PDF

40.3 KB Created: 2020-08-09 06:41:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 557431452c106a46c67695eed34bd3b2 SHA-1: 27caaef9b0cefcca554d3538fa110239bb5cf94b SHA-256: a5a99248a60027fc87f9cd5375852629f3735eaa5358fe6175881edc08b8407e
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=t%25C3%25A9l%25C3%25A9charger+le+bescherelle+pdf+gratuit'. This indicates the document's primary purpose is to redirect users to a malicious site. The presence of a PDF link farm heuristic further supports that this document is designed to distribute links, likely for malicious purposes. No scripts were extracted from this sample.

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=t%25C3%25A9l%25C3%25A9charger+le+bescherelle+pdf+gratuit
    • http://files.alejandrogonzalezmolina.com/uploads/1/3/1/0/131070618/30b2571ee19fbc.pdf
    • http://files.nightoutowl.com/uploads/1/3/1/6/131606393/bivagelepokixas-zasetef.pdf
    • http://kikirob.capecommunityorchestra.org/uploads/1/3/2/7/132710621/f07ad3647.pdf
    • https://cdn.shopify.com/s/files/1/0432/8158/0188/files/4614982894.pdf
    • https://cdn.shopify.com/s/files/1/0433/4118/5189/files/4938580161.pdf
    • https://cdn.shopify.com/s/files/1/0430/3942/4669/files/fejivorisewoso.pdf
    • https://cdn.shopify.com/s/files/1/0433/3813/7755/files/33778727690.pdf
    • https://cdn.shopify.com/s/files/1/0429/8765/1235/files/xemakuzibuxamilowaf.pdf
    • https://cdn.shopify.com/s/files/1/0439/8897/5774/files/14052087396.pdf
    • https://cdn.shopify.com/s/files/1/0434/5144/9504/files/pugalolejadexuxuxabojoro.pdf
    • https://cdn.shopify.com/s/files/1/0435/3346/7808/files/mysqldump_data_only.pdf
    • https://cdn.shopify.com/s/files/1/0432/0883/5229/files/1634822127.pdf
    • https://cdn.shopify.com/s/files/1/0440/0765/3526/files/2004146632.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_off00004e52.bin
fbf83382d13fa17fe8ff6d45084d5099872736ee5bbf0728d94d72c0fb304f36		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E52 5312 bytes
font_01_sfnt_off00006029.bin
d13d33a6532d943f509a933353d0fcee5cf039a0a2dc3b27c26c09a3ed7d3b91		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6029 11524 bytes
font_02_sfnt_off0000844d.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x844D 4324 bytes

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