Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee012588dae0d1f8…

MALICIOUS

PDF

45.7 KB Created: 2020-09-01 11:44:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87d94e6091db13ce9b1d7fc59561def2 SHA-1: 61b0e1666e78b6f7015333c100a57fc847d76b05 SHA-256: ee012588dae0d1f819737518701065496a97e7a95685b7cfc251c59be595f532
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=guide+%25C3%25A9lectricit%25C3%25A9+industrielle+pdf'. Additionally, it features a PDF link farm heuristic, indicating a large number of outbound links, with the first being 'https://cdn.shopify.com/s/files/1/0432/0716/4064/files/rerako.pdf'. The document body, though heavily obfuscated, contains text related to 'Guide électricité industrielle pdf' and the malicious URL, suggesting a lure to disguise the malicious intent.

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.club/wix?keyword=guide+%25C3%25A9lectricit%25C3%25A9+industrielle+pdf
    • https://cdn.shopify.com/s/files/1/0432/0716/4064/files/rerako.pdf
    • https://cdn.shopify.com/s/files/1/0441/4255/9384/files/guia_ceneval_administracion_2020.pdf
    • https://cdn.shopify.com/s/files/1/0433/2093/4558/files/72222200531.pdf
    • https://cdn.shopify.com/s/files/1/0436/9140/9562/files/firilezopu.pdf
    • https://cdn.shopify.com/s/files/1/0430/3847/4397/files/90855172435.pdf
    • https://cdn.shopify.com/s/files/1/0431/1806/7876/files/hoe_een_beveiligd_afdrukken.pdf
    • https://cdn.shopify.com/s/files/1/0434/4381/4560/files/16155586605.pdf
    • https://cdn.shopify.com/s/files/1/0434/9440/8352/files/verekigutenepudedogi.pdf
    • https://cdn.shopify.com/s/files/1/0429/9302/5183/files/content_analysis_an_introduction_to_its_methodology.pdf
    • https://cdn.shopify.com/s/files/1/0434/4614/1093/files/taxofofarujilado.pdf
    • https://cdn.shopify.com/s/files/1/0440/6027/8936/files/work_from_home_request_email_format.pdf
    • https://cdn.shopify.com/s/files/1/0434/3159/2088/files/dusedewonapiwuzewefe.pdf
    • https://cdn.shopify.com/s/files/1/0440/5932/8662/files/convert_mxf_to_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0431/7639/4901/files/american_college_of_radiology_guidelines_2018.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_off0000696c.bin
0c71203f44614afb1b37e0b43319dfbbc940ded3dc9fe6b527cd5b19dc943999		 pdf-font-stream PDF embedded font (sfnt) at offset 0x696C 5112 bytes
font_01_sfnt_off00007aa1.bin
f4eaafd8a163ed7d9f3e0ce9fed8604b7a16cac8d36461362be70d994ebee04e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AA1 15192 bytes

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