Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f46fea042f35346…

MALICIOUS

PDF

40.9 KB Created: 2020-09-22 02:24:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5b55d40e69207ed02b4dde6c02b36ff6 SHA-1: 6cae8a1dd5363e744c10b888370edeae1c66a6a9 SHA-256: 4f46fea042f35346745bc0b17f7f1732b3d6e8df70802f97ad0367c13b2d946e
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with critical heuristics identifying it as a malicious redirector and a link farm. The primary lure appears to be 'Evil in eden 2020', directing users to a suspicious URL. The document body, though heavily obfuscated, contains the same lure and several of the extracted URLs, reinforcing the phishing attempt.

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=evil+in+eden+2020
    • http://files.jjraccounting.com/uploads/1/3/0/7/130739809/882d0a4.pdf
    • http://dedol.ashgateheritagearts.co.uk/uploads/1/3/1/3/131380344/0d74a8d037215f.pdf
    • http://files.summitphotographer.com/uploads/1/3/1/3/131383821/6541653.pdf
    • http://zulezafu.bristolnhwnetwork.org.uk/uploads/1/3/1/1/131163772/9189811.pdf
    • http://files.hazelrosegibson.com/uploads/1/3/1/6/131606965/4481677.pdf
    • http://files.icgpercussion.com/uploads/1/3/1/8/131856285/a35b1621bcd.pdf
    • http://kegajo.shireenliane.com/uploads/1/3/1/0/131070045/nesebopabu_tigidasagoj_bajabut.pdf
    • https://cdn.shopify.com/s/files/1/0440/5719/8742/files/revise_for_cambridge_primary_checkpoint_english.pdf
    • https://cdn.shopify.com/s/files/1/0462/7736/1824/files/40495123654.pdf
    • https://cdn.shopify.com/s/files/1/0436/3137/8590/files/the_karl_lagerfeld_diet.pdf
    • https://cdn.shopify.com/s/files/1/0432/2626/7806/files/kipopi.pdf
    • https://cdn.shopify.com/s/files/1/0428/8974/0441/files/18529470615.pdf
    • https://cdn.shopify.com/s/files/1/0434/5495/5672/files/spelling_numbers_in_english.pdf
    • https://cdn.shopify.com/s/files/1/0431/9671/1069/files/update_android_10_oneplus_6t.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_off000062f0.bin
0c003f1e030eab7169bb6bcea4be5dcad2731826ecc2dd312c7d07cf5cca815b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62F0 4624 bytes
font_01_sfnt_off000072cb.bin
79f32c5db67fb24da71dfb6cc226e518d3c5bdf143c18bedf45de3027802ba4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72CB 10320 bytes

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