Malicious PDF — malware analysis report

Static analysis result for SHA-256 ded6da476e11e1ef…

MALICIOUS

PDF

45.2 KB Created: 2020-09-01 11:31:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89781bcf1c5b13030dbaa48e06276b12 SHA-1: 5db947a8b98361553cbd03c8f5261e0af6b6b6e8 SHA-256: ded6da476e11e1ef150955a95eaed913d1338682bd55b6044baca308608c1aeb
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.com/wix?keyword=one+page+business+plan+template+excel'. The document body, though heavily obfuscated, contains text suggesting it is a 'one page business plan template excel', which is likely a lure. The presence of a link farm heuristic further indicates a malicious intent to distribute links.

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/wix?keyword=one+page+business+plan+template+excel
    • https://cdn.shopify.com/s/files/1/0430/3169/1421/files/define_the_term_mandatory_reporting.pdf
    • https://cdn.shopify.com/s/files/1/0435/3504/0664/files/tibiviwilusonugavew.pdf
    • https://cdn.shopify.com/s/files/1/0434/3637/6214/files/bad_boy_song_telugu_sahoo.pdf
    • https://cdn.shopify.com/s/files/1/0435/9811/9071/files/velenubuliboza.pdf
    • https://cdn.shopify.com/s/files/1/0429/8165/4679/files/kuresekinumudizosutus.pdf
    • https://cdn.shopify.com/s/files/1/0434/4512/5281/files/kibodevufoguzubefopat.pdf
    • https://cdn.shopify.com/s/files/1/0433/4924/6110/files/benzoato_de_benzila_emulso_bula.pdf
    • https://cdn.shopify.com/s/files/1/0433/7431/3621/files/android_base64_api_21.pdf
    • https://cdn.shopify.com/s/files/1/0437/8732/1505/files/jemix.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/voriwatovetizejewadodo.pdf
    • https://cdn.shopify.com/s/files/1/0431/0496/0661/files/acacia_auriculiformis_tree_images.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_off00007300.bin
589c9a52cf8f50609df0da2a3de3fcf7a967504e41b0730c674ff678a071ec9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7300 5392 bytes
font_01_sfnt_off00008548.bin
41dcff8d9747b6aa870c2dee91745d4dd7b66ed7953d93c169b4469125a8c34f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8548 10388 bytes

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