Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c0d229216d50174…

MALICIOUS

PDF

35.3 KB Created: 2020-08-20 01:23:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e7dfb4b7ed03c1a7402bc540d8a552d SHA-1: ed62e20cc2fd17cafc8083ebf31dd31679ccce05 SHA-256: 1c0d229216d5017451cb10e65e017b803f3327fc7f8cb4d3a02d6c7c838c2999
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.com/pify?keyword=beyblade+burst+evolution+tamil+song'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, one of which is 'http://vexefixot.christinaperritt.co.uk/uploads/1/3/2/7/132740624/8710446.pdf'. The document body, though heavily obfuscated, contains text related to 'Beyblade burst evolution tamil song' and the malicious URL, suggesting a lure to a malicious site.

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=beyblade+burst+evolution+tamil+song
    • http://vexefixot.christinaperritt.co.uk/uploads/1/3/2/7/132740624/8710446.pdf
    • https://cdn.shopify.com/s/files/1/0434/1812/4445/files/maitetsu_ar_camera_android.pdf
    • https://cdn.shopify.com/s/files/1/0446/1549/9939/files/aprende_ingles_mientras_duermes.pdf
    • https://cdn.shopify.com/s/files/1/0431/4411/8428/files/aminoacidos_quimica.pdf
    • https://cdn.shopify.com/s/files/1/0433/9751/3381/files/xugidufo.pdf
    • https://cdn.shopify.com/s/files/1/0446/9637/1356/files/player_unknown_battlegrounds_license_key.pdf
    • https://cdn.shopify.com/s/files/1/0428/3272/4124/files/29823756157.pdf
    • https://cdn.shopify.com/s/files/1/0430/3601/6802/files/luwemubuxosuwef.pdf
    • https://cdn.shopify.com/s/files/1/0428/5625/1559/files/84256591231.pdf
    • https://cdn.shopify.com/s/files/1/0428/4717/4812/files/93553119631.pdf
    • https://cdn.shopify.com/s/files/1/0434/7304/3622/files/simubejenuwinelaromuzanap.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_off00004baf.bin
a9bec37e9640417daa3b1ec2331d4ce0475dc434e4cc9465a85cf2a5f2a972e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4BAF 5496 bytes
font_01_sfnt_off00005e55.bin
374f75ab25637ae9d635cab3e208381f700a0e741311a005234fc6575575c19d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E55 10104 bytes

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