Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a9edc9a546cc9c9…

MALICIOUS

PDF

37.0 KB Created: 2020-09-07 07:25:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 586ec8e6530eb4cb10e7e6d338ba3e7a SHA-1: bd64436ad9196a91a7b1d0699a3af5d1226ae28e SHA-256: 2a9edc9a546cc9c96a3ee16cc24f2f6d6a0c81260a2ca3900ca6342cbea286d3
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a link that redirects to a known malicious URL, disguised as a 'Dahua cctv camera catalogue pdf'. This indicates a social engineering attack aimed at tricking the user into visiting a harmful site. The PDF also contains a large number of external links, many pointing to Shopify, suggesting a link farm for SEO manipulation or to host further malicious content.

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.me/wix?keyword=dahua+cctv+camera+catalogue+pdf
    • https://cdn.shopify.com/s/files/1/0430/7678/0192/files/31753544505.pdf
    • https://cdn.shopify.com/s/files/1/0432/2597/2904/files/wusugu.pdf
    • https://cdn.shopify.com/s/files/1/0430/1789/6089/files/gimipukakiluwazevak.pdf
    • https://cdn.shopify.com/s/files/1/0430/7510/9018/files/93825822129.pdf
    • https://cdn.shopify.com/s/files/1/0431/0512/4503/files/57946518028.pdf
    • https://cdn.shopify.com/s/files/1/0463/7927/0299/files/cafe_racer_mod_apk_v1._051._2.pdf
    • https://cdn.shopify.com/s/files/1/0430/9676/8673/files/5210582604.pdf
    • https://cdn.shopify.com/s/files/1/0437/1628/0469/files/11008252732.pdf
    • https://cdn.shopify.com/s/files/1/0431/6866/1670/files/aviculture_traditionnelle_amliore.pdf
    • https://cdn.shopify.com/s/files/1/0433/0641/8331/files/taboo_card_game_template.pdf
    • https://static.usrfiles.com/ugd/2994dd_11153fd3148c42dea146b7de94c4e38e.pdf
    • https://static.usrfiles.com/ugd/0010c8_7971bf6f21fc468f8c8b4f1986d721ae.pdf
    • https://static.usrfiles.com/ugd/d1d005_8a86719d10de47efb4b28d87cbc985bc.pdf
    • https://static.usrfiles.com/ugd/ce0e6d_89c613ebcf754dd08fefe6e1c6d02a1a.pdf
    • https://static.usrfiles.com/ugd/3fd21f_bb1e5899555b4b45ac7d06eb1ee7663a.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_off00005098.bin
c4a687bdea3063050319d93669bda8fb91b4e2907b35e6c4e73c13b4eac09d64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5098 5448 bytes
font_01_sfnt_off00006309.bin
78e21849605be4ddc1f057d1597f0f44b3c4ee556bb56da5c98abf222111e922		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6309 10756 bytes

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