Malicious PDF — malware analysis report

Static analysis result for SHA-256 2423ecc78a41871c…

MALICIOUS

PDF

45.8 KB Created: 2020-08-16 20:16:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 649617d6752d53323daa1c968fd6009c SHA-1: 47e47771f8e64658386f0fd28f5734504f3c4b5a SHA-256: 2423ecc78a41871c9a3bb965b78e5f0001de4f461ed1d5b92aeb81bc583199e9
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Cod modern warfare remastered trophy guide' and the malicious URL itself, suggesting a lure to entice clicks. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many pointing to Shopify, likely to obscure the malicious redirector.

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.cc/pify?keyword=cod+modern+warfare+remastered+trophy+guide
    • http://files.moonglowhardtop.com/uploads/1/3/0/7/130775934/2869169.pdf
    • https://cdn.shopify.com/s/files/1/0430/9244/3303/files/ansys_workbench_tutorial_release_14._5.pdf
    • https://cdn.shopify.com/s/files/1/0432/3429/5966/files/39405443349.pdf
    • https://cdn.shopify.com/s/files/1/0428/6971/9196/files/jazuxamuwejowadivabire.pdf
    • https://cdn.shopify.com/s/files/1/0430/4994/3202/files/24297737307.pdf
    • https://cdn.shopify.com/s/files/1/0429/0114/3715/files/wewogafakek.pdf
    • https://cdn.shopify.com/s/files/1/0431/1243/1778/files/google_maps_timeline_gpx.pdf
    • https://cdn.shopify.com/s/files/1/0429/5124/5987/files/dojifetogobulom.pdf
    • https://cdn.shopify.com/s/files/1/0431/7668/9825/files/difference_between_idealism_naturalism_pragmatism_and_realism.pdf
    • https://cdn.shopify.com/s/files/1/0431/4424/9499/files/89344698708.pdf
    • https://cdn.shopify.com/s/files/1/0433/5858/4986/files/jelemag.pdf
    • https://cdn.shopify.com/s/files/1/0430/8706/9348/files/pusogonifufelulabarifize.pdf
    • https://cdn.shopify.com/s/files/1/0431/8799/4792/files/wutupekakimakipewuk.pdf
    • https://cdn.shopify.com/s/files/1/0437/2122/8440/files/advertising_management.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_off00006b72.bin
3d06e8339e8845af069e57eb533fbfbe728753121870da1d38e127bbcd7ff351		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B72 5524 bytes
font_01_sfnt_off00007e24.bin
bc0361955c529726d88eb8d52cec876514e20fdc56d2450f27bfe12ff830d086		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E24 13812 bytes

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