Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0f73730227c6b68…

MALICIOUS

PDF

42.4 KB Created: 2020-08-31 01:20:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e1e3404c107c9d9b46c9dc6e11e504b SHA-1: 7298b5cd607b85d71b617666fe05b7d08d57173a SHA-256: d0f73730227c6b68e6034066f412f6e321660d895f4b797f65852048b3305475
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, pointing to 'https://ttraff.cc/wix?keyword=2015+vw+jetta+manual'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, one of which is 'https://cdn.shopify.com/s/files/1/0431/1613/4562/files/vasozalurikob.pdf'. The document body, though heavily obfuscated, contains references to the URL and appears to be a lure for a '2015 vw jetta manual'. This suggests a phishing or malware distribution 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.cc/wix?keyword=2015+vw+jetta+manual
    • https://cdn.shopify.com/s/files/1/0431/1613/4562/files/vasozalurikob.pdf
    • https://cdn.shopify.com/s/files/1/0437/1113/5894/files/jusavasafisuweneg.pdf
    • https://cdn.shopify.com/s/files/1/0431/0351/8887/files/dulegak.pdf
    • https://cdn.shopify.com/s/files/1/0429/0406/0071/files/36452076221.pdf
    • https://cdn.shopify.com/s/files/1/0430/8451/3444/files/kibakemofu.pdf
    • https://static.usrfiles.com/ugd/b8c837_312ad0571ab1466f833c3adc3bb07fe7.pdf
    • https://static.usrfiles.com/ugd/73c254_bc5db0b3ccc34ac59f7450fa69a350b8.pdf
    • https://static.usrfiles.com/ugd/b8c837_c1266376baf84cf9b588fbbaa136fb84.pdf
    • https://static.usrfiles.com/ugd/b8c837_9efd570261854a398a815d6a1a0108b5.pdf
    • https://static.usrfiles.com/ugd/b8c837_aafbd17cb98245e3a07b59be7b774e56.pdf
    • https://static.usrfiles.com/ugd/ab0441_d13ff0173560459fa86bcb3d7bd1e5e1.pdf
    • https://cdn.shopify.com/s/files/1/0435/7783/5681/files/fikem.pdf
    • https://cdn.shopify.com/s/files/1/0428/4959/9651/files/4946166765.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_off000068a7.bin
f8a1117540bf23b9f558e5033f24c023e2513b9212d326172eeb6daec8065ef3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68A7 5140 bytes
font_01_sfnt_off00007a29.bin
b6d0084e0e8bbba99d385fb087afcd007388c1f8eda318dcf01a0b0919b5f8ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A29 10176 bytes

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