Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff047407795de11a…

MALICIOUS

PDF

123.2 KB Created: 2020-07-31 06:59:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a54227f2f41681abc1c2833cbe847757 SHA-1: 7ee74cbd657380d3a7233a17e59dd61adf843ea8 SHA-256: ff047407795de11ab5a780cc6ac094623287cecf2d33e1a253901c60d6aff4fb
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains heuristics indicating it is a malicious redirector and part of a link farm, pointing to suspicious URLs. The document body, though heavily obfuscated, contains keywords related to 'Holy bible kjv pdf' and application metadata, suggesting a lure. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=holy+bible+kjv+pdf
    • http://files.foreverperfectflowershop.com/uploads/1/3/2/7/132712413/ferom-mupedere-berokovosez.pdf
    • http://files.elementsandtides.com/uploads/1/3/2/6/132695258/8823047.pdf
    • http://files.mikepozzi.net/uploads/1/3/1/3/131383998/9678351.pdf
    • http://files.augustrise.com/uploads/1/3/1/4/131437380/tunajurelaka-kuwolaxogidobo.pdf
    • https://cdn.shopify.com/s/files/1/0428/7394/6275/files/wodagofikaxola.pdf
    • https://cdn.shopify.com/s/files/1/0431/0230/6468/files/rafegesadidixo.pdf
    • https://cdn.shopify.com/s/files/1/0433/3905/5253/files/37826422894.pdf
    • https://cdn.shopify.com/s/files/1/0430/7265/1413/files/22247018186.pdf
    • https://cdn.shopify.com/s/files/1/0431/0423/9770/files/94466162878.pdf
    • https://cdn.shopify.com/s/files/1/0430/8720/0418/files/24068786144.pdf
    • https://cdn.shopify.com/s/files/1/0428/7676/4327/files/66401830529.pdf
    • https://cdn.shopify.com/s/files/1/0429/5622/6716/files/50028560613.pdf
    • https://cdn.shopify.com/s/files/1/0430/6026/5117/files/12651824709.pdf
    • https://cdn.shopify.com/s/files/1/0428/6735/9900/files/18815930954.pdf
    • https://cdn.shopify.com/s/files/1/0434/0783/5293/files/bejogireka.pdf
    • https://cdn.shopify.com/s/files/1/0431/6856/3355/files/6219604230.pdf
    • https://cdn.shopify.com/s/files/1/0437/9112/2584/files/soxekodixukanedenabisoxe.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_off00019fea.bin
6f17767a7393f3540422c162f61e6d81430bb9e55cac37cd25e080d5a9ab5282		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19FEA 4556 bytes
font_01_sfnt_off0001af70.bin
973a8b437f2f0805c8517897b56d3ddc648015c7997e18aac6d9b9bd8dfab68c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1AF70 14320 bytes

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