Malicious PDF — malware analysis report

Static analysis result for SHA-256 46917eb8ee809adf…

MALICIOUS

PDF

47.6 KB Created: 2020-08-22 11:17:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c8fb96953753cf8ce1cfbbb22e41dc2f SHA-1: 751b04fc11483158cb52236c941f9c9171ebce9a SHA-256: 46917eb8ee809adf29be281e2e28d98d078deae465258a12d83b8e3360414933
128 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'simple receipt template html', aligning with the 'SE_INVOICE_LURE' heuristic. The primary malicious URL identified is https://ttraff.ru/pify?keyword=simple+receipt+template+html, which likely serves as a gateway to further malicious content. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.ru/pify?keyword=simple+receipt+template+html
    • http://juvopejag.poolesvillepickers.com/uploads/1/3/0/8/130874376/927fa.pdf
    • http://files.tradelineproperties.com/uploads/1/3/1/4/131438464/4b8b650611a799.pdf
    • http://jupefusa.dphsart.org/uploads/1/3/0/7/130739344/9073402.pdf
    • http://files.madamejohanna.com/uploads/1/3/1/6/131606733/jefilexubuzure.pdf
    • https://cdn.shopify.com/s/files/1/0431/9880/8224/files/supitil.pdf
    • https://cdn.shopify.com/s/files/1/0432/0277/3156/files/gelokupojupirikaziki.pdf
    • https://cdn.shopify.com/s/files/1/0431/0463/2992/files/o_level_biology_notes_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/0821/9560/files/76038958826.pdf
    • https://cdn.shopify.com/s/files/1/0433/9741/5077/files/vubalatefajinefojav.pdf
    • https://cdn.shopify.com/s/files/1/0433/3781/0075/files/rixebunibefezifedix.pdf
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/suvofadirabetazakimusux.pdf
    • https://cdn.shopify.com/s/files/1/0428/6545/9366/files/lidubige.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006750.bin
83f3416626b0b270519e49fe1b6f9d8da200229383299ffcbefc98ffc9ac6c08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6750 4668 bytes
font_01_sfnt_off0000770f.bin
51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x770F 1800 bytes
font_02_sfnt_off00007f9d.bin
628a8224774a77def66cc3d23062daecc11625f7214807c49c9ef75a3455dd25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F9D 10524 bytes
font_03_sfnt_off0000a39f.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA39F 4324 bytes

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