Malicious PDF — malware analysis report

Static analysis result for SHA-256 fee9c139e6c44d8c…

MALICIOUS

PDF

41.5 KB Created: 2020-08-08 01:49:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3b26861c98300ba9416df7244cc8497b SHA-1: cb8c3fe151e59eb559ebf812fdd10a3de6e4c405 SHA-256: fee9c139e6c44d8cef66719769569f5903b13c9fa470fbfd9ff69d9fa516805b
136 Risk Score

Malware Insights

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

The PDF contains a lure related to financial statements and includes a call to action to download. It links to a known malicious redirector, ttraff.com, which likely leads to further malicious content. The document also contains a large number of SEO-optimized links, many pointing to Shopify, suggesting an attempt to disguise malicious distribution through seemingly benign platforms. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or redirection attack.

Heuristics 5

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=personal+assets+and+liabilities+statement+sbi+pdf
    • http://files.hasimahguesthouse.com/uploads/1/3/0/9/130970003/18d049.pdf
    • http://files.recoverycafeindy.org/uploads/1/3/0/8/130813413/32a8e806.pdf
    • http://files.bouldermama.com/uploads/1/3/1/6/131606465/zazulofamavimotova.pdf
    • https://cdn.shopify.com/s/files/1/0434/6108/3301/files/46338594344.pdf
    • https://cdn.shopify.com/s/files/1/0427/9628/6111/files/nalegegodageriwovo.pdf
    • https://cdn.shopify.com/s/files/1/0429/9577/7699/files/gidesemenurijoxijen.pdf
    • https://cdn.shopify.com/s/files/1/0437/5671/6186/files/likabinowazigise.pdf
    • https://cdn.shopify.com/s/files/1/0435/6286/0699/files/vevukexowe.pdf
    • https://cdn.shopify.com/s/files/1/0434/3264/0664/files/mathematics_grade_12_books.pdf
    • https://cdn.shopify.com/s/files/1/0435/4670/6088/files/tadukowagojulosediwo.pdf
    • https://cdn.shopify.com/s/files/1/0431/5820/8672/files/39872699547.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19194700937.pdf
    • https://cdn.shopify.com/s/files/1/0430/4519/1841/files/grimmer_schmidt_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/7620/6238/files/18019680758.pdf
    • https://cdn.shopify.com/s/files/1/0429/8362/0757/files/clinical_pharmacy_handbook.pdf
    • https://cdn.shopify.com/s/files/1/0430/9961/9492/files/dafuxetowoluxabuk.pdf
    • https://cdn.shopify.com/s/files/1/0428/1381/6995/files/lulusafupapakogawerewuwol.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_off000063da.bin
10812d6fd4c24366f827798884f3fa07dc57265fc213576c3dbb8f46c1d95ee1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63DA 5328 bytes
font_01_sfnt_off000075d7.bin
7166c447e07987312d7b0f756ea8652697a74ff1c5f813c5e4801434eed20897		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75D7 10344 bytes

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