Malicious PDF — malware analysis report

Static analysis result for SHA-256 4aabd46086a2a331…

MALICIOUS

PDF

38.6 KB Created: 2020-08-27 13:58:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ebdf3d38d6d9d1809edc8fef1789827 SHA-1: 10ed27e104649457ac6395afe5a10e7fdae972a9 SHA-256: 4aabd46086a2a3311ba013795907a271e515d41dc150079bbb2fbc20c4df0cbc
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL 'https://ttraff.cc/pify?keyword=battle+run+2' is the primary indicator of malicious intent. The document body, though heavily obfuscated, also contains this URL, suggesting it is the intended lure. The file's purpose is to redirect the user to this malicious site.

Heuristics 2

  • 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.
  • 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=battle+run+2
    • http://wumofajar.opus128.org/uploads/1/3/0/7/130775173/33dfce1d95894.pdf
    • http://files.northshoreaflcio.org/uploads/1/3/2/6/132696351/8611687.pdf
    • https://cdn.shopify.com/s/files/1/0433/6254/9910/files/biceps_stretches.pdf
    • https://cdn.shopify.com/s/files/1/0436/5189/1358/files/autoit_tutorial_deutsch.pdf
    • https://cdn.shopify.com/s/files/1/0432/0103/6443/files/jilijeni.pdf
    • https://cdn.shopify.com/s/files/1/0437/9885/5840/files/checklist_template.pdf
    • https://cdn.shopify.com/s/files/1/0454/7867/4584/files/33604504606.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/67918596536.pdf
    • https://cdn.shopify.com/s/files/1/0434/0930/9848/files/78697421378.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e39.bin
d9cc4b2f14ebf24db5ce7e35a3d9c7383538152de9b3c096d1dc89c473da4415		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E39 4684 bytes
font_01_sfnt_off00005e24.bin
6b5100443bb807e245a5fd72c4795b23540e64b31cb8366d2e77dab3059e5134		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E24 5812 bytes
font_02_sfnt_off00006cbe.bin
95228a6b8d8d81a82a4acd909e1d85c0a1611c5331ed953918ffb9dadcf3cf15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CBE 9740 bytes

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