Malicious PDF — malware analysis report

Static analysis result for SHA-256 debaebf3b3ab450c…

MALICIOUS

PDF

264.9 KB Created: 2020-08-24 02:47:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e74b0d70c78ad92b2d6ff6f39b59ad9b SHA-1: 334ec83a8021e0d081d58ecd1570ad823a854b62 SHA-256: debaebf3b3ab450cd2e8bf581c79fe57fc9c731f7bfa68e4cdc1772b648c6bb2
70 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL. This suggests the primary intent is to lure the user to a malicious site, likely for further exploitation or credential harvesting.

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.
  • 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=annual+report+apple+pdf
    • http://files.designwithwisdom.com/uploads/1/3/2/6/132680890/wamasipokuno.pdf
    • http://files.dreamweaversct.com/uploads/1/3/0/7/130775002/bc46ed50f03.pdf
    • https://cdn.shopify.com/s/files/1/0435/9297/4499/files/lazigisimibilejam.pdf
    • https://cdn.shopify.com/s/files/1/0434/3929/2577/files/73924708317.pdf
    • https://cdn.shopify.com/s/files/1/0429/1215/3766/files/binghamton_campus_map.pdf
    • https://cdn.shopify.com/s/files/1/0428/8741/3923/files/sewubis.pdf
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/65885412792.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/totavari.pdf
    • https://cdn.shopify.com/s/files/1/0428/5631/7091/files/kuzamepaxutot.pdf
    • https://cdn.shopify.com/s/files/1/0427/6604/1244/files/cartoon_comedy_hd_video.pdf
    • https://cdn.shopify.com/s/files/1/0460/1407/0945/files/boxawi.pdf
    • https://cdn.shopify.com/s/files/1/0429/2601/4630/files/wefujanetevo.pdf
    • https://cdn.shopify.com/s/files/1/0437/4704/9621/files/mobilexpression_how_to_earn_tokens.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_off0003b72a.bin
60add171063a8f62a5cd39c7879758656a1ec377203451e63c1172c1b71bc4dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B72A 4848 bytes
font_01_sfnt_off0003c7ad.bin
eb305df634976b433eae33d82fbb7cfda8b99db3086aee2398641c9d11bcbd17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3C7AD 17256 bytes
font_02_sfnt_off0003fcd9.bin
8e1b8136790f9deed334ac8bd383f0485cf3d6910b19fb425778b2d748f9f059		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3FCD9 16208 bytes

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