Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c7096fd61f1a9da…

MALICIOUS

PDF

53.4 KB Created: 2020-08-02 00:44:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 460c0f2d61a5219fcda8cfa6080fd1b3 SHA-1: e556a0d542f32ffbbec7dcf2c543c4d1733938fd SHA-256: 1c7096fd61f1a9dacfaef54711c4db6d6e0fc097c6e42a8e527d8f2902921bea
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a 'PDF SEO Link Farm'. One of these links, 'https://ttraff.com/pify?keyword=dragon+age+origins+mods', is flagged as a malicious redirector. This suggests the document's primary purpose is to lure users to malicious sites, likely for phishing or to download further malware.

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=dragon+age+origins+mods
    • http://files.portstanleyartguild.com/uploads/1/3/1/4/131437987/vedasizepop.pdf
    • http://files.pablofernandezpt.com/uploads/1/3/1/8/131856005/6309282.pdf
    • http://files.miltonanglican.org/uploads/1/3/1/6/131606046/lirubuwukuvefutosaf.pdf
    • http://files.amyhouts.com/uploads/1/3/2/8/132815872/letaz.pdf
    • http://files.toddthomasrenos.com/uploads/1/3/0/7/130776423/7357452.pdf
    • http://files.miltonanglican.org/uploads/1/3/1/6/13160604
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20931566490.pdf
    • https://cdn.shopify.com/s/files/1/0431/4087/4408/files/83115738557.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99237037604.pdf
    • https://cdn.shopify.com/s/files/1/0435/1678/8900/files/jedolifuneromefan.pdf
    • https://cdn.shopify.com/s/files/1/0430/7232/3737/files/zukizageret.pdf
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/94963875598.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78992801071.pdf
    • https://cdn.shopify.com/s/files/1/0429/7523/2153/files/2911398325.pdf
    • https://cdn.shopify.com/s/files/1/0430/9513/0266/files/31628599834.pdf
    • https://cdn.shopify.com/s/files/1/0434/3883/3816/files/24270969014.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_off00007b27.bin
b325b5437aca27cce064aefbc39a980e62db5cc8763578d886b30552e283f288		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B27 5112 bytes
font_01_sfnt_off00008c76.bin
07aa3801f1cedc1d7e8c0855576da656098809bd2d29a841aea70cf106626d8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C76 10896 bytes
font_02_sfnt_off0000b1bf.bin
3ba8fd8650cd4334cd4e6aa6abe963dc388bf6f030bb26909b76aa32741c5838		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB1BF 16548 bytes

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