Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bc200b9a03de25f…

MALICIOUS

PDF

42.7 KB Created: 2020-08-01 05:03:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fee4c4eb079992020947732edba763c SHA-1: 001670d2a7f23c95f778c85cc5238ce8265177a8 SHA-256: 2bc200b9a03de25f675189097331c55f7cb9d3204e51cfd29290650501d75de7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1059.001 PowerShell T1059.003 Windows Command Shell

The PDF contains a malicious redirector link disguised as a Windows 10 update lure. The document body and heuristics indicate the user is instructed to copy and paste content into a shell, likely to execute a payload. The primary malicious URL is https://ttraff.cc/pify?keyword=windows+10+uninstall+xbox+gaming+overlay, which is part of a link farm designed to attract search engine traffic.

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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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=windows+10+uninstall+xbox+gaming+overlay
    • http://files.dingogirl.com/uploads/1/3/1/4/131406614/vanusaz.pdf
    • http://files.mizzpaw.com/uploads/1/3/0/7/130776673/sajoponozoju-merovuv-subogonatujuvol.pdf
    • http://files.languagesnsw-greek.com/uploads/1/3/2/3/132303226/849e5e.pdf
    • http://files.gregmoffattknives.com/uploads/1/3/1/6/131606642/d0d2609d0aa2.pdf
    • https://cdn.shopify.com/s/files/1/0437/8676/4446/files/30339012346.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pegumi.pdf
    • https://cdn.shopify.com/s/files/1/0433/0926/9156/files/43706656740.pdf
    • https://cdn.shopify.com/s/files/1/0429/1395/6007/files/11365225378.pdf
    • https://cdn.shopify.com/s/files/1/0430/8028/6372/files/60594529369.pdf
    • https://cdn.shopify.com/s/files/1/0431/0702/5056/files/gigegotugumefipetenaf.pdf
    • https://cdn.shopify.com/s/files/1/0440/9013/0584/files/witcher_3_mods._settings.pdf
    • https://cdn.shopify.com/s/files/1/0431/5951/9387/files/92103828618.pdf
    • https://cdn.shopify.com/s/files/1/0431/5381/7762/files/nitebi.pdf
    • https://cdn.shopify.com/s/files/1/0429/1143/2857/files/94837038956.pdf
    • https://cdn.shopify.com/s/files/1/0433/7503/4524/files/xatofasefoleluwilesemejas.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_off00006607.bin
eaa488e6e0b4cb621aa72c3c8189fd66754f446e752319005db9b009c0e15f1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6607 5816 bytes
font_01_sfnt_off000079df.bin
38fd9ed71355256e913556306d846bf9576e3c89df302f24f8d1d0faa5918fe5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79DF 10804 bytes

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