Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d36866a271d53ae…

MALICIOUS

PDF

53.0 KB Created: 2020-09-11 03:44:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0288a287013cdd472e74bbfb54bb482c SHA-1: 898ca5827cceb1093a5e5febada06fa83b5ade0b SHA-256: 2d36866a271d53ae989ef09307d4b161229463bc367eb2c8136a1dc870e45800
150 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a malicious URL, disguised as a game guide. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and the presence of the URL https://ttraff.com/wix?keyword=civilization+6+beginner+guide strongly indicate a phishing or redirection attempt. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/wix?keyword=civilization+6+beginner+guide
    • https://cdn.shopify.com/s/files/1/0466/5635/6517/files/cinematography_theory_and_practice_second_edition.pdf
    • https://cdn.shopify.com/s/files/1/0434/6360/6429/files/northwest_territory_14x14_tent_instructions.pdf
    • https://cdn.shopify.com/s/files/1/0441/2263/6440/files/bf_skinner_theory_of_language_development.pdf
    • https://static.usrfiles.com/ugd/0789d5_91c3b820e3b5431191eea3b4b7a097ed.pdf
    • https://static.usrfiles.com/ugd/a2c2bc_a6aa141a49864798852128eeb977c8cf.pdf
    • https://static.usrfiles.com/ugd/7ad284_e25c4dc4736642a9ad57d603a377e786.pdf
    • https://static.usrfiles.com/ugd/4b874d_7d3268127f634d56919becab6f98771a.pdf
    • https://static.usrfiles.com/ugd/05301a_50c4ee239b16420dbd37c2f74c53c697.pdf
    • https://static.usrfiles.com/ugd/9f2514_e8181d1b50f14df4bc13871c62030983.pdf
    • https://static.usrfiles.com/ugd/808d8c_2ca3687efb504b2a93b607a003bf644c.pdf
    • https://static.usrfiles.com/ugd/a48928_c013709118d242e0b6b73129d6af44f8.pdf
    • https://static.usrfiles.com/ugd/c79b1c_3d60ea383f484a16a9e7df04ea6da34c.pdf
    • https://static.usrfiles.com/ugd/5ea691_d347aad40d5f4b3294e4158d0d443aa5.pdf
    • https://static.usrfiles.com/ugd/fa6f14_4e757bee859249d3b545e047f50a7197.pdf
    • https://static.usrfiles.com/ugd/85c99c_46a194b110af4dbcb2597f1761979d76.pdf
    • https://static.usrfiles.com/ugd/12745a_5c5f2394ed8d473ead2ea2d92b728474.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_off00008c47.bin
ed960b64e8bb93a21a71426500a9df15d5278e63d8cd767d8628db69a9a9cb5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C47 5124 bytes
font_01_sfnt_off00009dca.bin
7984d14a4378816b5726e207ac856835426a52ed66dbbd609f7371c3db7bcbe2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9DCA 12524 bytes

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