Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fd689abac9458a5…

MALICIOUS

PDF

57.7 KB Created: 2020-09-01 05:45:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 73a84438d9cfe167a992f091beb0f0ff SHA-1: 3955ff65ab88724d253af2b04a5f5154cec5b186 SHA-256: 8fd689abac9458a5aab1b30a3326a8d26cca58cb8179a5e08bc9c86c9b97f226
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with at least one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be part of this link farm. This suggests a social engineering attack aimed at directing users to malicious infrastructure.

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.cc/wix?keyword=how+to++apple+arcade+games
    • https://cdn.shopify.com/s/files/1/0431/6528/6566/files/banner_template_printable.pdf
    • https://cdn.shopify.com/s/files/1/0430/8579/1383/files/85106102884.pdf
    • https://cdn.shopify.com/s/files/1/0462/6566/3642/files/75151994866.pdf
    • https://cdn.shopify.com/s/files/1/0468/0689/2695/files/5834869827.pdf
    • https://cdn.shopify.com/s/files/1/0462/3826/9591/files/gel_electrophoresis_lab_report_discussion.pdf
    • https://cdn.shopify.com/s/files/1/0435/1574/0312/files/rugafajivubuvaw.pdf
    • https://cdn.shopify.com/s/files/1/0435/4641/1167/files/50661759941.pdf
    • https://cdn.shopify.com/s/files/1/0440/2397/2005/files/bumuroxekuvif.pdf
    • https://static.usrfiles.com/ugd/735424_5f4ca92a7e8e491c869c9fcc3a098c8e.pdf
    • https://static.usrfiles.com/ugd/c4ccc4_2603788ee14f49eb9bbe879478f2eb73.pdf
    • https://static.usrfiles.com/ugd/cdb50c_d8c9828d1fcd4e89966de12a1f590251.pdf
    • https://static.usrfiles.com/ugd/cbe7f7_1a36a4905de6481bb44e84706e41410b.pdf
    • https://static.usrfiles.com/ugd/f63f29_52d42a65571d4eee9b00967ef7b4f289.pdf
    • https://static.usrfiles.com/ugd/69695d_1765a0e315df40e3bf38fa60854dd8ed.pdf
    • https://static.usrfiles.com/ugd/111c46_0b7fe005edd94ac49a1a3a76f2e9e103.pdf
    • https://static.usrfiles.com/ugd/b8c837_146b08c34cde469494a55c87ba4bcac1.pdf
    • https://static.usrfiles.com/ugd/82e28d_64433696ff074a52bb032232abc52e00.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/
    • https://cdn.shopify.com/s/files/1/0431/652

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a36f.bin
a1445718bbbc5eca8a15caa8a44b3fa6ca340c3d9c8106f25ccde021df3896ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA36F 5448 bytes
font_01_sfnt_off0000b5ee.bin
30fd3384d7abe4095f6b7619c712ea970f1ec8b4241a38d349d69a712b171367		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB5EE 10420 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.