Malicious PDF — malware analysis report

Static analysis result for SHA-256 b80e9af8f017cd47…

MALICIOUS

PDF

47.5 KB Created: 2020-08-31 09:54:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d0368e93d7eb826dad790c9f202eaed4 SHA-1: 4b0e46ed01ac4fc026262a6731f8ec8431537511 SHA-256: b80e9af8f017cd472aaafb16487acb74d7fc0816111bd6e9f12eff771e59c9a9
128 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/wix?keyword=wedding+guest+list+template+google+docs'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous links, with the first identified as 'https://cdn.shopify.com/s/files/1/0437/7749/1105/files/88232795298.pdf'. The document body, though heavily obfuscated, contains phrases suggesting a lure for a template, combined with a heuristic for a download button, indicating a social engineering attempt to redirect users to malicious content.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wix?keyword=wedding+guest+list+template+google+docs
    • https://cdn.shopify.com/s/files/1/0437/7749/1105/files/88232795298.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75130531250.pdf
    • https://cdn.shopify.com/s/files/1/0437/5258/7415/files/biology_revision_notes_form_two.pdf
    • https://cdn.shopify.com/s/files/1/0439/4713/1035/files/4747881174.pdf
    • https://cdn.shopify.com/s/files/1/0432/2361/3595/files/25108861155.pdf
    • https://cdn.shopify.com/s/files/1/0433/8017/9109/files/toefl_practice_test_reading.pdf
    • https://cdn.shopify.com/s/files/1/0429/0710/7495/files/jifelusilineme.pdf
    • https://cdn.shopify.com/s/files/1/0430/4168/5665/files/manetirebatojumulibamopos.pdf
    • https://cdn.shopify.com/s/files/1/0430/4456/9242/files/91807016857.pdf
    • https://cdn.shopify.com/s/files/1/0434/5144/9496/files/wanizexujota.pdf
    • https://cdn.shopify.com/s/files/1/0434/3146/1016/files/juluzologuvanori.pdf
    • https://cdn.shopify.com/s/files/1/0431/9612/1248/files/capacitive_humidity_sensor.pdf
    • https://cdn.shopify.com/s/files/1/0431/0371/5489/files/koxidepuzibiwurukav.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/technical_architecture_document.pdf
    • https://cdn.shopify.com/s/files/1/0437/3384/4119/files/16430606560.pdf
    • https://cdn.shopify.com/s/files/1/0430/5063/1319/files/49313223707.pdf
    • https://cdn.shopify.com/s/files/1/0460/7108/7268/files/71590108976.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_off00006e29.bin
761e7d35032b5a0130e4fa7622d9a99b0c33f1ff7c7e85ccb346542d02c2cf8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E29 5192 bytes
font_01_sfnt_off00007fc2.bin
14d328e43b0366a02d2d231e58bb1c749347de4ffabf03a6d8d6720352e20c2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FC2 10288 bytes
font_02_sfnt_off0000a2c0.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA2C0 4324 bytes

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