Malicious PDF — malware analysis report

Static analysis result for SHA-256 addac1a4fef63157…

MALICIOUS

PDF

41.5 KB Created: 2020-09-02 01:13:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 730c14aafe0a6dde970c57b18d72f84f SHA-1: 7110a35ce78d8c48e09665f6a1db5f97d39cbb46 SHA-256: addac1a4fef63157ce95944f5261c41161829ca8bbdb68025115c9becdb4b02c
120 Risk Score

Malware Insights

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

The PDF file contains a link disguised as a file accident report, which redirects to a known malicious URL. This suggests a phishing or redirection attack. The PDF structure and embedded links indicate a social engineering attempt to lead the user to malicious content. No scripts were extracted, limiting the analysis of direct payload execution.

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.ru/wix?keyword=file+accident+report+online+washington
    • https://static.usrfiles.com/ugd/5ea691_ca4847fe1905457bbbab91f705d82052.pdf
    • https://static.usrfiles.com/ugd/4b7290_ae41aff2bdbe439b9920cfc3b6428bb7.pdf
    • https://static.usrfiles.com/ugd/89c6ad_6fbf323f48cc42aa91f75492f81e2650.pdf
    • https://static.usrfiles.com/ugd/20d83a_f14cdc3f1a5945a58cf5e0089b5c8a80.pdf
    • https://static.usrfiles.com/ugd/4b7290_d9e353d32c5d4fcfb39484c389b53492.pdf
    • https://static.usrfiles.com/ugd/f3ecbe_5a5828f0457a48068838204fcb1b2836.pdf
    • https://static.usrfiles.com/ugd/7c1f05_7872d7d8e77444278df556dbc783983e.pdf
    • https://cdn.shopify.com/s/files/1/0433/6893/9672/files/40875681914.pdf
    • https://cdn.shopify.com/s/files/1/0437/8234/0770/files/55058348165.pdf
    • https://cdn.shopify.com/s/files/1/0431/2930/7287/files/xasuzufuz.pdf
    • https://cdn.shopify.com/s/files/1/0433/8702/7605/files/thermal_insulation_sheet_home_depot.pdf
    • https://cdn.shopify.com/s/files/1/0431/2160/6818/files/mojetuzegejozop.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_off000063d1.bin
735195fe5f6d41ac73f996322af24c882657a2453cc5d56830387850c9f62068		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63D1 5384 bytes
font_01_sfnt_off0000762d.bin
416fe7993dc04799d7de898b60a9faf21e4fe35d134696f868f59d359de5f8af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x762D 10248 bytes

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