Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb063ea6fe880612…

MALICIOUS

PDF

56.0 KB Created: 2020-08-05 16:40:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62d6f907d3d5360c9efdc8e8a76ba4e4 SHA-1: 6d12c6fe5078dbb870f0b02ddb79635d55e87124 SHA-256: cb063ea6fe880612ed57579d15cbe057ef2a383443a255869a70ea3db21f92a6
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL `https://ttraff.ru/pify?keyword=burnt+norton+ts+eliot+pdf` is directly linked to this malicious infrastructure. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs, suggesting an attempt to manipulate search engine results or distribute content through a large number of links. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the finding.

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/pify?keyword=burnt+norton+ts+eliot+pdf
    • http://files.ivyshi.org/uploads/1/3/1/3/131379296/zonelaj.pdf
    • http://files.bopmusicschool.org.nz/uploads/1/3/1/4/131437172/9664d77cde.pdf
    • http://files.lorainedavies.com/uploads/1/3/1/4/131484395/pumezale.pdf
    • https://cdn.shopify.com/s/files/1/0437/4292/0869/files/91643103969.pdf
    • https://cdn.shopify.com/s/files/1/0431/4906/6394/files/nitifurowo.pdf
    • https://cdn.shopify.com/s/files/1/0435/1095/6196/files/kafisolafopujumuzilizut.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38461358607.pdf
    • https://cdn.shopify.com/s/files/1/0430/1760/1181/files/32103391760.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49839171509.pdf
    • https://cdn.shopify.com/s/files/1/0439/6787/3182/files/git_force_pull_from_remote.pdf
    • https://cdn.shopify.com/s/files/1/0430/8297/3346/files/76815427333.pdf
    • https://cdn.shopify.com/s/files/1/0433/7418/2563/files/gmc_acadia_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/2534/9283/files/mary_go_round_south_park_mexican.pdf
    • https://cdn.shopify.com/s/files/1/0429/9603/9839/files/zokarezutafikunupeliweze.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_off000085d8.bin
c7c1c6d3b09a3737f7533530139c6bbb16704921bc0db4efb4492990e18cedca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85D8 4756 bytes
font_01_sfnt_off0000960f.bin
90c52a036d754de86620f4e6554b6ef3bc7323cbaa146b5259bdb9dbfd84086e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x960F 16040 bytes
font_02_sfnt_off0000c4f8.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC4F8 4324 bytes

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