Malicious PDF — malware analysis report

Static analysis result for SHA-256 3919096220391428…

MALICIOUS

PDF

42.2 KB Created: 2020-08-31 03:46:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4723ef9f1b852b8544671110769d3db0 SHA-1: 331ee16402ed37d7bdbd3d41ba75f86092a57624 SHA-256: 39190962203914282c96823f3f583473de05149e4bf5f77a7fcd90e1992f5018
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one heuristic specifically identifying it as a PDF SEO link farm. The primary malicious URL, 'https://ttraff.ru/wix?keyword=periodos+del+trabajo+de+parto', is flagged as a known malicious redirector. While many other links point to benign Shopify domains, the presence of the malicious redirector and the sheer volume of links suggest an attempt to manipulate search engine results or lead users to harmful content.

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=periodos+del+trabajo+de+parto
    • https://cdn.shopify.com/s/files/1/0433/5671/7224/files/search_engine_optimization_starter_guide_download.pdf
    • https://cdn.shopify.com/s/files/1/0448/3717/5456/files/kent_county_jail_inmate_search.pdf
    • https://cdn.shopify.com/s/files/1/0433/6500/7509/files/jibabejolerazanigamiwoseg.pdf
    • https://static.usrfiles.com/ugd/b8c837_1aaf8e732ebf43249cdee28f20905d00.pdf
    • https://static.usrfiles.com/ugd/3aee12_fc9fa85419464be7b0820ea7fd6b59b5.pdf
    • https://static.usrfiles.com/ugd/5438e3_b1c6bbeabe6a4f02bcdf0dc0679f5f42.pdf
    • https://static.usrfiles.com/ugd/b8c837_11db2222ef77485abd0fab85b8fdd4a1.pdf
    • https://static.usrfiles.com/ugd/b8c837_042ded1c11234268b377a95cc34b3e07.pdf
    • https://static.usrfiles.com/ugd/b8c837_363a21300852470bb82d5ec650e2785c.pdf
    • https://static.usrfiles.com/ugd/b8c837_e1de1c023a5a4ace8c1d74a72eafdd2f.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_off000058e5.bin
c6a3c53011e5bf2862cdf5b4aceeaded54f19dcc48870fece036142095df42e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58E5 4852 bytes
font_01_sfnt_off0000696a.bin
7d68a6d98cee747b70e02e7a29a6dd16bc5607bacaa7949943fc77f53a8a18b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x696A 10812 bytes
font_02_sfnt_off00008ccb.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CCB 4324 bytes

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