Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6026b0272695d60…

MALICIOUS

PDF

119.6 KB Created: 2020-09-03 16:12:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 612aca85423495e32ba0a70cfb9ceeb2 SHA-1: e5aa616130654067cc085bda9471a1af36990713 SHA-256: d6026b0272695d60b2d092f536f71e0cda1bccc72233e47882a87754f3850aaa
200 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, which is a critical finding. The document body, though heavily obfuscated, contains a URL that appears to be part of a social engineering lure, specifically a browser extension or update installation prompt. This aligns with the 'SE_BROWSER_INSTALL_LURE' heuristic. The presence of a link farm and advance-fee scam language further supports the malicious intent. The primary IOC is the malicious redirector URL.

Heuristics 5

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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.club/wix?keyword=cascading+style+sheets+in+html+program
    • https://static.usrfiles.com/ugd/594ae5_82791dd3a3094f14a094cae34db5ae00.pdf
    • https://static.usrfiles.com/ugd/92ee2b_88ae045a092945e1ba247fe4cc43ab3a.pdf
    • https://static.usrfiles.com/ugd/ce0e6d_bdcea3e5914d498da46ec2785cc50c91.pdf
    • https://static.usrfiles.com/ugd/2f8cea_386e9968da374f9eb6648c2d693e16e2.pdf
    • https://cdn.shopify.com/s/files/1/0438/2723/2918/files/gegabisulugepaniroze.pdf
    • https://cdn.shopify.com/s/files/1/0432/9255/7467/files/best_video_er_for_mac_online.pdf
    • https://cdn.shopify.com/s/files/1/0434/8982/0836/files/72698288525.pdf
    • https://static.usrfiles.com/ugd/b8c837_8b453d6624434715a0b99af8679feebe.pdf
    • https://static.usrfiles.com/ugd/b58d21_2d2e18b71aa9404a9587bdb8f5b10511.pdf
    • https://static.usrfiles.com/ugd/3ceeb9_edf0ae5dd84f414684a54dd992c88b62.pdf
    • https://static.usrfiles.com/ugd/fac845_b70578319ddc41bfbc1075ca2365ebfd.pdf
    • https://static.usrfiles.com/ugd/857e61_5c2e42e146bd48119af6bfc178e7a744.pdf
    • https://cdn.shopify.com/s/files/1/0436/9884/7896/files/ielts_listening_vocabulary_2020.pdf
    • https://cdn.shopify.com/s/files/1/0428/9704/7718/files/levowerogerexasem.pdf
    • https://cdn.shopify.com/s/files/1/0428/4681/4374/files/98117889312.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001670a.bin
0b1ce5b0cde31ac976bd52fd2d7618aa63e75d94b1ad48cebdbb9c3db78caf28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1670A 5400 bytes
font_01_sfnt_off00017934.bin
222372329a0dfdf35b43a6a36d099bf6fae702da52b761912ec766c98778fa2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17934 16612 bytes
font_02_sfnt_off0001ad3e.bin
39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1AD3E 16092 bytes
font_03_sfnt_off0001c205.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C205 4324 bytes

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