Malicious PDF — malware analysis report

Static analysis result for SHA-256 e297219bbfc064af…

MALICIOUS

PDF

44.8 KB Created: 2020-07-27 13:22:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5327acf75b6578292e12d5b9f477238d SHA-1: be8b0db2e6c2348828432a6e06aceace72a2314a SHA-256: e297219bbfc064afb71774e76bdcb969ca2058fefeb0a0b07d8fa19a7ff7e83b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains a social engineering lure, instructing the user to install a browser extension. It embeds numerous links, with one pointing to a known malicious redirector. The primary goal appears to be tricking users into installing potentially harmful browser extensions, which can lead to credential theft or malware installation.

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.
  • 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.cc/pify?keyword=ant++manager+extension+for+google+chrome
    • http://files.alleghenymemorials.com/uploads/1/3/1/3/131398052/6812202.pdf
    • http://files.empoweredhospitality.com/uploads/1/3/1/4/131437862/faxoxotaf.pdf
    • http://files.rosconvent.ie/uploads/1/3/1/8/131856456/892f6ad5da3782c.pdf
    • http://files.sewmuchforthat.org/uploads/1/3/1/6/131636954/godejupi-fobutusojo.pdf
    • http://files.fibro180.com/uploads/1/3/2/6/132696063/munivevijiliguwiz.pdf
    • http://files.alleghenymemorials.com/up
    • https://cdn.shopify.com/s/files/1/0431/2442/4870/files/sebusifa.pdf
    • https://cdn.shopify.com/s/files/1/0433/9191/0038/files/94256139885.pdf
    • https://cdn.shopify.com/s/files/1/0432/9711/2219/files/2908684191.pdf
    • https://cdn.shopify.com/s/files/1/0438/7084/7131/files/puxanumiga.pdf
    • https://cdn.shopify.com/s/files/1/0430/0688/6051/files/zebugikixuxexudet.pdf
    • https://cdn.shopify.com/s/files/1/0430/9581/8404/files/gajuwude.pdf
    • https://cdn.shopify.com/s/files/1/0427/7361/0663/files/64562695443.pdf
    • https://cdn.shopify.com/s/files/1/0433/8126/0440/files/kozipir.pdf
    • https://cdn.shopify.com/s/files/1/0433/9073/0405/files/genasebufita.pdf
    • https://cdn.shopify.com/s/files/1/0436/1266/8066/files/13203657319.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_off00007271.bin
81f3503dc36e1a1148f5701203a459a359c3d32bcce2640620a65ffeac604b8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7271 5140 bytes
font_01_sfnt_off000083af.bin
d7968e527e62441e2abc45854b496d809edd782324298e7d1056877bd6b1e683		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83AF 9968 bytes

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