MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious File
T1059.001 PowerShell
The PDF document contains a lure related to installing Avast antivirus software, directing users to click on a malicious link. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and SE_BROWSER_INSTALL_LURE indicate a social engineering attempt to trick the user into downloading potentially malicious content. The primary malicious IOC is the redirector URL, which is likely used to serve further malicious payloads.
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument 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
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Embedded URL info EMBEDDED_URLOne 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/pify?keyword=avast+latest+version+offline+installer+free
- https://static.usrfiles.com/ugd/3e5d97_69500150d6c342a8bafe0971f4ee5200.pdf
- https://static.usrfiles.com/ugd/e3834b_e9f9655a9b2741e3b76fc4a01d5f332f.pdf
- https://static.usrfiles.com/ugd/4826f5_e5111111ec2d4b66bf8090deae1126ab.pdf
- https://static.usrfiles.com/ugd/0511f5_c5b2fe7fded047a49c5a5e6c489a3b7b.pdf
- https://static.usrfiles.com/ugd/0f5b72_751ef63a3528474b94e11d67529e21e4.pdf
- https://static.usrfiles.com/ugd/4d935e_ee6fc9e3cf9d4357bc40211650384c7a.pdf
- https://static.usrfiles.com/ugd/b8c837_7119d7506438486c878192cdadb45893.pdf
- https://static.usrfiles.com/ugd/33a16d_69efcbb95d9e432da7c9c129e4cd3c42.pdf
- https://static.usrfiles.com/ugd/b8c837_6b6aa1f6836a47dfb7b7df5241736d61.pdf
- https://static.usrfiles.com/ugd/1cc7e8_44319cb3a8b644478c562217a8990ac9.pdf
- https://cdn.shopify.com/s/files/1/0430/9005/1221/files/25795814430.pdf
- https://cdn.shopify.com/s/files/1/0433/4705/0661/files/tozodirifulaxop.pdf
- https://cdn.shopify.com/s/files/1/0433/0799/1195/files/lagu_celengan_rindu_feby_nc.pdf
- https://cdn.shopify.com/s/files/1/0429/9050/2042/files/spinal_tuberculosis.pdf
- https://cdn.shopify.com/s/files/1/0435/6951/2607/files/famewupa.pdf
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/80284744066.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006aa8.bin24279da49a8e0923156c775e6342b2ef53cb9496afffc16944d5e3cc727f30d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AA8 | 4600 bytes |
font_01_sfnt_off00007a50.bin455ee1874e9a3c413255ea8ed41570199162ebec13b753c073dda5433d2927ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A50 | 10120 bytes |
font_02_sfnt_off00009ceb.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CEB | 4324 bytes |
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