MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many of which point to a link farm designed for SEO manipulation. One of these links, https://ttraff.com/wix?keyword=algebra+for+olympiad+problems+and+solutions+pdf, is identified as a malicious redirector. The presence of a 'download button' heuristic further suggests a deceptive lure. The document body, though heavily obfuscated, contains references to the malicious URL and other benign-looking PDF links, likely to mask the malicious intent.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/wix?keyword=algebra+for+olympiad+problems+and+solutions+pdf
- https://static.usrfiles.com/ugd/455f95_3e7e381895e34bada722ee29e4f23a64.pdf
- https://static.usrfiles.com/ugd/b8c837_5c54bd2ae6154264994c4dc68574f727.pdf
- https://static.usrfiles.com/ugd/b77b08_b5794062466f468caeca212075c16886.pdf
- https://static.usrfiles.com/ugd/271e65_1c119ade33fb41cbaeb7990e7f560b3f.pdf
- https://static.usrfiles.com/ugd/40512e_11ecc3794ba648ab8e85ffefe4dd5510.pdf
- https://static.usrfiles.com/ugd/b8c837_fd8539a7c5b848be8d4ab155ebe52973.pdf
- https://static.usrfiles.com/ugd/b8c837_a1117a24b7914803b9f29e7f4ed783d4.pdf
- https://static.usrfiles.com/ugd/5af86b_0192b2b37dc544feba16aad9a0a726e9.pdf
- https://cdn.shopify.com/s/files/1/0432/2266/3325/files/rubebototazud.pdf
- https://cdn.shopify.com/s/files/1/0430/8385/8080/files/39919039419.pdf
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/47043257319.pdf
- https://cdn.shopify.com/s/files/1/0427/4854/3142/files/jirilo.pdf
- https://cdn.shopify.com/s/files/1/0436/0660/5987/files/45496585681.pdf
- https://cdn.shopify.com/s/files/1/0427/9900/5863/files/podavinaxovujekima.pdf
- https://cdn.shopify.com/s/files/1/0436/0699/9203/files/canon_lbp_2900b_toner_refilling.pdf
- https://cdn.shopify.com/s/files/1/0436/6431/0425/files/jumovetuwezokafijofida.pdf
- https://cdn.shopify.com/s/files/1/0431/4031/7350/files/tumisolusiz.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_off000067b3.bin0af7403817f840857cfcda5dd97567df276e62f66c60476fa56c147ff36146e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B3 | 5476 bytes |
font_01_sfnt_off00007a30.binb850561f06bb64776b85fbbfcc50af7fc800ce604883e5fdc0598c0728828a3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A30 | 9968 bytes |
font_02_sfnt_off00009c52.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C52 | 4324 bytes |
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