MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to a critical heuristic firing for a malicious redirector link. It also exhibits characteristics of a PDF SEO link farm, with numerous embedded links. The primary malicious IOC is the redirector URL, which is likely used to lure victims into a phishing or malware distribution scheme. The document body contains garbled text but includes the malicious URL and several benign-looking URLs, suggesting a deceptive content strategy.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.me/wix?keyword=yo+yo+ma+torrent
- https://static.usrfiles.com/ugd/a2ebd8_4af8110f9df84ad8bd9b9d92b7cfe0b2.pdf
- https://static.usrfiles.com/ugd/a382ee_be5a43ac96a541d08d664cf5a928caa7.pdf
- https://static.usrfiles.com/ugd/b8c837_5a7332620b51444ea99b42c5d45787b3.pdf
- https://static.usrfiles.com/ugd/0fdb6d_f845caf439d74de39e2161f41d8dd06f.pdf
- https://static.usrfiles.com/ugd/0f5b72_999a5fc229534d49abdacce54ceae457.pdf
- https://static.usrfiles.com/ugd/e745be_8db368963c554d5da18d89979bcc9a37.pdf
- https://static.usrfiles.com/ugd/b8c837_ec3d7d3d8dd841bf9a75cbc7e12bbe3b.pdf
- https://cdn.shopify.com/s/files/1/0432/9226/2560/files/26841716125.pdf
- https://cdn.shopify.com/s/files/1/0428/5064/8223/files/wafuwefabetetere.pdf
- https://cdn.shopify.com/s/files/1/0447/5761/4741/files/cervical_disc_herniation_treatment.pdf
- https://cdn.shopify.com/s/files/1/0436/6453/9798/files/57225734966.pdf
- https://cdn.shopify.com/s/files/1/0434/7848/3096/files/82771586076.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e80.bina68ee944433913f8d3d4f0cea827befad8947613a00cf1dd1f92f4534acce4ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E80 | 4684 bytes |
font_01_sfnt_off00006e55.binf4938cea40215a80d381ccdb4f1929fff7208ce3b3394d50de0c20df79efd083 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E55 | 13012 bytes |
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