MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of a link farm designed to improve search engine rankings. One of these links, https://ttraff.com/wix?keyword=hamstring+exercise+after+acl+surgery, is identified as a malicious redirector. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is used for malicious redirection.
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.com/wix?keyword=hamstring+exercise+after+acl+surgery
- https://cdn.shopify.com/s/files/1/0435/5833/8715/files/nubemu.pdf
- https://cdn.shopify.com/s/files/1/0427/9864/5404/files/96190617905.pdf
- https://cdn.shopify.com/s/files/1/0435/2301/4824/files/libro_caballo_de_troya_1_para_leer_gratis.pdf
- https://cdn.shopify.com/s/files/1/0429/5937/2439/files/bafemabinem.pdf
- https://cdn.shopify.com/s/files/1/0432/6552/3862/files/potikalekuzabesaxafolumi.pdf
- https://static.usrfiles.com/ugd/b8c837_84db9e038b76482c880203a6b52351f6.pdf
- https://static.usrfiles.com/ugd/b8c837_76517ad3aae0491997d8781ec65862e6.pdf
- https://static.usrfiles.com/ugd/ace02d_a2a0b40bc0d74b5dae796a29ebc49d39.pdf
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/str-_dn1060_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/1390/6333/files/47569932378.pdf
- https://cdn.shopify.com/s/files/1/0431/4664/1570/files/59295404801.pdf
- https://cdn.shopify.com/s/files/1/0432/0509/9675/files/ccri_drivers_ed.pdf
- https://static.usrfiles.com/ugd/b8c837_cdfc22dafde64875ada98deafc55b3ca.pdf
- https://static.usrfiles.com/ugd/b8c837_5b86ac5d3a4c43088823d502d87f9643.pdf
- https://static.usrfiles.com/ugd/b8c837_7abbe3ac97e94446a9a8ad4482f93da4.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_off00006189.binebe1e47d10a1e3d3f5af1af1d728881647380257451723bb015872d18cd18dd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6189 | 5332 bytes |
font_01_sfnt_off0000739c.binf86d7a6ef92a3b76c22d561b4fccea743121b85a68d58d2e96fe705545aa61bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x739C | 10268 bytes |
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