MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links and text that mimic a legitimate document about knee pain exercises, but the primary link redirects to a known malicious domain (ttraff.com). This suggests a phishing or SEO-based malicious content distribution scheme. The ML classifier strongly indicates maliciousness, and the presence of multiple external links points to link farming or redirection tactics.
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/pify?keyword=patellofemoral+knee+pain+exercises+pdf
- http://files.lepinkandco.com/uploads/1/3/2/8/132814166/desuviwisu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0434/7065/1542/files/amiodarone_infusion_protocol.pdf
- https://cdn.shopify.com/s/files/1/0432/1047/3633/files/54606944698.pdf
- https://cdn.shopify.com/s/files/1/0428/4078/5062/files/gajekunaviwowixatejumi.pdf
- https://cdn.shopify.com/s/files/1/0437/1978/6645/files/30326559336.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3750/files/nudur.pdf
- https://cdn.shopify.com/s/files/1/0431/9897/2066/files/69288777219.pdf
- https://cdn.shopify.com/s/files/1/0435/8373/3921/files/78896412971.pdf
- https://cdn.shopify.com/s/files/1/0431/6495/8879/files/47175949597.pdf
- https://cdn.shopify.com/s/files/1/0428/6663/9014/files/60488186919.pdf
- https://cdn.shopify.com/s/files/1/0434/2562/8327/files/flyff_blade_equipment_guide.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007a85.bin8485e7cad76f0bc4940149c7502c15458fafdbe2e0132be146b8b80edd918047 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A85 | 5220 bytes |
font_01_sfnt_off00008c29.bina0e97bf8fde4db4049405033b5bfd7326a0a46ec1f2b3664dd0f1e4f1b935f73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C29 | 10284 bytes |
font_02_sfnt_off0000af57.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF57 | 4324 bytes |
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