MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.cc/wix?keyword=aging+concepts+and+controversies+ninth+edition', points to a known malicious redirector. The document body, though heavily obfuscated, contains references to the same URL, suggesting a deliberate attempt to lure users to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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.cc/wix?keyword=aging+concepts+and+controversies+ninth+edition
- https://cdn.shopify.com/s/files/1/0430/6763/7922/files/ripolivokinonafujudilum.pdf
- https://cdn.shopify.com/s/files/1/0434/5040/0920/files/59565822650.pdf
- https://cdn.shopify.com/s/files/1/0436/0683/5358/files/82840858467.pdf
- https://cdn.shopify.com/s/files/1/0428/5172/9567/files/89703741677.pdf
- https://cdn.shopify.com/s/files/1/0435/2340/8032/files/13916572297.pdf
- https://cdn.shopify.com/s/files/1/0433/2758/6472/files/courageous_woman_reading_plus_answers.pdf
- https://static.usrfiles.com/ugd/c1de29_2005b26d5d194b239dcbd2d36b373228.pdf
- https://static.usrfiles.com/ugd/2f3ac6_e725b227927440c882183d9c556efd1f.pdf
- https://static.usrfiles.com/ugd/b8c837_1a36d9949354433ca8684a5763695c9d.pdf
- https://static.usrfiles.com/ugd/b8c837_3457e671e6fb4533951ef01701bff528.pdf
- https://static.usrfiles.com/ugd/f3cb45_d643b75aabe148ef85156dc404b96f69.pdf
- https://static.usrfiles.com/ugd/b8c837_f6f038eb6dce4d23bb1f7da16ae09421.pdf
- https://static.usrfiles.com/ugd/d4da64_f9204d3c5f9f414c844bfe36df94891a.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_off00005e42.bin01c1096af7515c55dd9c5010c2bf6ce7b8d55a9d3fe82da2141acf74b0939a6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E42 | 5352 bytes |
font_01_sfnt_off00007073.binf14a9eeb7dd6c78019d8c0e37b958d38f7cb4eb5ba62fe2b535d3be3ae95830a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7073 | 11696 bytes |
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