MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/wix?keyword=sullivan+precalculus+9th+edition+sol'. The document body, though heavily obfuscated, also contains this URL and other links to Shopify domains, suggesting a link farm or redirection tactic. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lead users to harmful content.
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=sullivan+precalculus+9th+edition+sol
- https://cdn.shopify.com/s/files/1/0432/1165/3277/files/minecraft_batman_videos.pdf
- https://cdn.shopify.com/s/files/1/0434/2172/8919/files/fuvuros.pdf
- https://cdn.shopify.com/s/files/1/0431/0210/9856/files/34957334494.pdf
- https://cdn.shopify.com/s/files/1/0433/8008/0801/files/wonovubu.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/92190664750.pdf
- https://cdn.shopify.com/s/files/1/0432/6031/3768/files/15858038931.pdf
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/fleetguard_filter_cross_reference.pdf
- https://static.usrfiles.com/ugd/b8c837_042bcdc01125418b8b193e4ea30b423a.pdf
- https://static.usrfiles.com/ugd/b8c837_b1a0654b70ed4c788273c6c4335679f8.pdf
- https://static.usrfiles.com/ugd/b13fd1_2385a31158ec429fac48798a919ae4ab.pdf
- https://cdn.shopify.com/s/files/1/0427/9028/9574/files/vuxenejet.pdf
- https://cdn.shopify.com/s/files/1/0432/1063/7475/files/mirogu.pdf
- https://cdn.shopify.com/s/files/1/0437/3407/3505/files/61457506710.pdf
- https://cdn.shopify.com/s/files/1/0431/6633/5142/files/angular_material_form_example_github.pdf
- https://cdn.shopify.com/s/files/1/0438/4115/9333/files/48291945038.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_off00004f53.binab81c97fb2e18d160f874f221244bc964f19f0478f462a94b3ffdfde9d051067 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F53 | 5480 bytes |
font_01_sfnt_off000061e3.bine26c8c53d568d4deee90fbd7cac1d8e1f7f8b3771e6b8c4b1686ae427e5f735b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61E3 | 9684 bytes |
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