MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a primary link to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Nautical charts apps for android' and the malicious URL, suggesting a lure to trick users into clicking the redirector. The ML classifier strongly supports the malicious verdict.
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=nautical+charts+apps+for+android
- https://static.usrfiles.com/ugd/0df15e_74685e69a69b45278336bd239f22aefe.pdf
- https://static.usrfiles.com/ugd/e02969_7ef499f0d4c94ceda94117321fb7ee0f.pdf
- https://static.usrfiles.com/ugd/b8c837_c5576bb4e82e473a9abac39e90c939a7.pdf
- https://static.usrfiles.com/ugd/2f8cea_730753450e364970a3cf37cffe07df2a.pdf
- https://static.usrfiles.com/ugd/36f25b_60fa6fb86acb479c9db31fd2a50809d0.pdf
- https://cdn.shopify.com/s/files/1/0430/9565/4554/files/42069246192.pdf
- https://cdn.shopify.com/s/files/1/0432/2492/4319/files/20326955790.pdf
- https://cdn.shopify.com/s/files/1/0434/1052/2279/files/camel_case_format_in_java.pdf
- https://cdn.shopify.com/s/files/1/0436/0749/0717/files/centrifugal_blower_maintenance.pdf
- https://cdn.shopify.com/s/files/1/0433/1867/3566/files/59540598666.pdf
- https://cdn.shopify.com/s/files/1/0438/7130/5896/files/75394600500.pdf
- https://cdn.shopify.com/s/files/1/0433/4678/8502/files/83379432225.pdf
- https://cdn.shopify.com/s/files/1/0436/0686/8131/files/86804250548.pdf
- https://cdn.shopify.com/s/files/1/0438/2926/4546/files/gufeba.pdf
- https://cdn.shopify.com/s/files/1/0433/4705/0661/files/19132417650.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/gewawaribatiruzi.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_off00006880.bincabd7c3d47a712808f1faa1a52ad7103eefb70a23d4532d32ae3b9cb11f03532 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6880 | 5212 bytes |
font_01_sfnt_off00007a36.bin2593c931528857af62ca42c44470f87389c0012bdf569f2ed5dad65fab31de11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A36 | 10448 bytes |
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