MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with the primary URL identified as a malicious redirector. The document body, though heavily obfuscated, contains references to URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or lure users to malicious content. The ML classifier strongly indicates 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/wb?keyword=tulsi%20vivah%20aarti%20pdf
- http://files.caritascomics.com/uploads/1/3/1/3/131383480/4700687.pdf
- http://befinos.nudgetraining.com/uploads/1/3/0/7/130775971/5f5e13b91.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fedorahosted.org/lohit
- https://cdn.shopify.com/s/files/1/0448/0948/6498/files/abstract_reasoning_practice_tests_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0434/1530/6405/files/lefojumederevigitemadefe.pdf
- https://cdn.shopify.com/s/files/1/0430/1642/1529/files/43808538346.pdf
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/free_pbr_materials.pdf
- https://cdn.shopify.com/s/files/1/0431/2891/4087/files/98015040163.pdf
- https://cdn.shopify.com/s/files/1/0435/0499/2408/files/57125927936.pdf
- https://cdn.shopify.com/s/files/1/0433/9869/3022/files/rupodulova.pdf
- https://cdn.shopify.com/s/files/1/0434/9997/8904/files/37391628616.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6849/files/internet_advertising_is_anybody_watching.pdf
- https://cdn.shopify.com/s/files/1/0432/8062/9913/files/fundamentals_of_electrical_engineering_rizzoni.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_off00003ef4.bin0d684b8aa4d5c3d5b48f702c98ed4fa5e1d97f3a915fb26319ecde02408d8d8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3EF4 | 5136 bytes |
font_01_sfnt_off00005069.bin9d8f5260be5344931b1ee149029183a3924493cb055c40812cb8a15adf054f7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5069 | 9296 bytes |
font_02_sfnt_off0000706a.binfcd8d123cc0e886cba779616d3d5b86ce5851d0081c8a48a60fda5f3eda96d54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x706A | 3608 bytes |
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