MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple embedded links, including one identified as a malicious redirector, and a large number of other PDF links, suggesting a link farm. The document body, though partially garbled, contains text related to 'wbcs main question paper 2020 pdf' and a URL, indicating a lure to download or access content. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button lure further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
-
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.
-
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.
-
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
-
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.
-
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.link/123?keyword=wbcs+main+question+paper+2020+pdf
- https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/5872110.pdf
- https://pigogokeda.weebly.com/uploads/1/3/1/8/131857695/353779.pdf
- https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/9253690.pdf
- https://cdn-cms.f-static.net/uploads/4368759/normal_5f8a894b552f1.pdf
- https://cdn-cms.f-static.net/uploads/4366004/normal_5f8940139c8e7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/e120bf81-3124-48d7-81f6-3863d106cba1/wukobopanotofibamudet.pdf
- https://uploads.strikinglycdn.com/files/a3c57031-1aab-4364-b1a8-d0ccf6fa78a9/76986645940.pdf
- https://uploads.strikinglycdn.com/files/ef6cc302-66f8-4358-8935-b5c074cc964e/95698535244.pdf
- https://uploads.strikinglycdn.com/files/1db83942-58b2-4ad7-b9e9-caa712af17ca/8468907207.pdf
- https://uploads.strikinglycdn.com/files/3473720c-8418-48e7-b98f-e5bc7353c0fb/rasavetarexaganufig.pdf
- https://uploads.strikinglycdn.com/files/e6816b54-ea77-4a3e-ab20-793847864844/86144612072.pdf
- https://uploads.strikinglycdn.com/files/01a32d91-8633-4972-b771-89f992716611/sowigadawusumoxedewepuxal.pdf
- https://uploads.strikinglycdn.com/files/ef0b9dc5-617a-41e9-807e-ccc38cc14223/65069230249.pdf
- https://uploads.strikinglycdn.com/files/0f93ae01-ca8f-4e91-a559-b7ee7fc4b234/waxipuzi.pdf
- https://uploads.strikinglycdn.com/files/eca3d175-f696-44c3-8582-1b91716f03e3/sexukisazebetamis.pdf
- https://cdn.shopify.com/s/files/1/0439/6092/6366/files/98301936841.pdf
- https://cdn.shopify.com/s/files/1/0434/2461/2509/files/bufekosarikojilig.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062d0.bind20e464fbefe85214f1f87fd83ba59b04dd76e3d8e2b0b28835f66a581c14a5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62D0 | 5824 bytes |
font_01_sfnt_off00007689.bin75375c72507d7bda49684b07a86df30a9f7904fba70ff32642ecf42fe5ce1133 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7689 | 10320 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.