MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for a malicious redirector link, pointing to a URL that is disguised as an academic resource. The document body, though heavily obfuscated, contains the same URL, reinforcing the lure. The presence of numerous external PDF links suggests a link farm used for SEO poisoning or distributing further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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/123?keyword=gina+wilson+all+things+algebra+2012+answer+key In PDF document text
- https://cdn-cms.f-static.net/uploads/4416502/normal_5f9c0f5c7ec95.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393022/normal_5f9b8dc928d96.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408853/normal_5f9be420bef24.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378410/normal_5f9c17f3544c1.pdfIn PDF document text
- https://vupimolafi.weebly.com/uploads/1/3/1/3/131398504/7d4b3a0a3c0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9cef2fcf-0e04-4a1e-9a69-56902254f701/mega_miner_hacked_unblocked_76.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a657f6c1-d7b5-492f-a067-a46775fef34a/51616641063.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d424100-6f82-44bf-b9e8-da31f3df2e04/download_apk_uc_browser.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d131d418-a707-46d3-9b72-ed7cb1ce0b9f/72583202379.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA323 | 5700 bytes |
SHA-256: d9fc0d0bbcb3150648fe52538357800637c4b3af340aa6b155de0b78272da640 |
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font_01_sfnt_off0000b6a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6A2 | 13868 bytes |
SHA-256: 7b0c0ad71e6ebf4f60eb32efdd6c8d115fc922e9f436541dd124af7c374e8154 |
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