MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to disposable hosting and are part of a link farm. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the redirector link, suggesting an attempt to lead the user to malicious content. No scripts were extracted, but the PDF structure itself facilitates the attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.link/wix?keyword=some+days+quotes In PDF document text
- http://zizuf.cabads.net/uploads/1/3/1/0/131071181/kiwafaxanugepagik.pdfIn PDF document text
- http://files.abridgetoenglish.com/uploads/1/3/0/7/130740175/tijezejife.pdfIn PDF document text
- http://files.gaindetalks.com/uploads/1/3/0/8/130874629/dojoja-kefuzegomoli-wadab.pdfIn PDF document text
- http://tufefu.setgogym.co.uk/uploads/1/3/1/3/131379121/380208.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://259d4f1e-d336-4861-832b-fc15a12adda8.filesusr.com/ugd/3ed902_4388682250a84a05808882a979fa0acc.pdf?index=trueIn PDF document text
- https://10cb24df-9730-4431-9546-6fb294bb40d2.filesusr.com/ugd/66f3f9_93e1fa69a179463b85076e145d8d93d9.pdf?index=trueIn PDF document text
- https://8d7ef216-a0d7-45f5-9f1a-e0def7db7a4c.filesusr.com/ugd/fe0276_3fa0df6d5376402e805a471ccd202f2b.pdf?index=trueIn PDF document text
- https://88590ed5-44a3-4641-9a4d-3b46e1a1c90a.filesusr.com/ugd/c63bf9_23f77eb880c3471693046f3f6a078e53.pdf?index=trueIn PDF document text
- https://4009e31b-eab5-49f0-8232-12544d04561f.filesusr.com/ugd/89c6ad_2ab31a4bc09142c49519b7ca8540c16e.pdf?index=trueIn PDF document text
- https://32ae7092-3237-4515-a755-450679e0726d.filesusr.com/ugd/64f9d2_ac0489743cad4f18bdccd6c8644107ec.pdf?index=trueIn PDF document text
- https://fc5f7619-c96b-4d6b-b3c0-10c1f45d14de.filesusr.com/ugd/599026_18e08f5dfa6047bcb6b1bf79179c027a.pdf?index=trueIn PDF document text
- https://c93bd3b5-a92a-4281-ac8d-919fa6ac8dea.filesusr.com/ugd/4fb05f_cf419a56bc4941bf9bda75413fede8a8.pdf?index=trueIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2040/9256/files/39388694359.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5012/3943/files/sample_business_plan_for_high_school_students.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0006/2371/files/north_yuba_river_fishing_report.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0000a5dd.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA5DD | 25624 bytes |
SHA-256: 8d429fa13d916bdf11edb84ca0ecdb990360c566d4490a4e606b54f0fc6175b4 |
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font_00_sfnt_off00007208.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7208 | 5176 bytes |
SHA-256: fcf560725c02cab8baa9c5f47207f64a965dcc56990dc8d3bea8f6aa9f76ab29 |
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font_01_sfnt_off00008393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8393 | 9976 bytes |
SHA-256: 68df693b34ad67882c41b8edc0e63ad3d04ea78b70f816c7d7e0aeabcee4d122 |
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