MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links pointing to external PDF files hosted on various domains, many of which appear to be disposable. One critical heuristic identified a link to known malicious redirector infrastructure. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains a URL that mirrors the malicious redirector. This suggests the file is part of a link farm or SEO manipulation scheme, potentially leading to malicious content distribution.
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=2004+pt+cruiser+manual In PDF document text
- http://wekatoxit.kierlandpop.com/uploads/1/3/1/4/131408229/dokimoji.pdfIn PDF document text
- http://files.oldgoatlures.com/uploads/1/3/0/9/130969003/c113adc.pdfIn PDF document text
- http://zexubata.fleenorfamilyadventure.com/uploads/1/3/1/4/131453501/xuponadarate.pdfIn PDF document text
- http://files.jamesbondbooks.co.uk/uploads/1/3/1/4/131453530/zesanujuweginuxobun.pdfIn PDF document text
- http://files.iphoneonestop.com/uploads/1/3/1/3/131380626/woselezesodaxe_sikejaxejojat_pobutivikoxa_mogesuwumo.pdfIn PDF document text
- http://files.peppahead.com/uploads/1/3/1/4/131453907/tudiferop-dikodewevelox-xedagim-kulanabasesi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://2ee523f9-7a63-40a7-9563-845a32c6d754.filesusr.com/ugd/b1b3ad_a0d2149be8d84f3fa3b8849be8c10ca8.pdf?index=trueIn PDF document text
- https://4cdf2317-3ed6-4b7d-95e2-785a95044b21.filesusr.com/ugd/0d018b_41ff9e2ed7314238936bbfe9545ec801.pdf?index=trueIn PDF document text
- https://5ebba418-9f05-44de-b97b-e8f44e147fd2.filesusr.com/ugd/d2cc1f_ce395aa4b2c7477aaf84f895905db8f4.pdf?index=trueIn PDF document text
- https://82c5911a-6352-424f-8ab7-c46649a6b6ce.filesusr.com/ugd/c450b2_c0b2f3e9a218444c8ad41321c0074930.pdf?index=trueIn PDF document text
- https://b271ee95-a830-47ce-b829-9acfa44d48c9.filesusr.com/ugd/69695d_437f382da57f42bf97f17de33afd3121.pdf?index=trueIn PDF document text
- https://a0214df4-66a8-493a-bf6b-a589106e92eb.filesusr.com/ugd/5f5755_b8e5e151bc8741bab8bd6f777da3af48.pdf?index=trueIn PDF document text
- https://2b511df3-9262-4852-838c-3a35170fe1fd.filesusr.com/ugd/868b90_92d4c39220cc4b98b7d8c2b6823cdd17.pdf?index=trueIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005723.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5723 | 5116 bytes |
SHA-256: 5f46488c6f01e7234b510183e3b4cc01e35e284b84e53895390231cb20084924 |
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font_01_sfnt_off00006866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6866 | 10108 bytes |
SHA-256: ac28e42c3803e1f3d8651caff749903ad1baed04d3b2009bde9094c8ce2fc2b5 |
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font_02_sfnt_off00008b0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B0A | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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