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, many of which point to disposable hosting and redirector infrastructure. One critical heuristic identified a link to known malicious redirector infrastructure, and the ML classifier strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are also present in the link farm, suggesting a coordinated effort to direct users to potentially harmful content.
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/pify?keyword=txconnect+eagle+pass+isd+net In PDF document text
- https://site-1038749.mozfiles.com/files/1038749/85587377843.pdfIn PDF document text
- https://site-1036977.mozfiles.com/files/1036977/57356863475.pdfIn PDF document text
- https://site-1038737.mozfiles.com/files/1038737/wabapimededelerujuwaweba.pdfIn PDF document text
- https://site-1038849.mozfiles.com/files/1038849/numipiwizedawovobo.pdfIn PDF document text
- https://site-1037081.mozfiles.com/files/1037081/devuzarufalodukixu.pdfIn PDF document text
- http://libagib.shellygiggey.com/uploads/1/3/1/1/131164239/dedufomujeno.pdfIn PDF document text
- http://luzad.justtwoeyes.candletothesun.com/uploads/1/3/0/8/130813855/xegedipilam_tewuwawulififu.pdfIn PDF document text
- http://files.robertaingranata.com/uploads/1/3/0/7/130775668/dipatopuliweka.pdfIn PDF document text
- https://itccsgb.esc20.net/PAEP/Login.aspxIn 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/1bda5784-3802-4165-8408-de53fb9c3c91/42388067663.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fa857e4f-d0fc-4ddc-98bd-17d28b9954a3/44523342717.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e552cb6-3379-4304-96dc-80ec802e0be5/91056631140.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48ebb171-2824-40b7-a729-cac319cea4b0/kedebinamiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/42770e33-6fd5-42c6-9b05-1fa9faded40a/nejogelufupebetutazoke.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77bea77e-720b-4ac3-8b86-fcdf51665cad/vebanorapus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88dacf29-6991-4c6c-8d5c-dae65dc2d002/viketuxejadudexotipakag.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_off00005a81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A81 | 5164 bytes |
SHA-256: 74ec6791f622e8ee8c8f81b49fa687801d16ab95117e2a4ef34d0b9e3df30336 |
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font_01_sfnt_off00006c2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C2C | 10548 bytes |
SHA-256: 6062234c7a272d77a3c91b9077e7ead6abb1099f09c26bd60a7ab5c6ad7859ee |
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