MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links pointing to various domains, many of which appear to be disposable hosting services. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute further malicious content. The ML classifier strongly supports the malicious verdict, and the presence of numerous external URIs suggests a pattern of directing users away from the initial document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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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External URI info PDF_URIPDF contains an external URL action
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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://zajinet.ru/wix?keyword=does+pennsylvania+have+a+death+penalty PDF link annotation
- https://nunevebola.weebly.com/uploads/1/3/4/8/134846747/b21593c8839ddfb.pdfIn PDF document text
- http://miiliioner.xyz/36432729866hau3v.pdfIn PDF document text
- https://tolajugim.weebly.com/uploads/1/3/4/6/134647220/878746.pdfIn PDF document text
- http://world-wild-shop.com/569507806347v8g9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482218/normal_603bea9ef0b56.pdfIn PDF document text
- https://redejejilitut.weebly.com/uploads/1/3/5/3/135305696/2e658c.pdfIn PDF document text
- https://tatogupuragafa.weebly.com/uploads/1/3/4/0/134096405/fudovowa.pdfIn PDF document text
- https://pubogovivewata.weebly.com/uploads/1/3/2/3/132302724/rurilofa.pdfIn PDF document text
- http://bazis-rostov.com/partnership_agreement_template_between_two_companiest08u0.pdfIn PDF document text
- http://vipmanmarket.space/dewey_decimal_classification_for_autobiographycs9fo.pdfIn PDF document text
- http://milanomodaitaly.site/liberty_equality_power_7th_editionth9xj.pdfIn PDF document text
- https://jikunuxot.weebly.com/uploads/1/3/4/3/134315974/dojupesiwojidu-rewukezisorejo-wosibaruza.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477637/normal_602d09a69c3ef.pdfIn PDF document text
- https://latabiwot.weebly.com/uploads/1/3/4/6/134612911/genalavebep-guwutosuropu.pdfIn PDF document text
- http://fherixq.com/adina_on_my_way_videoyd9ml.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472773/normal_5fc7a2625cda5.pdfIn PDF document text
- http://lnstagram-helps-contact.com/24764338907jdd0o.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401989/normal_5fec1b6548563.pdfIn PDF document text
- http://richteam.site/free_prefix_and_suffix_worksheets_for_4th_grade9q457.pdfIn PDF document text
- https://divekoworubu.weebly.com/uploads/1/3/4/0/134017674/moxevemixesukizazegu.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://0a01f052-6ee6-4bfa-868d-d2e49373b03f.filesusr.com/ugd/55f640_091dfc82c3c943ae94a0a96a45f74641.pdf?index=trueIn PDF document text
- https://b2f3f1fb-4f3f-4d5d-be65-f5b10dce6288.filesusr.com/ugd/735189_99836503e9104fcaa2299b0def1115ec.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_off0000ec87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC87 | 4900 bytes |
SHA-256: 0676d1c65126933e77cbc48ed16c84ebac05a4ed67e3897f2c313becb8e315df |
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font_01_sfnt_off0000fd35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD35 | 10424 bytes |
SHA-256: 7fc72df1b7ccd9c936e06a47e8ff420d916cbc3233a94a27472d0516caefef4b |
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font_02_sfnt_off000120a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A1 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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