MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links pointing to various domains, many of which are hosted on disposable or redirector infrastructure. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier further support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://crophysi.ru/123?utm_term=yuval+noah+harari+guardian+review In PDF document text
- https://cdn.sqhk.co/jesuzedavoti/czihcjb/gajiwutezesikevigufekisuw.pdfIn PDF document text
- https://cdn.sqhk.co/sovokeduseb/iiLimhg/84884174538.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4372735/normal_5fef102b97c04.pdfIn PDF document text
- https://fezulenigi.weebly.com/uploads/1/3/4/4/134485980/zemuz.pdfIn PDF document text
- https://cdn.sqhk.co/jefapukawore/iTvXjcy/descargar_apk_de_geometry_dash_world_full_version.pdfIn PDF document text
- http://zespodsvetkoy.site/voltage_drop_calculator_3_phasexuhl2.pdfIn PDF document text
- https://cdn.sqhk.co/gorisaburo/ieicjgE/bubble_boy_poker_meaning.pdfIn PDF document text
- https://jinikegubu.weebly.com/uploads/1/3/4/8/134873825/26f0815.pdfIn PDF document text
- https://medabuxizuf.weebly.com/uploads/1/3/4/3/134383904/vumapow.pdfIn PDF document text
- http://zanovekolasin.mywebcommunity.org/venstar_t2900_blank_screen.pdfIn PDF document text
- http://xuwuvewisin.mypressonline.com/dumujezila.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413122/normal_5fd5f48e82db9.pdfIn PDF document text
- http://bonus332.site/jipuraxonizazesopbmdal.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454821/normal_5fc5e0d0c8cbf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458137/normal_60297c9a860a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454422/normal_5fd30780ad347.pdfIn PDF document text
- http://phulop.store/rotelazinarixozubuxaocug6.pdfIn PDF document text
- http://fanisore.sportsontheweb.net/what_is_the_white_queen_based_on.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451374/normal_5fcbcab86122e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466379/normal_5fef7c47f3d41.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447649/normal_5fc665f37eae5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000edeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDEB | 5024 bytes |
SHA-256: 6aa40276b73f87e8b57b4bd5dd2cc5ee32e415029dca91b8ed73486f61effabe |
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font_01_sfnt_off0000ff0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF0D | 11280 bytes |
SHA-256: d7a63448ec3cbeceea167c4a6d71315606d2ae1f01f1bef05d77636b7b834c03 |
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