MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, identified as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or SEO spam. The embedded links, such as 'https://mezovuduw.ru/award?keyword=libros+de+ajax+javascript+y+php+pdf', are designed to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://mezovuduw.ru/award?keyword=libros+de+ajax+javascript+y+php+pdf PDF link annotation
- http://jerugujekema.getenjoyment.net/65485017726.pdfIn PDF document text
- https://poxobavu.weebly.com/uploads/1/3/1/4/131453713/285c50.pdfIn PDF document text
- http://kino-vezde.ru/gavalebabopatiwoqbd54.pdfIn PDF document text
- http://subanufuxazis.iblogger.org/jorge_basadre_historia_de_la_republica_del_peru.pdfIn PDF document text
- https://wopatozobaw.weebly.com/uploads/1/3/2/6/132682171/kulevunesisa-jadebi.pdfIn PDF document text
- http://mon-cmb.best/jelugabanurinagalufafe1wzfh.pdfIn PDF document text
- http://galosidijixiwu.mypressonline.com/xezobufo.pdfIn PDF document text
- http://wefinexof.iblogger.org/graphic_designer_resume_format_for_fresher.pdfIn PDF document text
- http://vurejowug.mypressonline.com/puxofapawavimifelizoxa.pdfIn PDF document text
- http://leduxebawini.22web.org/kamolewezomepego.pdfIn PDF document text
- http://cosmicgig.com/andrea_bocelli_si_mp33x1hs.pdfIn PDF document text
- http://giwudogor.scienceontheweb.net/dosis_cefadroxil_anak.pdfIn PDF document text
- https://dufebekeromodi.weebly.com/uploads/1/3/0/7/130776386/9422505.pdfIn PDF document text
- http://wofixizufiw.22web.org/usb_2._0_ethernet_adapter_android.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d0275d90-c5b4-4c72-b581-d0e2b62fc6dd.filesusr.com/ugd/ee54da_fb0333fc1fe04096ac360bc9a76ea16b.pdf?index=trueIn PDF document text
- https://19972ee8-34f0-4900-8009-9f590161cd02.filesusr.com/ugd/64db51_804bfd7633884563a58eb87be0b9f302.pdf?index=trueIn PDF document text
- http://pigibotokaper.epizy.com/clash_royale_mod_apk_androeed._ru.pdfIn PDF document text
- http://jezevenakos.myartsonline.com/94551203922.pdfIn PDF document text
- https://71b4061d-0fbe-47a8-a671-08758978b022.filesusr.com/ugd/0216f2_bb262966c0fb4a6e986c5ff6fadf67b5.pdf?index=trueIn PDF document text
- https://627f215e-41ba-4aa4-9906-5f9f9d117739.filesusr.com/ugd/8ab72e_9a6afed2c87b494cbabb9fc3b4bd83b1.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC0C | 5596 bytes |
SHA-256: e93610f42da087c2dd627e8027a49a8f6cb2a88f7f625c0e5cf4a0b0383cfad5 |
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font_01_sfnt_off0000ef20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF20 | 11532 bytes |
SHA-256: 01dad7911a7c45ca2e2d6d0cbdfe3d6cb3722865522439584aef09a607bdd4e4 |
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