MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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 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://midufefew.ru/123?utm_term=nptel+antenna+and+wave+propagation+pdf PDF link annotation
- http://msertis.xyz/15641482439xws72.pdfIn PDF document text
- http://jofarofuwudeveb.66ghz.com/65490357797.pdfIn PDF document text
- http://getbuiss.online/frigidaire_gallery_model_fghb2866pfnacjss2.pdfIn PDF document text
- http://myyshooop224.site/learn2serve_tabc_answersiokrj.pdfIn PDF document text
- http://tokio-2020.fun/wosomop93f81.pdfIn PDF document text
- http://zijozarub.mygamesonline.org/23633792539.pdfIn PDF document text
- http://juwupexutaval.mywebcommunity.org/free_compare_and_contrast_examples.pdfIn PDF document text
- http://zozavelomidabi.scienceontheweb.net/75404274617.pdfIn PDF document text
- http://studytogether.fun/49111621573s7f19.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://biwosagamivi.myartsonline.com/82048151938.pdfIn PDF document text
- http://pumikowexudat.onlinewebshop.net/name_a_star_certificate.pdfIn PDF document text
- http://verepuremi.rf.gd/investigative_interview_techniques.pdfIn PDF document text
- http://kunipotow.epizy.com/82977220938.pdfIn PDF document text
- http://tokewaperomuveb.epizy.com/85858478179.pdfIn PDF document text
- https://4bc473c2-84d0-4913-8b4e-281bf44fba2e.filesusr.com/ugd/a25dbd_b178c97f64004ed2aa7d3675a88b8edc.pdf?index=trueIn PDF document text
- https://da99f664-88c7-4a27-98aa-0bbcec2e8f57.filesusr.com/ugd/66f3f9_5617db648259436d87289d0e0fb3de4c.pdf?index=trueIn PDF document text
- http://palelezugob.onlinewebshop.net/what_do_bbc_weather_icons_mean.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_off0000e289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE289 | 5152 bytes |
SHA-256: aff745b92bfd73d94208b122327b38bf0eab9958dae7403a9eddcec4fbe8e23e |
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font_01_sfnt_off0000f446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF446 | 10836 bytes |
SHA-256: f3c2a5871ff2337c1ff942d3c344a76d64744fba323c46700c377c1aaf46516b |
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