MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains keywords related to therapy interventions, likely a lure to encourage clicks on the embedded malicious URLs. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://vilenefex.ru/aws?utm_term=solution+focused+brief+therapy+interventions PDF link annotation
- http://tryadasert.online/47564650921b9uh0.pdfIn PDF document text
- http://posadukik.getenjoyment.net/68595697279.pdfIn PDF document text
- http://pegejoruvufiron.sportsontheweb.net/64288758181.pdfIn PDF document text
- https://waruzakelejabu.weebly.com/uploads/1/3/4/6/134600446/sesagokuzefudada.pdfIn PDF document text
- http://vorecan.space/quiz_2_semana_7_herramientas_de_logica_computacionalctl96.pdfIn PDF document text
- https://devarewiwigunum.weebly.com/uploads/1/3/2/7/132710712/2095960.pdfIn PDF document text
- http://pop-marketplace.ru/cambridge_igcse_business_studies_coursebook_answersipv99.pdfIn PDF document text
- http://itprod.space/how_long_does_it_take_to_charge_plantronics_backbeat_fit9c25f.pdfIn PDF document text
- https://vusutiti.weebly.com/uploads/1/3/4/7/134762674/vifav.pdfIn PDF document text
- https://zugixipenelir.weebly.com/uploads/1/3/4/5/134591811/pojomipove-sowut-rejagogorid.pdfIn PDF document text
- http://dalnoboyi.xyz/10801658879bjdow.pdfIn PDF document text
- https://muxuredoli.weebly.com/uploads/1/3/1/3/131380086/luwogodorirukak_wawavijetofam.pdfIn PDF document text
- https://gimiduti.weebly.com/uploads/1/3/4/7/134711596/5034479.pdfIn PDF document text
- https://zuxadozi.weebly.com/uploads/1/3/4/6/134662888/1137636.pdfIn PDF document text
- http://ygrash.website/criminal_case_apk_mod_stars9toaj.pdfIn PDF document text
- http://oneitstore.pro/stuart_wilde_infinite_selfzhda0.pdfIn PDF document text
- https://budamasut.weebly.com/uploads/1/3/4/9/134903336/9453233.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d046670e-94b8-4ea2-8efc-69fca9b502c9.filesusr.com/ugd/c0b427_e8bc82a5969240e9bfdff06eec0dfb8e.pdf?index=trueIn PDF document text
- http://pozajuw.atwebpages.com/adobe_indesign_cs6_manual.pdfIn PDF document text
- http://bebojivim.myartsonline.com/wixaxifusojaf.pdfIn PDF document text
- http://zugagib.atwebpages.com/64352571963.pdfIn PDF document text
- https://d23eb412-52e1-45ef-a32a-0c032022daee.filesusr.com/ugd/03485a_ae3fb0c49b8647a8bbc90350a7d2d34b.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_off0000f732.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF732 | 5648 bytes |
SHA-256: 3454c07e2f0350290143fd3210cd51944cf1b8a7fafe1be625da5c1616657553 |
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font_01_sfnt_off00010a69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A69 | 10336 bytes |
SHA-256: 6d33ec9baa88ecd12069f18b7c1a78d08007d74e52c700f1cc4826a465657790 |
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