MALICIOUS
206
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 ML classifier and ClamAV detection strongly indicate malicious intent. While no explicit scripts were extracted, the PDF structure and embedded URIs point towards a phishing or scam campaign designed to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://dugedepap.ru/strik?utm_term=tai+chi+for+beginners+and+the+24+forms+book PDF link annotation
- https://jilefufut.weebly.com/uploads/1/3/4/1/134109271/690c21.pdfIn PDF document text
- http://fagogit.sportsontheweb.net/cuanto_mide_un_metro_cubico.pdfIn PDF document text
- http://rujamuleta.iblogger.org/pikifefodef.pdfIn PDF document text
- https://popogupu.weebly.com/uploads/1/3/1/3/131398113/mozezekuzekozi_musur_terutomuto_lifigub.pdfIn PDF document text
- https://lolinukopo.weebly.com/uploads/1/3/4/3/134351434/wewow.pdfIn PDF document text
- http://lirifajo.sportsontheweb.net/advanced_excel_tutorial_point_download.pdfIn PDF document text
- https://sajosapisede.weebly.com/uploads/1/3/4/3/134344890/wekivozivef-rafutilug.pdfIn PDF document text
- http://gavediteriremuv.medianewsonline.com/bivagubogu.pdfIn PDF document text
- https://weralafopibobal.weebly.com/uploads/1/3/4/3/134338927/2122225.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://biduxefu.rf.gd/amar_suyu_forml.pdfIn PDF document text
- https://6f8cb219-4830-455d-9ced-b55e65700e85.filesusr.com/ugd/fd30ac_40133a0955d24bebaf9c9dec7f016bef.pdf?index=trueIn PDF document text
- http://wekazuvenasiwuf.epizy.com/62814107294.pdfIn PDF document text
- http://legujajojozete.epizy.com/gafefalezibode.pdfIn PDF document text
- https://1a441fb4-51dd-4528-a053-eb59ff664e18.filesusr.com/ugd/43d9d5_aef3327a56914251a5a401c8526c5c2a.pdf?index=trueIn PDF document text
- http://rupaxabo.rf.gd/acca_f9_syllabus.pdfIn PDF document text
- http://xowilewegiwo.myartsonline.com/wifinoparaniluvudulalaba.pdfIn PDF document text
- http://tabowir.rf.gd/fatepanon.pdfIn PDF document text
- https://ba3a7bb5-edd2-4228-b29c-cf272df6a868.filesusr.com/ugd/bd1c09_73d9d00361e34d739917e9f8a02dfc99.pdf?index=trueIn PDF document text
- https://f238abdf-92e3-4651-90df-65b6e8a648d9.filesusr.com/ugd/99965f_c5072b46b9d549d68c340205a968afa0.pdf?index=trueIn PDF document text
- https://97d49ff2-d914-4ae4-8ac8-5e5cf5f77cad.filesusr.com/ugd/6350c7_de37906f83124db98d96cd3b38ab94de.pdf?index=trueIn PDF document text
- http://kojajopi.epizy.com/gelegutifake.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD51 | 39180 bytes |
SHA-256: 640678b7aff7eda956b6bbbf7ea71b26e9ed8dd04ef8e23f86812ba9e8dc70cf |
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font_01_sfnt_off00017438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17438 | 5776 bytes |
SHA-256: 60e603618564ef3dae37b14495c5aa8e800b1f659907683a98fbe62290950ef2 |
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font_02_sfnt_off000187b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x187B7 | 13964 bytes |
SHA-256: 3715360a09ba8982fb3743214b23af0936364d3d11ff344ba335bcb7f4a045f1 |
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