MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs and its classification as a link farm suggest it's designed to redirect users to potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and embedded URIs point towards a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://huntic.ru/uplcv?utm_term=install+plex+media+server+on+android PDF link annotation
- http://aptwash.com/userData/ebizro_board/file/78031313776.pdfIn PDF document text
- https://argumentua.com/i/file/kemenomuxi.pdfIn PDF document text
- http://ptairsupply.com/userfiles/file/bikevanutimu.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/vubokafawaxeradapevaw.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/202193114536036.pdfIn PDF document text
- https://arrad.ch/modules/ck/ckfinder/userfiles/files/55954248909.pdfIn PDF document text
- http://arablift.net/userfiles/file/munugakilodorulewodesetu.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/weluzopivopogerebemupelu.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/27183771069.pdfIn PDF document text
- http://problemconsulting.com/img/download/files/dagidigomu.pdfIn PDF document text
- https://onthespothousing.com/userfiles/file/57742261617.pdfIn PDF document text
- http://albertopizzetti.it/userfiles/files/1003084194.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/97169032424.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/89232481245.pdfIn PDF document text
- https://emailing-online.fr/uploads/userfiles/file/67348252441.pdfIn PDF document text
- https://wtmasonry.com/ckfinder/userfiles/files/suwovug.pdfIn PDF document text
- http://cdio.vn/uploads/userfiles/file/gopenotefiziw.pdfIn PDF document text
- http://wksx.top/images/userfiles/file/refumoridovupalawufopaje.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/pozejakekabowotamagude.pdfIn PDF document text
- http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/65206352217.pdfIn PDF document text
- http://s2group.pl/userfiles/file/sefoxi.pdfIn PDF document text
- http://aranysolyomfeszke.hu/editor_up/19894190372.pdfIn PDF document text
- https://prestinieurope.ch/userfiles/files/67589603172.pdfIn PDF document text
- http://studiolauramoschini.it/userfiles/files/xopefekebobudumuki.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC47C | 17700 bytes |
SHA-256: 33ba9e6e3efe0145a4845b701010be78d6793a68432bece24e33431cd9f779dc |
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font_01_sfnt_off0000f21e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF21E | 10672 bytes |
SHA-256: 70230ede790844f0d889657a6b15c51e0b9255d8bb9e96e8586457d4f6ea2f18 |
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font_02_sfnt_off00010a90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A90 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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