MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs, many of which point to compromised CMS upload directories and disposable hosting domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2ff718c84---98229463838.pdf
- https://skinrepublic.vn/webroot/img/files/60053093001.pdf
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/napibuketimijubuxelafas.pdf
- http://minhnguyenvn.com/uploads/userfiles/file/tuseminojuduwalimufa.pdf
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/77590861406.pdf
- http://xn--3bsx3iw22bmot.com/filespath/files/20210912205352.pdf
- https://thuanxuongmonmb.com/admin/webroot/upload/image/files/wejamuninitanedutajur.pdf
- http://www.sloepverhuur-debiesbosch.nl/upload/files/xuzimamezabegik.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366a937777d---22862807997.pdf
- https://artasedanasingaraja.com/uploadfck/file/fepafuzukujolufivuxavi.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-9-12/20210912212844584342.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16141d6dd2cdc6---95166560456.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/22fb0a19fa39f6e14ef484714587add3/xibuweviwiti.pdf
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/mibaf.pdf
- https://okud-istra.hr/userfiles/file/sajuxorikapubejowiwusog.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135c8ba37722---vomatagosej.pdf
- http://smflow.in/admin/uploads/file/17569941789.pdf
- https://dorfadvertising.com/ckfinder/userfiles/files/pasudap.pdf
- https://gcr.goldcrownresort.com/magazine_files/files/nimezapawamobix.pdf
- http://elma1.ru/!upload/files/68399050575.pdf
- http://unstitchedfootwear.net/files/file/21346855692.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=big+day+lite
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C7 | 16792 bytes |
font_01_sfnt_off0000f1d9.bin67a1c1112f1ab96ebe3bd4cffa77650f591b7e329f3b6a1d7c02b07ba670dad7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D9 | 16980 bytes |
font_02_sfnt_off00011dad.bin408ffe3040154a5c6931e36532656a4c275e704da506059c50022f15c9393a76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DAD | 10096 bytes |
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