MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
T1059.007 JavaScript
The PDF contains multiple links to external sites, some of which are hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The heuristic 'SE_REMOTE_SUPPORT_LURE' indicates the document likely instructs the user to install a remote support tool, a common tactic for social engineering attacks. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://educhina.mn/editor/files/gedatiguxubizezavizifabiv.pdf In PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a49593b0ded---gigosutobemirosanuz.pdfIn PDF document text
- https://hasekei.jp/userfiles/file/xaminita.pdfIn PDF document text
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2d80208f7175f7e57ecaa3c3dee9bdc/82779863931.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/3943d5062664802510a48b3562d4fb27/rovajejonepebaxil.pdfIn PDF document text
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815b096ccd8---65693102270.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ac16831e0---xemimibegeropexu.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/malejugiti.pdfIn PDF document text
- https://syntellect.ru/Repository/file/50523478492.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/jixavezasefuwu.pdfIn PDF document text
- https://ilmercatinosottocasa.com/file/46153254112.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160823d588e365---wozatiz.pdfIn PDF document text
- https://catbasailing.com/upload/fck/file/81296718601.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=ni+circuit+design+suite+14.2+downloadPDF link annotation
- 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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000128aa.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x128AA | 30176 bytes |
SHA-256: 1e4c0785de47770f3c77b68a53e1688d68d4bb29ce56c1f0c1a4ca8667d1b92c |
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font_00_sfnt_off0000e706.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE706 | 5352 bytes |
SHA-256: 2b509ec2eb30f2b4f76e262c7da347865e1c9bc60570a92538e2c181f6c53fb9 |
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font_01_sfnt_off0000f969.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF969 | 21276 bytes |
SHA-256: 66997847a2854ff1de85998e5e76a2127389eff0be71eecafbfd28757922aabc |
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font_03_sfnt_off00015d76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D76 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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