MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating it is likely a phishing or malware distribution lure. The document contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of a link farm and the overall structure strongly suggest an attempt to trick users into visiting potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://trevelci.ru/ckfinder/userfiles/files/4847242808.pdf In PDF document text
- http://ebiocell.com/uploadfile/file///2021091417145980.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16142df88b75cf---30583141196.pdfIn PDF document text
- http://huspanda.com/data/ckfinder/files/31653518296.pdfIn PDF document text
- https://datawire.gr/files/files/jesimitonalapelijibabavuf.pdfIn PDF document text
- https://seo-methodes.com/userfiles/file/31316184441.pdfIn PDF document text
- http://ty-int.com/files/files/nodojaluto.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/90127187641.pdfIn PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10922431927.pdfIn PDF document text
- https://lean-ds.com/upload/editor/file/gizarisikudebukitoxana.pdfIn PDF document text
- http://dongshengcable.com/images/upload/File/19999052197.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/63209681239.pdfIn PDF document text
- http://ptsound.com/plugins/ckfinder/userfiles/files/lumeburafopibuvi.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fca98ed048---zojegefujiwexorupiropas.pdfIn PDF document text
- https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/jevijamegob.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/72566584745.pdfIn PDF document text
- http://7166867.ru/ckfinder/userfiles/files/51340452163.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/sifebuko.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a049fc20b2---34393306658.pdfIn PDF document text
- https://pensiunea-escape.ro/ckfinder/userfiles/files/59532971007.pdfIn PDF document text
- http://beming.com/ressource/site-image/files/98859727938.pdfIn PDF document text
- http://grupopiscis.com/upload/files/76010767955.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=download+game+hungry+shark+evolution+modPDF 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bf0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF0F | 18724 bytes |
SHA-256: c54d9d92a8e8d2d98263d84e2c5927af103a4b3646bd759f769be2918dd71d5c |
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font_01_sfnt_off0000f09d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000108b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B4 | 11152 bytes |
SHA-256: 6062baf561426cdc010e9e8029f8c1f1c61dd76bc2332b233179117c3563b156 |
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