MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to potentially compromised or disposable hosting. These links likely serve to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://gorod-r.com/userfiles/file/xogusobada.pdf In PDF document text
- http://royalwedding.jp/images/blog/file/57462440662.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/zexejujeri.pdfIn PDF document text
- http://ytlcases.com/userfiles/file/vebuninifomuzila.pdfIn PDF document text
- http://vrajacreation.com/uploaded_files/userfiles/files/voxojisewegezo.pdfIn PDF document text
- http://savvyais.com/userfiles/file/jifofodenixag.pdfIn PDF document text
- http://thaiboxes.com/piceditor/file/viduwititudame.pdfIn PDF document text
- http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/45771827104.pdfIn PDF document text
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/kojix.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613926e83e463---42951351244.pdfIn PDF document text
- https://chilegastronomia.cl/uploads/userfiles/files/bewigupexefibu.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/7b9bc813f82223ca57b93c1fbfb946c6/63633250941.pdfIn PDF document text
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zevutobipeviputibap.pdfIn PDF document text
- http://topbuild.net/content/xuploadimages/file/50643655771.pdfIn PDF document text
- http://makaroma.fr/upload/file/maminovidamosol.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e45353fed---mamuxupevuzemotegise.pdfIn PDF document text
- https://pui-vital.ro/msg_media/file/51673607993.pdfIn PDF document text
- http://imoroz.by/upload/file/vitojewaxukogug.pdfIn PDF document text
- http://autolavaggiocraparotta.it/userfiles/files/lakukozutomukomesudosilev.pdfIn PDF document text
- http://londonjip.com/userData/board/file/9124854675.pdfIn PDF document text
- http://deltools.com/userfiles/file/40869949084.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/92520715798.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+hacked+someone+instagram+accountPDF 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_off0000c756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC756 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000df68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF68 | 17300 bytes |
SHA-256: f291a319813414aa8b41c8c013220fdee0e59eb5856513c152e3ae5416acb5b4 |
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font_02_sfnt_off00010c12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C12 | 11040 bytes |
SHA-256: b9a2d8856949ea30e582476edf3d27471f28eefc1c94bb94e290c10de57043ce |
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