MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Numerous external URIs were extracted, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://inwebjor.ru/uplcv?utm_term=que+es+la+mitomania+pdf PDF link annotation
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f26cec68e1b---pinemevigoravem.pdfIn PDF document text
- https://birgatour.mn/js/ckfinder/userfiles/files/gezadojijedutinozivivid.pdfIn PDF document text
- http://ctnphrae.com/ckfinder/userfiles/files/92983325612.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/sobijesukaroguxasaboxev.pdfIn PDF document text
- http://abnicum.ru/files/file/lukakidemafopataf.pdfIn PDF document text
- http://jatyn.cn/upfiles/202105/file/1622397016.pdfIn PDF document text
- https://volgogradexpo.ru/ckfinder/userfiles/files/45712119015.pdfIn PDF document text
- http://wallsfamily1912.com/clients/876683/File/1789229381.pdfIn PDF document text
- http://www.ctmmaximoravenna.com/ckfinder/userfiles/files/bisabiduparavanat.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/4bd1615058f6b2105b3a43e22c6dd545/9585592516.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ba625e7ef---32931790980.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/8ea73c8acd04d77d33a5761f87f84c50/gewimesujakogozodo.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867e9837663---bonosuvovaxipoxolepika.pdfIn PDF document text
- http://sztarmedia.hu/_user/file/pigujufitabotewezodof.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/74616292524.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16076737bdbe7c---81839352092.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/gomajanowadipavulowubagi.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079704a3a187---nimeliwibobi.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160d073e4413bf---68686665407.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/mogekin.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3790aa43ad---taribidawatejimesanozemu.pdfIn PDF document text
- https://salvamontbihor.ro/app/webroot/files/userfiles/files/69460392424.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983fe0345fe---livupabivonijojegamaduve.pdfIn PDF document text
- http://blueyee.com/upload/file/20141012401.pdfIn PDF document text
- http://polyacer-ecp.com/userfiles/files/20210905_085608.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/zatibibokifiwepa.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_off0000dc1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC1A | 19368 bytes |
SHA-256: ef881346e534e679c7e4e46410611d282879d862556957d61e4f2fe82210ffc4 |
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font_01_sfnt_off00010da2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA2 | 10720 bytes |
SHA-256: 3ee47cd46a6cf12b3ccc2b6a03033053f733a1ac10924efa1d8a778db675d0b6 |
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font_02_sfnt_off00012654.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12654 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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