MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on compromised CMS upload storage or are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://coretry.ru/uplcv?utm_term=panasonic+dvd+remote+app+android PDF link annotation
- http://zhjpharm.com/upload/files/56207135182.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148ff138d7cd---57517365063.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/8gchln2gkgt1qtqv3qngtbtvu1/litepiwadutavile.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///69160126177.pdfIn PDF document text
- http://sanalights.com/admin/admin/uploadfiles/file/66865690952.pdfIn PDF document text
- https://wolfgang-photography.com/userfiles/files/34049781479.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130cdeeaae19---denovaduxemixim.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/forulegeropido.pdfIn PDF document text
- http://labotinnghia.com/img/files/zudamojugiza.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021092011465049952.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-11/20210911002214261108.pdfIn PDF document text
- http://goldendazzle.com/upload/quangtri/files/39625015598.pdfIn PDF document text
- http://donovaly-ubytovanie-safran.sk/web/userfiles/file/38705425017.pdfIn PDF document text
- https://octvads.site/js/ckfinder/userfiles/files/12283538494.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/tff33evhff31m2eu3j37d5qe11/xejutinimigufuwo.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145a2e293b7d---74694474435.pdfIn PDF document text
- http://mariondhuique-mayer.com/data/file/69576043848.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/topawutekonajugipopoma.pdfIn PDF document text
- https://maggievanostrand.com/uploads/media/file/31541222821.pdfIn PDF document text
- http://www.rsvpcatering-ar.com/files/imagesfile/gevarevuwafamu.pdfIn PDF document text
- http://thegioixedap.net/upload/files/wagazazemow.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/661d2589730f41ab107b05cf6728a687/belikexi.pdfIn PDF document text
- https://damsindia.org/admin/uploads/file/bikajimimisexixixuma.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff63854422---lalifojezit.pdfIn PDF document text
- http://yugreat.com/filespath/files/20210905195805.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_off0000f119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF119 | 17732 bytes |
SHA-256: a2bf78af661bbe8659c18880b23368f1f13e5b228654f69272e8e87afb00df58 |
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font_01_sfnt_off00011f15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001372c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1372C | 10696 bytes |
SHA-256: 1eabc11d6c776700c11878effc3d4b03483a744e7f85ce97b60bf6669997df33 |
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