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 point to compromised WordPress sites or disposable hosting, indicating a link farm or phishing lure. ClamAV detection and ML classification strongly suggest malicious intent, likely to redirect users to malicious content or phishing pages. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://crewmak.ru/uplcv?utm_term=mitutoyo+qm+height+gauge+manual PDF link annotation
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160795a0d1ccca---riwozizinivubajevem.pdfIn PDF document text
- http://yilip.net/userData/board/file/dizugitiwawewiw.pdfIn PDF document text
- http://stromzeleny.cz/file/31306846252.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/3938709422.pdfIn PDF document text
- http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/funekubona.pdfIn PDF document text
- https://medtek.vn/storage/file/gipulixunegopugeker.pdfIn PDF document text
- http://chupanhnoithat.vn/upload/files/xesalenulovojibozefedez.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/mopajebeverawoxo.pdfIn PDF document text
- http://hasyo.net/files/file/veruzamuwaroruximopurubas.pdfIn PDF document text
- http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/fakolagewifabomifotuvow.pdfIn PDF document text
- https://mwasafat.com/uploads/files/zirebaradasa.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/3ccdca626ca6a02795fbb35b8902d732/mikid.pdfIn PDF document text
- https://ubranni.com/uploader/files/riwerupep.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609469f9d0825---vozuvotevilok.pdfIn PDF document text
- http://freetds.net/userfiles/file/33941042456.pdfIn PDF document text
- http://simonide.org/userfiles/file/4812733715.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/20215231749328115.pdfIn PDF document text
- http://clinicaveterinariacene.com/userfiles/files/zefizajisetonepek.pdfIn PDF document text
- https://unicon-msk.ru/data/files/bidede.pdfIn PDF document text
- http://gianniarnaudo.com/userfiles/files/63013915455.pdfIn PDF document text
- https://dursunguney.com/userfiles/files/paxaxax.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_off0000c882.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC882 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e099.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE099 | 16628 bytes |
SHA-256: 4763f043769df6be595b79d308ef542aefc5d5c99564e15dc27be24ea673bfa0 |
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font_02_sfnt_off00010c07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C07 | 18800 bytes |
SHA-256: 510580c1f3fef7d99a265604671b7fa34329b15071ef0e106b20108a3d4f9536 |
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