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 or disposable hosting. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM indicate a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://huntic.ru/uplcv?utm_term=industrial+painting+process+pdf PDF link annotation
- http://xn--49s538bo8ux8c.net/userfiles/file/nubegifabivoratulugasa.pdfIn PDF document text
- http://seattleteriyaki3.com/uploads/files/44193574646.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb38cc9a86---xujonegodak.pdfIn PDF document text
- https://ctapigroup3.com/contents//files/84649752116.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/93255367484.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/di985uvvk7nq8fp1mtsj1d6ari/64501368595.pdfIn PDF document text
- https://macroedunet.com/userfiles/file/rarojunarifetonef.pdfIn PDF document text
- http://cedule-plachty.cz/files/file/witusalavixovonakaduvev.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b9d4ee2c9---pilexusalojugegalolex.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/sesisus.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/a355101bec99f9421f4000a99514b946/55356556952.pdfIn PDF document text
- http://apcmagon.com/userfiles/36281519251.pdfIn PDF document text
- https://www.willmarareachamber.com/ckfinder/userfiles/files/mekizozijokipovizero.pdfIn PDF document text
- http://rsst77.ru/upload/files/43948105726.pdfIn PDF document text
- http://hotdeals24x7.com/ci/userfiles/files/vowufe.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/fufizufifipavoxarenikad.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/r2pscqno17gj037pr5aqgugpam/mesaxobunizipi.pdfIn PDF document text
- http://titibbs.xyz/js/ckfinder/userfiles/files/34412589132.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/ss757lo9h9u9ck0nh3qdgu8ddu/23683652976.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d2da7bccd17---weneneledito.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/rixozogaputifenawivexena.pdfIn PDF document text
- http://sanga.asia/userData/board/file/94788047234.pdfIn PDF document text
- http://ccadl.com/files/20210702045535.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_off0000ec57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC57 | 16396 bytes |
SHA-256: b7caff382822a0860f6b5aa73cf1af5d36c8dc92cdf4c6ea7058c321240cd229 |
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font_01_sfnt_off0001166b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1166B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E82 | 10848 bytes |
SHA-256: 03e164ab060cb2cb21615f915cff4043d817cbb2bcffeff51bab460e7a5b0048 |
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