MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to deliver a secondary payload or lead users to a phishing site. No scripts were extracted, but the structure and URL analysis are sufficient to infer a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://budoprojekt.eu/obrazy/file/rezexagebutokudolej.pdf In PDF document text
- http://tuanlongland.com/upload/files/witalabewipokapofu.pdfIn PDF document text
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33675655482.pdfIn PDF document text
- http://huanghels.com/filespath/files/20210917172034.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/4eabfd75b80da87ed98039bc349d3623/fixigaz.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/paxufiseguwabirelafuj.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/zogumimakawubuv.pdfIn PDF document text
- http://miass.realxenon.ru/uploads/files/40552528356.pdfIn PDF document text
- https://valerart.com/ckfinder/userfiles/files/todelatavokibige.pdfIn PDF document text
- https://drosamahetta.com/userfiles/file/sepunozegaburedovif.pdfIn PDF document text
- http://blessingsngo.in/userfiles/files/35143063656.pdfIn PDF document text
- https://aviatroglo.fr/IMG/file/zesalefu.pdfIn PDF document text
- https://banerjeetourspecial.in/ckfinder/userfiles/files/10959888589.pdfIn PDF document text
- https://dbhattacharjee.com/ckfinder/userfiles/files/24638564133.pdfIn PDF document text
- https://holcom-solar.com/webroot/img/files/zigafimitugijojakoziwok.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee0f02ac87---3781970311.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/8079cd93273c0eb3f7a32ed63dd63c12/20320779872.pdfIn PDF document text
- http://kunjipsc.com/uploads/files/57954262059.pdfIn PDF document text
- http://metall-press.ru/files/25197351957.pdfIn PDF document text
- http://cutskytools.com/d/files/58679460067.pdfIn PDF document text
- http://terminsk.by/pics/files/46502184387.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131707dd19b2---94863312196.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/jobakokeburiladunekase.pdfIn PDF document text
- https://0900107678.com/upload/file/linix.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/3755ceb0a76516d0191dd9d4a6c1008b/kuriwebogo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=firestick+party+gamesPDF 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_off0000de37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE37 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f64e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF64E | 10628 bytes |
SHA-256: f54492dd2adfa66470d80947a304b8faa0b5e699db9598d147cee82a475c56b9 |
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font_02_sfnt_off00010eba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EBA | 16416 bytes |
SHA-256: e1847ca38213c9a8e85a0abd5515b6279a730791a81f879bf07f46fa7c033438 |
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