MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. These URLs are likely part of a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607b638145d9d---24215407919.pdf
- https://koffiewarenhuis.nl/app/webroot/files/userfiles/files/gonenasafoxowulu.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/8siu8c00kqujujkdghfo0kcm62/27106409346.pdf
- https://wrd13.com/force/file/dudatamudinumudugafifaf.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1609a02f7c26d5---95174988359.pdf
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/8c9c175e1f13c5053a43efbac61e1122/potesifume.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079a9f6d5506---pozaniratuveginevope.pdf
- http://mnogonomerov.ru/uploads/file/3947548102.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160fcd57e0285d---siwifazivavazelutopusa.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607529685cbce---dojimigubutadilaniwa.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/5be9f214285214229758dc75d738fd7d/22668262640.pdf
- http://www.emailposte.com/pictures/kirogoxonag.pdf
- http://antonio-pelella.eu/userfiles/files/80160210783.pdf
- https://wecareu.net/ckfinder/userfiles/files/wabuvasepidipaxo.pdf
- http://domusanna.it/userfiles/files/turiruxesoguxikexi.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/j6qhrdk6fdqopag7ua1kf2ffgj/rudadezemufewigo.pdf
- http://xn--or3bi2da319p.com/upload/fckeditor/file/56815371839.pdf
- http://www.srijonihealinghome.com/fckimages/file/xibilibiwijuwitubo.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16076905b0a7e8---33930765446.pdf
- http://cdmatik.com/uploads/file/xuravifobel.pdf
- https://jechrina.gr/FCKeditor/userimages/file/80296973778.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/hkg626omqfg578ic46sh1aml93/xawalexekowuvubigapawa.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/5bbd1afd93d3537d6deb69cdad7aafbf/pegikisipixodugufosibevud.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=barrons+gre+latest+edition+2016+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d52d.bin7f29baeac8870b5fe006a1a823e8d0b748df345a42b7ec193c1781db179c6bae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD52D | 17524 bytes |
font_01_sfnt_off0001022e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022E | 16792 bytes |
font_02_sfnt_off00011a45.bin233a89ce268faf52f30b8246f65b5bacac47d00f76ea5844eb708ae7a7ba255d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A45 | 11188 bytes |
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