MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for exploiting PDF vulnerabilities or redirecting users. It also features numerous external URIs, including links to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://allytemp.ru/uplcv?utm_term=default+font+android+studio PDF link annotation
- http://vyveva.eu/UserFiles/File/41234989495.pdfIn PDF document text
- http://wowbond.com/upload/Fckeditor/file/30168529738.pdfIn PDF document text
- http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/9014555284.pdfIn PDF document text
- http://technoauto.jp/js/upload/files/vadobiwulewidelufuvevi.pdfIn PDF document text
- https://cometsecurity.in/admin/userfiles/file/62251710310.pdfIn PDF document text
- http://tnslib.tools/userfiles/files/34060447141.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613a937387006---rigowizotosokonuna.pdfIn PDF document text
- https://mahanakhon.pacedev.com/ckupload/files/39359894520.pdfIn PDF document text
- https://adesso-moosburg.de/images/file/riwerawadeguk.pdfIn PDF document text
- https://economiadecomunion.net/ckfinder/userfiles/files/gejele.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/jarixetanafujukenavedodov.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b42fa4887---febitunupixizibosuziro.pdfIn PDF document text
- http://siripanyalamphun.com/user_img/files/75715418388.pdfIn PDF document text
- https://irisapp.cn/uploadfiles/fckeditor/20210907/file/16310123065436.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/pefisowovivaxowuz.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/kerexofijaw.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/f73e5c2ffcf6ebff583e78be526393de/jabafelunukolisipefum.pdfIn PDF document text
- http://hotelborgodeipoeti.com/userfiles/files/davapev.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/42543191151.pdfIn PDF document text
- http://hijoin.hu/editor_up/xovujozapem.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/98929869820.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161410ea6ac532---85579665032.pdfIn PDF document text
- http://denis-lefebvre-services.com/fichiers/file/61224334925.pdfIn PDF document text
- http://ph-easycome.com/userfiles/file/89511831251.pdfIn PDF document text
- http://slesnick.net/userfiles/files/pamosizukujutojuluzo.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_off0000e188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE188 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f99f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99F | 10448 bytes |
SHA-256: b2f6619d616d37877723e80a2105ca71ed414aac3bc715d770a1f966f0e06ec7 |
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font_02_sfnt_off00011168.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11168 | 17504 bytes |
SHA-256: 711e755003ba4112bb2c18a3bbd664991a638a67ff9bb6cbe6cfdc2d7b32fece |
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