MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the final malicious destination. No scripts were extracted, but the overall structure and URL patterns strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://laborke.ru/uplcv?utm_term=wave+control+app+for+android PDF link annotation
- http://hrdiborice.cz/erucom1/files/files/11407331674.pdfIn PDF document text
- https://sunrisemotelbellevue.com/nbloom/fckuploads/file/xigogesosu.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/70922897058.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e7ca5d605e---badegobarotiwujidusevewa.pdfIn PDF document text
- https://orcasproje.com/userfiles/file/61055382285.pdfIn PDF document text
- https://xn--z4qq44i.tw/upload/actfiles/sokekikuwunijuzanusimosu.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/4a31239e1d98ac87ed32e2820438bd3c/58968825151.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/56643072679.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/46080862028.pdfIn PDF document text
- https://888nv.ru/userfiles/file/fisosojimifuxugolixegi.pdfIn PDF document text
- http://asbufestival.com/uploads/FCK_files/file/dekulimabavazuselabup.pdfIn PDF document text
- https://gulf-rope.com/images/bulk_images/files/34714932696.pdfIn PDF document text
- https://888nv.ru/userfiles/file/ronopo.pdfIn PDF document text
- https://998.geektic.com/geektic/files/48534364228.pdfIn PDF document text
- https://snoman.mb.ca/ckfinder/userfiles/files/21289013511.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/9044632140.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/vuzego.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/tifasipopopixexujox.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161319a251f327---61711485380.pdfIn PDF document text
- https://verticala.ro/images/userfiles/13780468609.pdfIn PDF document text
- http://japhina.com/upload/file/zesopa.pdfIn PDF document text
- http://2015.letnifestiwal.pl/ckfinder/userfiles/files/13814440085.pdfIn PDF document text
- http://autosklo.sk/pictures/file/24498457138.pdfIn PDF document text
- https://fenicia.uy/fenicia.com.uy/uploads/files/36921829571.pdfIn PDF document text
- https://verandapattaya.com/userfiles/files/53125516956.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_off0000b3a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A3 | 10504 bytes |
SHA-256: 53608737e0d435a390faa8046e07bbec4bf513e6763e9785e28316f1268eb268 |
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font_01_sfnt_off0000cba8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e3ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3BA | 15308 bytes |
SHA-256: f7e7a25990a2a87418fbc360e8c6ea5ff344e7e1c1321c3e06aa25720488518f |
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