MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The file contains numerous external URIs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and the nature of the URLs strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://thanhlapcongtykiengiang.com/upload/ck/files/38638542517.pdf In PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/8f35f52229eba7c4960b1a8f68050795/dobefosimodizexikolavuze.pdfIn PDF document text
- https://aarushimukhwas.idealviews.com/userfiles/files/segasanekizogatefuka.pdfIn PDF document text
- https://rovetco.com/userfiles/file/83976585845.pdfIn PDF document text
- http://jshanwoo.com/ckfinder/userfiles/files/xizuwa.pdfIn PDF document text
- http://vibrobeton.by/pics/files/vabijukapefijojarasumu.pdfIn PDF document text
- http://xfswchem.com/upload/files/12632033367.pdfIn PDF document text
- https://nakipoglugroup.com/upload/ckfinder/files/65426496256.pdfIn PDF document text
- http://herborgthailand.com/file_media/file_image/file/33996626941.pdfIn PDF document text
- https://arendic.cl/files/sevore.pdfIn PDF document text
- https://omprintandpack.com/userfiles/file/wovobiporeroni.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/695710f0d14a5b3c432e97362977c542/xuwasosoturewamariwaxolux.pdfIn PDF document text
- http://trieuduong.com/images/Download/tupubisuriludo.pdfIn PDF document text
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/46088880369.pdfIn PDF document text
- https://blnk.eu/userfiles/files/jisukunazoxudaruwezokalop.pdfIn PDF document text
- http://dyglas.com/userData/board/file/mudiremogevireveg.pdfIn PDF document text
- https://msiutilities.net/documents/detigosenirilegafozo.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/e62813c0915dbd4fbdf1ae5440221f6a/zibigezenigabososib.pdfIn PDF document text
- https://olympicwroclaw.pl/zdjecia/fck/file/tozizazatarek.pdfIn PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40015917637.pdfIn PDF document text
- http://bojovesporty.cz/userfiles/file/60862335874.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=things+to+put+in+your+minecraft+townPDF 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_off0000e3dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3DC | 11144 bytes |
SHA-256: aa849e34ebd4a7bb631c600ab36fd09682615c321ed29b2a056b28f0a5c8512a |
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font_01_sfnt_off0000fdd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD2 | 17772 bytes |
SHA-256: 77220c2a80f17cce0da3e0c0a34a05316bf78fc16f3f065fa00565ae436452e5 |
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font_02_sfnt_off00012bc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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