MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it functions as a link farm pointing to compromised WordPress upload storage and other potentially malicious sites. The presence of numerous embedded URLs, many hosted on compromised or suspicious domains, strongly suggests a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious PDF designed to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132a3fe5fcb3---38209780042.pdf In PDF document text
- https://e-midas.ro/files/file/mudapituluvumewefelureju.pdfIn PDF document text
- http://bojovesporty.cz/userfiles/file/fupera.pdfIn PDF document text
- https://indiachristian.org/uploads/files/zaxominugenu.pdfIn PDF document text
- http://ipost.mn/ckfinder/userfiles/files/61605139415.pdfIn PDF document text
- https://hotelangela.hu/userfiles/file/97326347104.pdfIn PDF document text
- https://swiz.eu/files/editor/77044279419.pdfIn PDF document text
- http://daiichigroup.net/uploads/news_file/jedixedo.pdfIn PDF document text
- http://csc0851.com/userfiles/file/20210907064406_d4g0et.pdfIn PDF document text
- https://doublehair.center/upload/ckfinder/files/10041744940.pdfIn PDF document text
- https://ksi-system.pl/editorfiles/file/lalejunilewezelofewubu.pdfIn PDF document text
- https://adurucui.com/ckfinder/files/25107477165.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/dazegivux.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/sakojizuduvisu.pdfIn PDF document text
- http://www.focitabor.hu/userfiles/file/vizerulexoloriluwa.pdfIn PDF document text
- http://immobilieninvestors.net/userfiles/file/bufipefuludezajolurikujuv.pdfIn PDF document text
- http://iucecb.com/files/file/dogiwi.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138816176c31---72639283155.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/4226050711942a79a40e4926d376f735/78066978259.pdfIn PDF document text
- http://ecosdaliberdade.com/ckfinder/userfiles/files/devipitetip.pdfIn PDF document text
- http://bellina.pl/userfiles/file/4999720438.pdfIn PDF document text
- http://lamardaegu.com/upfile/user/file/pitinazev.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16130fd71e9c6f---97523883563.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=rdm6300+datasheet+pdfPDF 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_off0000c7e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7E5 | 18008 bytes |
SHA-256: df7b49742d8b63b09e643a4eec6cc183dddb2fed5151b46887e3c69fa973a595 |
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font_01_sfnt_off0000f7ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010fc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FC3 | 10808 bytes |
SHA-256: 69800276317163c2ee9d135fb3499a8cab03675d0450c7adad706ec34c4df00d |
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