MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external PDF files hosted on compromised websites, suggesting a link farm or SEO poisoning attack. The presence of external URIs and compromised CMS upload links points towards an attempt to distribute further malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://almudenafernandez.co/ckfinder/userfiles/Files/nuduzazaf.pdf In PDF document text
- http://dyglas.com/userData/board/file/fosuzoxit.pdfIn PDF document text
- https://mariellatriolo.it/public/file/tufuvu.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/16333356666.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613938238003c---25713121266.pdfIn PDF document text
- http://elcolono.net/userfiles/files/42537866229.pdfIn PDF document text
- https://nationalshield-uae.com/userfiles/files/14624635307.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/bumasiwegim.pdfIn PDF document text
- http://hanahana.vn/media/ftp/file/lexovobopipesirawazipe.pdfIn PDF document text
- https://fleuriste79.fr/ckfinder/userfiles/files/82015385013.pdfIn PDF document text
- https://kawanmto.info/contents/files/jubipamibiwusizelevelow.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/22347750517.pdfIn PDF document text
- http://naviway.su/upload/files/46942294972.pdfIn PDF document text
- https://tjp2-hotlink-j3t.com/contents/files/52344597276.pdfIn PDF document text
- http://mkpstroitel.ru/upload/files/fekokabujaxani.pdfIn PDF document text
- https://grnca.org/img/files/files/tarovukugejasa.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/b59abbc603488df037b7d28543309996/99346559475.pdfIn PDF document text
- http://marisqueandopremios.com/campannas/file/zasefaruwadaxa.pdfIn PDF document text
- http://biemmecommerciale.eu/userfiles/files/lopaj.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/a8ac399b238951243b47157f4c83ad2e/lunevuxesodalirevulisow.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/sepizoji.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/8198161453.pdfIn PDF document text
- http://racecross.com/upload/edito_fckeditor/file/6185972216.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/bepolelipavol.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=free+soccer+streaming+servicesPDF 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_off0000ee0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE0A | 18852 bytes |
SHA-256: a26108d945f336310364a696a933f33f37f50343f0061c4d7c5bf8e630b2190b |
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font_01_sfnt_off00011fa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000137ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137BA | 10568 bytes |
SHA-256: 83ea544a4bdad2cf5d25c5cf1bff684032c6ba5f2e5ebd310728d082526fb8f1 |
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