MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 http://lifecare4all.com/upload/files/57307902391.pdf In PDF document text
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/gimakibeneg.pdfIn PDF document text
- http://vinhthuan.com/upload/files/79957493306.pdfIn PDF document text
- http://billedbutikken.dk/articlefiles/file/zopufofazefimepaludalazu.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/3178801224.pdfIn PDF document text
- https://dananeye.com/uploads/files/202109100737306636.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/161465acc30bf5---97170400231.pdfIn PDF document text
- http://matchedtubes.de/userfiles/file/lotedove.pdfIn PDF document text
- http://proclima-membranes.ru/userfiles/file/97100355200.pdfIn PDF document text
- https://aucordechasse.fr/vosImages/74418006564.pdfIn PDF document text
- https://ismart99.net/upload/files/vegokexumabugezafogubigox.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/161339d2edbda2---piramozider.pdfIn PDF document text
- http://technology-mp.it/userfiles/files/65854203779.pdfIn PDF document text
- https://ipic.vn/userfiles/file/porekejotubatoxud.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/xitotusefebipok.pdfIn PDF document text
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/nolanelexurigix.pdfIn PDF document text
- http://abwnickersonplaza.com/uploads/files/99728334162.pdfIn PDF document text
- http://cheniou.handysociality.com/upload/files/26156634200.pdfIn PDF document text
- https://optimustelecoms.com/ckfinder/userfiles/files/kisufobe.pdfIn PDF document text
- https://4cmedica.com/ficheiros_upload/file/70900046696.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/93905109211.pdfIn PDF document text
- https://ximangcampha.vn/upload/files/1907999147.pdfIn PDF document text
- http://chinahongji.com/d/files/378102467.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b4aa07257---gazezofuk.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=a+few+a+little+exercises+worksheetPDF 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_off0000dbdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBDB | 17660 bytes |
SHA-256: 14cb567e6ef05568319333f7f96e8c90db4dc212f4ef5725d04f213b0f303e60 |
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font_01_sfnt_off00010960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10960 | 10588 bytes |
SHA-256: df30e0197aa581e4297b05dcc6a2cdcabd6ecfc8eb1b8f57c9135fbc8bf5c3ff |
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font_02_sfnt_off000121d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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