MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and numerous external links are consistent with a malicious PDF designed to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://tecniagua.es/uploads/ckfinder/files/sekepigogukujetujineredud.pdf In PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/m4509i0al0ppj8m90gl7uaqgds/dikixabisigukike.pdfIn PDF document text
- http://poongdung.com/FileData/ckfinder/files/20210911_BB89F767807707C5.pdfIn PDF document text
- https://subarini.ro/mm/file/solewelorumomoz.pdfIn PDF document text
- https://postele-z-masivu.sk/ckfinder/userfiles/files/47476765834.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/46092122728.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/97445906599.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/debokogumevodob.pdfIn PDF document text
- https://fuoriscena.eu/file/regowuloxipemutozaj.pdfIn PDF document text
- https://mhreng.com/userfiles/file/4338488048.pdfIn PDF document text
- http://nfraccon.org/userfiles/file/1269001825.pdfIn PDF document text
- http://noclegsosnowiec.pl/eurostyl/photos/file/4908554295.pdfIn PDF document text
- http://casavacanzesanvito.eu/userfiles/files/3369164101.pdfIn PDF document text
- http://bratislava.topenglish.sk/app/webroot/gallery/files/62675341520.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/161454d7e12054---xurerevakosidi.pdfIn PDF document text
- http://montoaneli.com/ckfinder/files/84093447441.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161408e05e6083---komuzojozesetigopap.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/modimemuradukaz.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/5f992c8adf619ac3282202902e5c48e6/daxojixakudolumemedetox.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/dilodosimonanuzanarawup.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/fd37c1860fdf32f998e14e1bd74ce7e4/34019328879.pdfIn PDF document text
- http://muacuoi.vn/Pictures/files/88519081737.pdfIn PDF document text
- https://pearproperties.in/userfiles/file/1994154408.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=words+beginning+wePDF 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_off0000bb5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB5D | 16284 bytes |
SHA-256: a6b89e8d52f7697e50d91ac5951d52373a8744a52d99a29163c29975261d0955 |
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font_01_sfnt_off0000e523.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE523 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3A | 10336 bytes |
SHA-256: 09022167c0f4aeefd9da86f3b27821074e41ddb6279f579fe9b6e64ef67c2aa0 |
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