MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious. It contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This suggests a phishing or malware distribution campaign where the initial PDF acts as a lure to redirect users to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://nomorecpapmachine.com/userfiles/files/93245935883.pdf In PDF document text
- http://aliglobshop.com/userfiles/file/67223591902.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/db96e0424b1b5f236afcf55466a969c0/javazogu.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0e527a0a0---fepilifidubiwomirigum.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d06fb19575---14876930381.pdfIn PDF document text
- https://riolospettacoli.it/filesUploads/file/80127521363.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210806205129.pdfIn PDF document text
- http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607084691e2ba---97171262752.pdfIn PDF document text
- http://roocenter.ru/upload/file/posatelowefo.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/77170000280.pdfIn PDF document text
- http://bigdoughpizza.com/uploads/files/jagorukeriroziresur.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/rovipijexagu.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/deb4926015c75036f06551e99526bee1/bukekotopobone.pdfIn PDF document text
- http://daindnc.com/fckeditor/userfiles/file/vawerugatawer.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607efa1a944dc---pikezuvi.pdfIn PDF document text
- https://cairparavel.ro/app/webroot/files/userfiles/files/23926338806.pdfIn PDF document text
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/3vgeb1rvm6f6abimvrt7f9pq9k/koraxaleguditu.pdfIn PDF document text
- http://ih-consultant.com/ckfinder/userfiles/files/lapevivizetupodiw.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160961716582e9---xilokexopesalowazaxade.pdfIn PDF document text
- http://drukarnia-warszawa.pl/pliki/file/72645863378.pdfIn PDF document text
- http://ontsgoi.shop/uploads/files/88403458529.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/6fef6ac08293296b272d8ab8d572c0b3/xuzazoxarevejulorufajinug.pdfIn PDF document text
- http://allaboutdowney.com/userimages/tixeritigabivotunenetinaw.pdfIn PDF document text
- http://jandebruijn.com/uploadimages/files/14527577149.pdfIn PDF document text
- http://avvolodin.ru/upload/file/88682914841.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=character+reference+letter+for+scholarshipPDF 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_off0000f3c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010bde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDE | 10608 bytes |
SHA-256: bc951ca8d5f38fe29970b0b13090d6df8d1dfa57be4e7d09bbf67cc6d758c95c |
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font_02_sfnt_off00012413.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12413 | 16656 bytes |
SHA-256: 0f72640550373df875921ef8f32c3272eefcd7cde4d5772ba008fbf6e1763f4f |
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