MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to compromised CMS uploads, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs further support the classification as a link farm designed to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ca6777417e1---56113590805.pdf
- https://kitapkaplama.com/upload/ckfinder/files/kiretalasazonanojesedefa.pdf
- http://waukeganeast1980.com/clients/877304/File/fitosewutivileg.pdf
- http://studioghittigargnano.com/userfiles/files/japaripiwoxa.pdf
- http://re-view.online/fckFiles/file/77860693325.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/g7rdfstbg62b7kedvguq1r2lt5/37808011534.pdf
- https://audit-advisers.com/userfiles/file/sonepemuse.pdf
- http://bukvoznaika.ru/ckfinder/userfiles/files/14846927355.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606c97e7cdc5c---87173348733.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160873ab9b3848---30652256960.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609a41327fe69---79128159450.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/39e8fc2aa8992a3a357581c722e2d2f3/18886079133.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e81066f27ab---22564103434.pdf
- http://www.scsk12.org/policy/files/files/13607402104.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/71e7c4e18f603426158f41aef28e2a4c/8732811448.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/tmusvjq3g15feiaboi2u0pkcmk/pemomudorir.pdf
- http://sbairs.com/datas/files/robozajowigiwalu.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608d64734f4c6---ximiwi.pdf
- http://mvclassof1990.com/clients/8/8c/8ca0ba2c7a07c5cd1f21f9fc323c16c5/File/rosaboze.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/prqogk7bq4k7aj42lu02qjtun3/lisito.pdf
- https://digireg.dk/upload/lubawazexoze.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083621d9ba43---73212297234.pdf
- http://ikhmongol.mn/ckfinder/userfiles/files/mawevonipaxeruvatikap.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=social+return+on+investment+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e784.bin566105677967c4ca94bfa8b63bcd9b1238892b5bb08aa6c5963d37648268c9b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE784 | 17132 bytes |
font_01_sfnt_off000113dc.bin4bc2aac69cb12d394fff72f64a59a9199d6370914a68d76f910421adb163e39a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DC | 11020 bytes |
font_02_sfnt_off00012d72.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D72 | 16792 bytes |
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