MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many of which point to disposable domains or compromised WordPress upload directories, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the structure and numerous URLs point towards a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://ever.dacola.com/upload/files/xasat.pdf In PDF document text
- http://z-him.ru/userfiles/file/72242631487.pdfIn PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/womorolomuxevizamigafew.pdfIn PDF document text
- https://rugsdirect4u.com/uploadedfiles/file/61737642930.pdfIn PDF document text
- http://gewidor-gmbh.de/uploads/files/sarifapatamebimuf.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161398060807ae---9253848533.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/46877083899.pdfIn PDF document text
- https://detectiveoffice.net/userfiles/file/rafifatosejer.pdfIn PDF document text
- http://creationart.hu/files/file/97310768802.pdfIn PDF document text
- http://4rrecycle.com/files/file/76835197631.pdfIn PDF document text
- http://lt101shop.com/userfiles/files/21704854131.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16131ccfb6d9bb---99337047142.pdfIn PDF document text
- https://daquin-ferriere.fr/userfiles/file/viwozilanofawurusuravuwa.pdfIn PDF document text
- https://lochoanggia.com/upload/files/50454737760.pdfIn PDF document text
- http://serting.eu/userfiles/files/nonabomubirim.pdfIn PDF document text
- https://ljlconst.com/admin/images/file/91314674944.pdfIn PDF document text
- http://goodfortune.hk/UpLoadFile/file///48404389755.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/giwowofagenu.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/77702281687.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcf89c45a4---36164876999.pdfIn PDF document text
- https://orig-shop-gsm.ro/ckfinder/userfiles/files/xeteruser.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=free+spins+coin+master+hackPDF 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_off0000bb6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB6B | 21324 bytes |
SHA-256: 41eeea39afb266c4b681e6b166048898f92c9973152ddb30895b192a1bdfad2b |
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font_01_sfnt_off0000f186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF186 | 10664 bytes |
SHA-256: ac662737aeb8f5af58f5c171d8a84a0fc76a864f1b46cda2fd1b9b410fec1269 |
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font_02_sfnt_off000109c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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