MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress upload directories. These links likely serve as a lure to download further malicious content or redirect users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607068bbe80a0---68422559069.pdf In PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771a030a7ac---18768338355.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/90064682041.pdfIn PDF document text
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/ck9logtr3s927jklq6g2hpg4t7/rudifomi.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be39db62812---69296363234.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/1019d016643e1163ed423e8b0c6edefe/dinotoriginovisaz.pdfIn PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/rigefofomedewisu.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160942fb27a8ab---wasibuma.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ec56383e4---83981239008.pdfIn PDF document text
- http://londonjip.com/userData/board/file/72901084833.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/vemagiwevikazutomafugalik.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/ef5d0417f18563a7768d8b7b2cc8a965/tetipolubalosemigo.pdfIn PDF document text
- http://kemmurad.com/webroot/img/files/59314199393.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1bfc7b4cfa---9104837825.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/gegebozilusufutipelani.pdfIn PDF document text
- http://goldenagegroup.vip/userfiles/file/zavozapesirexejiviwisexan.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/91f99b929d2acbaefb36a417ce27a351/38334395520.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/11679247058.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca26f07832---damot.pdfIn PDF document text
- http://hajni.pl/userfiles/file/42486217260.pdfIn PDF document text
- http://alemotta.com/resources/original/file/gezokasajipurudaxalefi.pdfIn PDF document text
- https://makiriaszto.hu/ckfinder/userfiles/files/kafofemebuzefamuwafet.pdfIn PDF document text
- https://baoyi-chuck.com/ckfinder/userfiles/files/zitatovisazuvipur.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/ccb20b702f0c4625d8604f4695726fff/97984549627.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/rawelonedobeluwojubinurak.pdfIn PDF document text
- http://generoussecurity.com/uploads/nogonogebizijawasawojurom.pdfIn PDF document text
- http://eau-msu.ru/ckfinder/userfiles/files/xuvulekora.pdfIn PDF document text
- https://efsanepin.com/calisma2/files/uploads/lezasotilagosenemaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=calculus+and+its+applications+10th+edition+solution+manualPDF 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_off0000ce1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e62f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62F | 17944 bytes |
SHA-256: 7dd524d1c87e8a41214a84078cf8015d387d73491ab9e17e00eb68d49d8a606f |
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font_02_sfnt_off000114cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114CB | 10984 bytes |
SHA-256: d3ff3916c0e7d7078c07b83a377183ca84cfa34cedcd24ca4d0a265b33d4c20e |
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