MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm or SEO spamming operation. The presence of these links suggests the document's primary purpose is to redirect users to malicious or phishing websites, likely as part of a broader phishing campaign.
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 https://barcelonacentremedic.cat/files/galeria/files/29303953031.pdf In PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/257b8d5b2ea2017cbdb55ef22b1541bc/wepugi.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160c45f5677ba4---84215067168.pdfIn PDF document text
- http://iberia-ex.com/images/blog//file/rixazowizixuxuwekanavaxe.pdfIn PDF document text
- https://www.oapublishinglondon.com/ckfinder/userfiles/files/77038227100.pdfIn PDF document text
- http://beachfirebrands.com/userfiles/file/17652379056.pdfIn PDF document text
- http://re-view.online/fckFiles/file/sexatezewiwaduviwonesulur.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/35835132268.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/gazubofoxos.pdfIn PDF document text
- http://balogmihaly.hu/UserFiles/file/10932351308.pdfIn PDF document text
- http://haumeaonline.com/userfiles/file/lurudakaxebuba.pdfIn PDF document text
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c6e180ab1---muwabizimanafezanogajot.pdfIn PDF document text
- http://tingchucontrol.com/Uploadfiles/files/59713993286.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/5181c1904866d7014b5ac9298afd84d9/36324286253.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/85029506788.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbfd5968b10---82131484005.pdfIn PDF document text
- http://alemotta.com/resources/original/file/57740587928.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/32a8a450180b82ceb1bd6b237f7f502c/lubumokuzufewef.pdfIn PDF document text
- http://autohondl.cz/userfiles/file/89624419537.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/17dn8juarjvejd95htp1ki9m47/patozemisegujimotekosokeg.pdfIn PDF document text
- http://wych123.com/upload/files/5469079170.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/fesiwutuxewokuvokaxaxibo.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/fce45fe687558b0cc65214fc3aeda4e4/47622038997.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/92187e27917bb38238b3d18be5da08c1/94518437342.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=can+i+upgrade+the+graphics+card+on+my+dell+inspironPDF 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_off000105bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105BC | 17668 bytes |
SHA-256: e3fcdd3cbe57b59ba9fe1bb2a52451dd31b1605f3f7de59a140c02f2dc2e8c18 |
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font_01_sfnt_off00013460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13460 | 11208 bytes |
SHA-256: a934a0c68c51be32ea885b461c61102450a7e5c91f6fa49d52823f546ff3be98 |
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font_02_sfnt_off00014e43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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