MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or malware distribution intent. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://crysiq.ru/uplcv?utm_term=share+market+second+half+time PDF link annotation
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ea3b8995f---81072314882.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/80fhj9bhb7rle0n0rlolamrgt1/38237884996.pdfIn PDF document text
- http://www.dean-cpa.com/files/adminpic/file/jofegufesoxewagoxoporuna.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609439d47bf8c---tubatozozumatu.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/93382761956.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/7024662ff8f08d0cffa9b7d9b9576367/kelulisorami.pdfIn PDF document text
- http://mxm-hosting.nl/img/editor/file/wojuwodupusefat.pdfIn PDF document text
- http://sshs1962.info/clients/3/33/33dcd814b32da85629335a95ab3d0158/File/24057294549.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/rafinemufofineroparu.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/kolanibit.pdfIn PDF document text
- https://ph2020.org/FCKeditor/file/vejaz.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/2mbdeaqujqk6mvn326iptrsalg/27614799637.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/linexiruvar.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bebe6d27db3---daduwugexabufod.pdfIn PDF document text
- http://analogsys.com/uploaded/file/1379323244609151661d4f5.pdfIn PDF document text
- https://amd-export.com/site/upload/file/34205698540.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca303ae94a---buwotikukikulena.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086e06eb54b6---35564742010.pdfIn PDF document text
- http://ukrainski-rosyjski.pl/userfiles/file/vomizidito.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b1be3234482---25644550889.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074335ca1db7---xogan.pdfIn PDF document text
- http://rowanfamilyreunion.com/clients/28915/File/zositut.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16087ddd436027---sekufowonaget.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/eleb0tn9h1bmc7ueluj5cphvp5/bewixifumugojusim.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/63909515381.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/60038472510.pdfIn PDF document text
- 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_off0000ee4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10666 | 10908 bytes |
SHA-256: 5bbfbb68625bb115369abb4b23072473813a88f16a187bb8331f8b2470ccecb2 |
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font_02_sfnt_off00011f69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F69 | 17632 bytes |
SHA-256: 5ee371d51185c5ec7354a60f71effcc81022b61588fb99fbba2ea04031b86226 |
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