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 upload directories, suggesting it functions as a link farm to distribute further malicious content. The presence of external URIs and link farm heuristics indicates an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6ce83a647---15643349987.pdf In PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607828f5e2107---zuwenaruretezuvikesexoxez.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/wojawibevipele.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/goturabomasi.pdfIn PDF document text
- http://baraanduliaptti.org/userfiles/file/62347076757.pdfIn PDF document text
- http://dilimkebab.com/userfiles/file/koxegonezafem.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b4605c6032d---99186192666.pdfIn PDF document text
- http://paliukenas.lt/i/File/tosavi.pdfIn PDF document text
- https://securitydm.rs/slicice/file/wovuzemusiwinapi.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf85af69499---gatizifawagisagit.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/defe2cuh47t1i5ou3o6lo4nk4p/benododuxipatuzivonulizom.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc95c791fb---segivu.pdfIn PDF document text
- http://kwartetproforma.com/userfiles/file/71205652743.pdfIn PDF document text
- http://exclusivelimoservice.com/ckfinder/userfiles/files/83684446992.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079cd39266f0---13614929174.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075faa13e22e---gikopubakidafowenupofu.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/32734450353.pdfIn PDF document text
- http://alconburyreunion.com/clients/36523/File/lagixi.pdfIn PDF document text
- http://davidhammerstein.org/userfiles/file/33392346669.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f476dd2e4---30801417776.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608116e9a215e---90368588501.pdfIn PDF document text
- http://logiccpacma.com/ckfinder/userfiles/files/xumonubodoziledebopu.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/g2o80nk7so84l433rocgaja9k1/vudedib.pdfIn PDF document text
- https://procogs.com/FCKeditor/file/11813768893.pdfIn PDF document text
- http://kayamedbursa.com/userfiles/file/68042695356.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=watch+online+movies+hd+bollywoodPDF 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_off0000ec5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC5C | 10932 bytes |
SHA-256: 3c86e57d78f02848bd9c600b72726bc25caade4018cbbfbbc38af27b4fb7f886 |
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font_01_sfnt_off0001058b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1058B | 17424 bytes |
SHA-256: 7da7d21ea6b31ca90f701fc8d8070c3c2ae051def2d3dc5fcdc488cff86d0802 |
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font_02_sfnt_off0001332e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1332E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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