MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites. These sites, in turn, host other PDF files, suggesting a chain of malicious documents designed to lure users to download further payloads. The presence of multiple compromised CMS upload links indicates a deliberate effort to distribute malware.
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 http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/7k7gnr5ggh8pb6j47q4d2pv2h7/71908326777.pdf In PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7e9311d72---62637304162.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/9324871ddc404074539a15f564fc85a4/seselom.pdfIn PDF document text
- https://akemi.ro/hirek/file/mofifoxomopixe.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160892888873e8---padolukugavi.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb1780b8f4---1066154292.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160f4f10ab415a---pazisepab.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/161094c1ed8266---zodinofakefopawa.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45788887c6---71944977789.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/87532661989.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5a722d875---bibemugujudofo.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/nakezuxiridinafu.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/b6975f63f683864e81ac23b1eeb076c2/55818567375.pdfIn PDF document text
- http://whkmradio.com/userfiles/file/7729947814.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3a9b411c5---29640566455.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/95ad9fe51c1ea77c1c3f020d4dee3f7a/16898555683.pdfIn PDF document text
- http://staceyasp.com/UserFiles/file/16171477227.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/41271521177.pdfIn PDF document text
- http://sam-global.info/files/file/zaxufusizagara.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160795a0d1ccca---riwozizinivubajevem.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbce6e2bd5---26065834359.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/31mr0nordihpuab0dp891hckg7/jugiz.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c70d576031---29185496274.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=lfs+yamalar%C4%B1+indir+gezginlerPDF 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_off0000bef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d70f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD70F | 10656 bytes |
SHA-256: d9f089ffb8fb346ca6904f20207106fd7da2f1adb6ae9de79e4e828bcc673b56 |
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font_02_sfnt_off0000ef1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1A | 17608 bytes |
SHA-256: 4731f701be60a35ed0bd18fad642d4494c347afb9e462c75b7e99748217037ad |
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