MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://medicalproduct.hu/images/files/judidoseviperejul.pdf In PDF document text
- http://3e3i.com/UserFiles/file///pikalogewu.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608039dd66c2e---vusotemaw.pdfIn PDF document text
- http://maternites-catholiques.org/ressource/site-image/files/622982080.pdfIn PDF document text
- http://cf-solutions.org/app/webroot/fckeditor/editor/filemanager/connectors/php/imgmedia/kakelilozob.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/31159990444.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/88995435677.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/js9dj7oalkc5g1dlt8h9j5k3v4/xujufired.pdfIn PDF document text
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078b6ce75ca8---ligefaforab.pdfIn PDF document text
- https://pomacanthe-art.fr/imagebeforeafter/files/filarebobadumoro.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/20685726698.pdfIn PDF document text
- http://instalace-charvat.cz/userfiles/file/82415669483.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/6829cc1db293c34a5463ed8ac03dc395/gaserafasolefibum.pdfIn PDF document text
- http://allg-gyn.ch/userfiles/file/70181800883.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/98378685981.pdfIn PDF document text
- https://commonwealthsportsawards.com/userfiles/file/waxugofobasobibufivivim.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/fe801e115a3b54bc4005e0c241dbf556/20942567784.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e8af4087f---56077731642.pdfIn PDF document text
- https://hbfilm.ca/resimler/files/suvodupugexut.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/dfd989e6f7919190583aa06a2ed6f6d8/39206363026.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/1551f8fac38cdaa4f0951aaa8f6f1340/97609239635.pdfIn PDF document text
- http://adbuffalony.com/uploads/files/dosoxumex.pdfIn PDF document text
- https://ceral.pl/ceral/pliki/file/39830960710.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=foxit+phantompdf+crack+onhaxPDF 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_off0000d665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD665 | 10708 bytes |
SHA-256: cd682ed936df7b38df7ed8525ef292769cd66fd9e59428651511074c63ce8959 |
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font_01_sfnt_off0000eec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC3 | 17028 bytes |
SHA-256: 19ded73b98965f6ee8a62ea5e1006a68f64880a35b3af31a64a5ce746f1a4e1c |
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font_02_sfnt_off00011af6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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