MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to URLs hosted on compromised CMS platforms, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://peaceinsrilanka.lk/ckfinder/userfiles/files/zanozefofigivogukodemovo.pdf In PDF document text
- https://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/natemagupovagilitava.pdfIn PDF document text
- http://union.travel/ckfinder/userfiles/files/jerefonifafuzavivaver.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/9a4736f0b2689885de5d7ca18c3b8df8/76355635598.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/ae95891795f324244971a55edbbe0436/muwadirazorojunegakas.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0ec43f224---90691432847.pdfIn PDF document text
- http://nyett.hk/uploads/news/files/mikuxiputinu.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608082062f8f9---62806041415.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/25498919335.pdfIn PDF document text
- https://hansenlight.com/UploadFile/files/reniwokuduvolipeweta.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2e94e45b6---gabosugisisivuwerafowukij.pdfIn PDF document text
- http://www.malagatour.es/ckfinder/userfiles/files/91448113203.pdfIn PDF document text
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/pedikibegekojuzujivatijof.pdfIn PDF document text
- http://accronline.com/userfiles/file/4230675782.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/3b871b9d96269319f70d0256ec10a8a6/40323653763.pdfIn PDF document text
- https://aravlicraft.com/cmsCart//upload/file/rowuxipe.pdfIn PDF document text
- http://mountcalvary76.com/clients/9/90/9062e1c9f2360b2cedac6e2854879500/File/zemabejibutabowiputizama.pdfIn PDF document text
- https://hunde-katzen.at/soubory/zavuvise.pdfIn PDF document text
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/61a7d56bf3c6b83abe062f72b80a56a7/sukekajafufelutazodezavo.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/pobipamadil.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be55e8153e9---13604194651.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16092ee18f0bf7---82976553438.pdfIn PDF document text
- https://nepalaviationmuseum.com/userfiles/files/39697445888.pdfIn PDF document text
- http://surtek.biz/image/files/20150205_111950.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a6f61a40e---32356801339.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+fix+software+problemsPDF 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_off000119b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119B9 | 17144 bytes |
SHA-256: 1d298e9d14cc282b8a2bc2f20d1ce9d526c4eac243bc52bf7a0f8be3c6eb9a28 |
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font_01_sfnt_off000145f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015e08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E08 | 10732 bytes |
SHA-256: 8ad10bdfdd4ea1c1db645de0c4a0c92bc0c5872813c5fc882782b0a034c144c2 |
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