MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript and a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute malware or conduct phishing. The presence of a download button lure further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 https://keongracun.org/contents//files/keriwanelulasimivigix.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f0ce355f7---30309390238.pdf
- http://school19-zav.ru/userfiles/file/49998360723.pdf
- http://bet-balance.com/userfiles/file/gelirelarudujagojar.pdf
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/boxikutigu.pdf
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd2ca9529e5---pidubitixedugelujox.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609231d7c683b---94619859950.pdf
- https://markmont.eu/editor_uploads/system/files/fazukodiwafipoturegasa.pdf
- http://immobilieninvestors.eu/userfiles/file/95155192692.pdf
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/8011056882.pdf
- https://kipass.fr/userfiles/file/98164608875.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/0qdaavrs8e5atuvpp9eae9cc75/gafisu.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/c6f23223e5fe6078d4882bc581ef5f02/35632407571.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087d3e6dee29---poxexawi.pdf
- http://richiefamilyreunion.com/clients/7/7d/7d03816b951c94fc7c065ced7c7ccdcd/File/37135856766.pdf
- https://bulgariapools.com/contents//files/63823573566.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ad76146340f---xubiwebet.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608373485d0eb---19045360965.pdf
- https://bachson.net/upload/file/tukepamasegopebu.pdf
- https://irisapp.cn/uploadfiles/fckeditor/20210515/file/16210513019168.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1013c991c---rowugigosivesebelamot.pdf
- https://fonixkoncert.hu/upload/file/9148915208.pdf
- http://carscaso.com/js/upload/files/futusomop.pdf
- http://md-servicios.com/userfiles/file/davofolivefukadafixawir.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+calculate+cable+size
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea34.binac22d9f99f6ac54045554f86983e05c27d1c8f90394ed30056a156c63699081c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA34 | 16916 bytes |
font_01_sfnt_off00011677.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11677 | 16792 bytes |
font_02_sfnt_off00012e8e.bin5c3d666217dcec477c4e9dfe0bce4bfbf38d3887d5b7d8519475f7aedcf14051 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E8E | 10396 bytes |
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