MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous links, many pointing to compromised CMS upload storage, suggesting a link farm designed to trick users into downloading malicious files. The presence of a 'download button' heuristic further supports this phishing-like lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://ever.dacola.com/upload/files/xigisojezazibarujabebed.pdf In PDF document text
- http://dxqzx.com/ckfinder/userfiles/files/20210903_085228.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1610afa4e0bee1---26115767298.pdfIn PDF document text
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/02dcab84524a45ff1de952a6cbd8f336/jekagatawate.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/48566714635.pdfIn PDF document text
- https://tpk-m.ru/files/file/duxalalesotu.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/6826536f663c552d790956a66202ca13/rivojusijaweketabisa.pdfIn PDF document text
- https://aletihad-group.com/userfiles/files/73106546615.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/04v9qv0v7n8005q9nn1chfqsnn/rakudinoguxuxakumixuwip.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724d9e393a2---99461837168.pdfIn PDF document text
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/f8b98d1c625931698ef24042fd50f020/9294648275.pdfIn PDF document text
- http://marcth.pl/media/fck/file/48752151904.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/7fa0cc07681bc45e85e72f78ff48636f/fezolanutuxejofexa.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/161050ffb9f2be---leragesiritufuvonolavif.pdfIn PDF document text
- http://sitepride.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/17627163989.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/panifo.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161060af4cf767---18571409557.pdfIn PDF document text
- http://labotinnghia.com/img/files/3054058990.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/6801f5ffed8b8d3218deb6dfcc16aafb/43364086735.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160828f47c261c---gudazivizoruvowole.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/b2ffe9ff58336a6f30334db2577574bc/25616796263.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160862d0b4c5c4---81615733809.pdfIn PDF document text
- https://rajatotogroup3.com/contents//files/burinokuvadugavojoxalubu.pdfIn PDF document text
- http://doo-san.com/userfiles/file/20210518160359.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=race+car+aerodynamics+pdf+katzPDF 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_off0000e346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE346 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB5D | 11044 bytes |
SHA-256: faab6c7d7e64c28472f89b75fe09db2522dd6e32d6b2fc200a984d988d911413 |
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font_02_sfnt_off00011524.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11524 | 18204 bytes |
SHA-256: bb4b4cb485e640fad9c25d3819fa74e6a4942446ef31b09e66403102f16de045 |
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