MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to websites hosted on compromised CMS platforms or utilize disposable hosting, indicative of a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://tuning-zone.eu/userfiles/file/lezonoguriw.pdf In PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/52357372175.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d9eccf29c---xamofitifa.pdfIn PDF document text
- http://gopherandsquirrelcontrol.com/admin/images/file/85856890423.pdfIn PDF document text
- https://hotelgaric.com/upload/datoteke/nivizopajatopare.pdfIn PDF document text
- http://sooam.com/files/fckeditor/file/124596408461292784a4b34.pdfIn PDF document text
- https://tavio.ru/files/file/5839130389.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ac06472db69---51641575062.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/dizex.pdfIn PDF document text
- http://greenfins-thailand.org/uploads/file/redum.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/zenaxadesonigajunedipu.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bd1f73026---zusurasapumas.pdfIn PDF document text
- http://cobmedia.hu/include/84259497693.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/bilod.pdfIn PDF document text
- http://praxis-greve-polley.de/web/editor/files/16841150369.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/lpbq2u2od82sk71d01mejieh05/24473726248.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/p3951rh0r44u784r9hm408s8s6/12948076622.pdfIn PDF document text
- http://hms31.ru/img/file/selinod.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd95873de1---30745974575.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/492ed71c28f953264dba66b285699292/kavisesejusubasireneke.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/gavugozaletevobadikex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=end+up+byPDF 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_off0000fb35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB35 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011347.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11347 | 17524 bytes |
SHA-256: 479c35ffd45bee483f85d907dfaef347f29c80fbc607f4848b648e220c259ec8 |
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font_02_sfnt_off00014124.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14124 | 9804 bytes |
SHA-256: 8da3e4996ba77febd6068416a339831f33d6a640f2c54ba5c36857cf350f3785 |
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