MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, indicating a link farm designed to redirect users. The PDF's structure and embedded URLs suggest it is part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://bhavalaya.org/ckfinder/userfiles/files/28022923148.pdf In PDF document text
- http://www.iece.in/userfiles/file/soxufirimiruvaje.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/i96vvfhm4ja9h19via1t08r10e/fosufebofor.pdfIn PDF document text
- http://rubivina.com/Images_upload/files/72544512973.pdfIn PDF document text
- http://delfosventures.eu/userfiles/files/dopewo.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf28a5dd770---dozixeburapogu.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/2de0b35375d2851761c3deed71373481/99564898834.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16076b5e9cc307---24086870278.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e4cc2ddcb---48724820873.pdfIn PDF document text
- https://mayersoffice.com/userfiles/file/55208507299.pdfIn PDF document text
- http://ipllaser.in/uploads/57243916319.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/fowubad.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/7c9344b6b3112bf08c3981e3ccbc84e7/lazowetowigepu.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/75906546403.pdfIn PDF document text
- https://megatekspb.ru/sites/default/files/uploads/sopelek.pdfIn PDF document text
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/nuxidajotagaji.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/b05e2c26964100f3406e0c3e1477139e/nigimumonizakuxijo.pdfIn PDF document text
- http://sity-luxe.ru/userfiles/file/32751955657.pdfIn PDF document text
- https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/60160576086.pdfIn PDF document text
- http://moje-stranky.eu/userfiles/file/runoje.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff7df06f7c---11599123844.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6ab7ec769---43284420329.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/948e01f77aeb42cd81be522ad6abbcba/jadufotol.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/uv8s5gvkbr82v0vauk79s9sjs2/41637532429.pdfIn PDF document text
- http://namkhoabacninh.com/images/files/kurolojibepumawabetu.pdfIn PDF document text
- https://zoomkish.com/basefile/zoomkishcom/files/51568152948.pdfIn PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/labumogijebizafen.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=yale+digital+door+lock+user+manualPDF 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_off0000e50d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD24 | 10888 bytes |
SHA-256: ce683a49ac42e6867824a3dc5d57c5e01ac3d591d7fc13929c9a0cebc2cd91e9 |
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font_02_sfnt_off00011611.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11611 | 17968 bytes |
SHA-256: 19bd208121b5b4b153331474377f8087b41aef249d98f7a2dd96a37336ed20f0 |
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