MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the redirection to these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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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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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://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160717c0e20b34---pagatavejud.pdf In PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a605d0b45eb---88560626634.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0f602de6f---7084602822.pdfIn PDF document text
- http://noahsmarinesurveyors.ca/userfiles/file/35566455735.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/15710957944.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/hn8f254okqakeg8frrskcgp5p1/terepozirazajiwevujazefu.pdfIn PDF document text
- http://taiwanglassgroup.cn/userfiles/file/jirupewew.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/b3ab80cd463975f2ae5ec75e9d99f57d/muxujejafo.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff8dbe32c1---sopisodelopumisumufuba.pdfIn PDF document text
- https://trunglamdecor.com/uploads/userfiles/file/mapivibijek.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/58280523633.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/734043593.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/96954696982.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/1e33e88f33bd608a38f771497fc8cc0d/wazetifunojopibixa.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9dda668df---wuburexav.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/pekivixan.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/32896089258.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d61d5ebc2---15223111335.pdfIn PDF document text
- http://duonglaohanoi.com/userfiles/file/92258803732.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/bc2ce8949549bf888970e3b67e5ec906/83831730249.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac85853af26---duwobawokav.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a113d0ba8---59246736628.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609dba95dca1a---fukuwusijoxed.pdfIn PDF document text
- https://tiguan-wiki.ru/file/50969611550.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c20bf32d1b7---78294475752.pdfIn PDF document text
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/4tjb2vgvlri35qmp4hphmdnja3/wuwutemimekopamerijudurax.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+create+a+pdf+on+iphone+11PDF 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_off0000f1e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E6 | 17224 bytes |
SHA-256: 813686575aa28d3ca8498f727e5476135fd5417bc2e8418d8c91a2be6900b2f9 |
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font_01_sfnt_off00011f0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13722 | 10632 bytes |
SHA-256: 9ab851946421d3dc37e0d09680a43ab4d0212aff5a8f03edf8bbdfeeeb0fa148 |
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