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 compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://goooinggroup.com/userfiles/files/20210713_185850.pdf In PDF document text
- http://kzlo.pl/fotki/fotki/file/zisurif.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a120ce514---95519698409.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/71272989193.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/kt3tnbde803ropctggrjnqkqol/jovoma.pdfIn PDF document text
- https://growyourmoney.in/userfiles/files/82176847905.pdfIn PDF document text
- https://perfecthospital.net/FCKeditor/file/wusudis.pdfIn PDF document text
- http://lws-realestate.com/userfiles/files/pasawenok.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b7a0812e3---14076390967.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/jirezigek.pdfIn PDF document text
- https://avukatwebsitesi.kocgrafik.net/upload/files/59071028643.pdfIn PDF document text
- http://fullcolorspandoeken.nl/userfiles/file/lizexubolojepik.pdfIn PDF document text
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gafalinuvelurerabediwonu.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/8be2c646b961b9f545cab3f1da077537/22314632551.pdfIn PDF document text
- https://badeluxe.com/userfiles/files/57034168948.pdfIn PDF document text
- http://slsnn.ru/content/file/57442033300.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/susogabinagexegutan.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/j7lmvrl0d9m3qc8e84m1c6b382/lupupuxusixewadisukibuniv.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1611e4c5bbb486---xerezuzilizelititakibove.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/eea25b9fa9c2c8bcd6d5310407e75714/12853965563.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/5a52e234f13f138c3fb0baf4c6856600/gesikunukuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=maths+worksheets+for+grade+6+printablePDF 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_off0000ae03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE03 | 14612 bytes |
SHA-256: 112bd92816b4d1cbbe59f0eed318f705dc358807565907505b48d0f1c3af5c61 |
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font_01_sfnt_off0000d273.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD273 | 11256 bytes |
SHA-256: 9a3586847d2d07298946a105f50ad383e1a2944c86dcf3402697a367842b2487 |
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font_02_sfnt_off0000ec76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC76 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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