MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION firings strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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://diamondsnspurs.com/clients/12200/File/vizidurixakenuk.pdf In PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ada50265a3---3517966829.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abb83a43cc3---doviwawidiwadibukurowexob.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/desanopejusaf.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-6-12/20210612175148230508.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/0c12a93606c17c3b557cc57d3edccd45/gamek.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/ad6qkvkt52u3ab5m4uonar8hh5/5657149112.pdfIn PDF document text
- https://juraganmonyet.com/contents//files/veburerijoj.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/1233c0b666a1c72e5970ef5993e19b7f/motituwuf.pdfIn PDF document text
- http://hublihorse.com/uploads/userfiles/files/54934128188.pdfIn PDF document text
- http://federicozucchettiarchitetto.eu/userfiles/files/73048126858.pdfIn PDF document text
- http://bociany.sk/media/file/29060086546.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160998fed9f4f7---remapoxosufoniriduvulob.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/4740109eaee011990b8390ad8c753990/70982323026.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160746373b1916---49691448459.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160b30e9ab0cae---79303229717.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///2021061715150_381664745.pdfIn PDF document text
- https://travelinnsuites.com/nbloom/fckuploads/file/zenadidej.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/54263349873.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d40f0b41dd1---davolekonitaxapajad.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a56a0ee8313---81954000878.pdfIn PDF document text
- http://rjt1.org/upload/files/4574966336.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/35hvud88itf5u5jl1mbbrad0i1/10297042067.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/0bf177f1d8ab340924d30a807fc3bfc9/nibufetinaripevugaze.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=keep+the+enemy+closerPDF 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_off00012fa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000147b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147B9 | 17212 bytes |
SHA-256: 9d9100c991b62ee0115fc02ded86c2918e7014bb44d864cfeb070f0953900fa0 |
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font_02_sfnt_off000174b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x174B7 | 10488 bytes |
SHA-256: f0dbf8934f3f9ac9db52b64c98078d91a7f1861a6ed995f753f4168f7f183cef |
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