MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links to external PDFs hosted on compromised websites, indicating a link farm designed to distribute malicious content. The presence of embedded URLs and the nature of the heuristics suggest this file is part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://alternativecarrepair.com/userfiles/file/54620536378.pdf In PDF document text
- http://baaningdoi.com/file_media/file_image/file/8385164662.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/fd72c78d2f53e23b246a1bbe91558973/suripafupos.pdfIn PDF document text
- https://taechoclub.com/FileData/ckfinder/files/20210606_AB968C0D51AFF4EF.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/88718474898.pdfIn PDF document text
- http://weingut-suppan.at/files/59884415309.pdfIn PDF document text
- http://goddesshair.net/upload/users/files/97948495068.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/95010e55348e6293e97913fbbe7521f1/65167526727.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/olu9qmeirqfgabpvic17fvkt5t/96658095841.pdfIn PDF document text
- http://jcpingie.be/public/files/jekiw.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/95253402015.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b78131faf---62039977472.pdfIn PDF document text
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/7d7edac97cc0c2b35059b5cf51491ac2/goxanowebuxitux.pdfIn PDF document text
- https://noriupapildu.lt/ckfinder/userfiles/files/jaxurozazedegalinu.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/b5ee3bd746092366319747267c1e369a/waruvawixuratulesekomiti.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/3b6831a7b6dc6731e3237566436722a4/wugeloko.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/161271a4a9425e---dujodiwutapiguxol.pdfIn PDF document text
- http://automyjka.pl/automyjka.pl/userfiles/file/18980579002.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/43757266896.pdfIn PDF document text
- http://alkanboya.com/files/file///72995579202.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efb0ac9eda---nubeminunokuzukiwaka.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/07536rek719gqauqjb7ga0od0f/dimupazo.pdfIn PDF document text
- http://kondicionery-lubertsy.ru/upload_picture/file/53232354250.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8f1a42639---88080532674.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/b069d29830447728f240d27b05ac7fa7/99326492588.pdfIn PDF document text
- https://beruanglucu.com/contents/files/nuzusupimuwanopufobolo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=teaching+strategies+in+mathematics+for+secondary+pdfPDF 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_off0000e198.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE198 | 17860 bytes |
SHA-256: c8ee948740b691229625a029dc45fce4af195afcd8e9f7007c669fb65a1b690a |
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font_01_sfnt_off0001104f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104F | 11096 bytes |
SHA-256: 6d3ddb2094bff2bc6bdc4e039d6064e4d9e752ac6e453ac7494fc07005b8451c |
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font_02_sfnt_off000129e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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