MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution lure. Although no scripts were explicitly extracted, the PDF format and embedded URLs are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cfecb4dec0d---41200287511.pdf In PDF document text
- http://overtonnation.com/clients/f/f9/f97855507a39dfa58978186db9bff07a/File/xupamalipofixoku.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/25a6e449ea6e84510d8366e1ddd36564/32627189777.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/17137086933.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bdac4812801---papeniles.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbaa5dc8b66---zomivijurowuxijevajew.pdfIn PDF document text
- http://kururlaub-ungarn.de/bilder/files/17184045989.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160c230d41eeda---zediwu.pdfIn PDF document text
- http://praxis-greve-polley.de/web/editor/files/tofipegire.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/47f611839c96f8117b05794634168b0e/44696811906.pdfIn PDF document text
- http://epoxidice.ro/mm/file/67762592397.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d12fce2433---51944916836.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/7806f0e79465c995c10d26e64dc5a086/xudufizer.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c92d229a87---51674866316.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16074a6dbc3f75---jizon.pdfIn PDF document text
- https://seltec.io/images/uploads/files/delurazezawopudumaduwupu.pdfIn PDF document text
- http://hesexpo.com/img/editor/image/file/49576213029.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/97ksg82irf31pq5gepr9ap3rih/40146825049.pdfIn PDF document text
- http://hermangroupcorp.com/clients/3/38/389628ddbd62db2fa1e4299ecdfc1861/File/gasorixenej.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/e52d9df466cec136ee657722cbc7217c/83556761923.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/u9t5hgs883dk5e053au2lbjhda/68342841075.pdfIn PDF document text
- http://tulsamemorialclassof71.com/clients/84987/File/fusesewonofuduxera.pdfIn PDF document text
- http://risorsaterra.it/userfiles/files/rixadoruwitujibibote.pdfIn PDF document text
- http://kawoka.com/userfiles/file/kuzogefotomuwedinelexolo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=bicep+exercises+without+dumbbellsPDF 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_off0000e960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE960 | 16204 bytes |
SHA-256: 47d1a41788e80e58549ed0c71f16fab8e9caa6cece4dbd87ecb1526b39295c9d |
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font_01_sfnt_off00011344.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11344 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B5B | 10992 bytes |
SHA-256: 7e690f6e627695dc47e33284267c4519b7c4482e1f2d19e89422280efafe9162 |
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