MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised CMS upload storage, suggesting it's designed to redirect users to malicious sites. The embedded URLs, such as http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160804f00957b4---bapolisobizugepumusupef.pdf, are likely part of this redirection chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f1bfabe9a---zuxikeson.pdf In PDF document text
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/e7533a8fe6e4e7d32bd7232228df8c45/fesovenumigobifeni.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c89a4ab497e---87311162970.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160804f00957b4---bapolisobizugepumusupef.pdfIn PDF document text
- https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/vfmhqgmca6epl2vvloiikqlr7l/64233768315.pdfIn PDF document text
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/aa120cf9c02c849fb363cdcb618e467a/lilemarotonulisejegivi.pdfIn PDF document text
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/3261980926.pdfIn PDF document text
- https://langumeistras.lt/i/File/10240974848.pdfIn PDF document text
- http://photo-preiss.com/upload_files/files/46083424089.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f53c76746b---5852182721.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073981660d46---77772914692.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/92798368643.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f832c472a8---56493644487.pdfIn PDF document text
- http://airshow-bg.com/file/46129187940.pdfIn PDF document text
- https://tavcam.com/upload/ckfinder/files/3074385600.pdfIn PDF document text
- http://podiummoda.ru/userfiles/file/71764170676.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/joxupizaj.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609830689d110---17087626024.pdfIn PDF document text
- http://mgocsm.in/userfiles/file/tigeporowabikesevuwakog.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/130e0812557981eef5e5f3415f0945dd/27689071156.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/rufip.pdfIn PDF document text
- http://gibisch.org/files/files/nezimekajamuperuz.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/45122552168.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/219bdd5c1084050abf54b691f75bdfca/26518083576.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e8ce2f3f9---75877424896.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kk621rd9miq09qkb0c2tshivi2/25943945478.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=inventor+2018+3d+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_off0000cc40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC40 | 17464 bytes |
SHA-256: d3657fd7822f6fe5159ae84e5b8e14f3f8665d5efa5a395689a9794e10925bcf |
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font_01_sfnt_off0000f92a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011141.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11141 | 10712 bytes |
SHA-256: 58f6cf7606a13a85640f16ea5edb6459c5faac4bed6a68e370da203dc4e0bc5b |
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