MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the PDF structure itself are indicative of an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://catamma.ru/uplcv?utm_term=boss%27s+day+meme+funny PDF link annotation
- http://mansiya.com/uploadfile/files/revaxabuta.pdfIn PDF document text
- https://zapret-rf.org/web/img/podborky/files/weriselug.pdfIn PDF document text
- https://jager-ig.tw/up_photo/file/19788546679.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387f0f6bc26---17780452416.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/mixuxafelabezunibexadiwox.pdfIn PDF document text
- http://philipsphotographystudio.com/nafipuvunowafidowonuwuxup.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/vmhbp90mki2gvpt73dfnjpipaf/52886398509.pdfIn PDF document text
- https://mycocoa.org/images/upload/files/galarupaberozekifaz.pdfIn PDF document text
- http://demkapi.com/resimler/files/44795290139.pdfIn PDF document text
- https://autoroman-service.ro/imagini_ws/98962592702.pdfIn PDF document text
- http://www.vegagastro.pl/upload/file/60187762500.pdfIn PDF document text
- http://emanuelarombiarchitetto.eu/userfiles/files/vefoxoluso.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614058bfced71---terukozokanuxabugapilu.pdfIn PDF document text
- http://www.culturehousesun.org/photos/file/buxagebipikes.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/tasuwubovasiruguwemijipi.pdfIn PDF document text
- http://tasfor.com/files/galeria/files/xivetuvudeniniminademel.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/dr589g1uuuou2pk7qivg7t4hi3/xidipumiponomiz.pdfIn PDF document text
- https://satesayap.com/contents/files/38951369098.pdfIn PDF document text
- http://ptairsupply.com/userfiles/file/tilenetotowanalutewut.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/92904886401.pdfIn PDF document text
- http://whitedwarf.ru/public/images/ckfinder/files/44487268854.pdfIn PDF document text
- http://kiszelyugyvediiroda.hu/docs/file/71948321897.pdfIn PDF document text
- https://theurbanthinktank.com/files/4963152741.pdfIn PDF document text
- 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_off0000d574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD574 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED8B | 10480 bytes |
SHA-256: 69272c699ebde256c8a5fdffd422226adeb78b516bdbc3aa01d7c2306aa6c7da |
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font_02_sfnt_off00010573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10573 | 17312 bytes |
SHA-256: 28679a3e6ddd0648d0f8052294d22388a30f48e3d8a115663dc27f805bd7014b |
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