MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to compromised CMS uploads and disposable hosting, suggesting it functions as a link farm to distribute further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160926e92ea4dd---79144860285.pdf In PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/d92e0c0e33fe5beda4ce9c8ec43ef2d6/gujudozurimub.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/25af81e29f3281ee13ac229922807bd8/jupaziwadume.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b812238d6---84130625215.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/39928b4e7ae11293e0aff1bd92ef18c2/85315654710.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/f465678bb880b7b6f19bab8480b69e8b/32620267197.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/3b2caco123ipuh2ieig5fkadb4/36663664108.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/ba887478a6f44d3155574a76499d3e73/73726023136.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/vf429j0p8c9mav9cc1r69lu0sj/jujogem.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/42092671126.pdfIn PDF document text
- http://aivieksteslaivas.lv/userfiles/file/sapizupezo.pdfIn PDF document text
- https://almondzwealth.com/administrator/imagetemp/file/73995593755.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/12rnkhgjbmk8sg6npr6niuusmp/75256920355.pdfIn PDF document text
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/b2c0a8c1dcab4ea8c6e7caf7ae447296/botixefunupajusef.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/efe33324e5fb786ab676e1372798cf93/96778201413.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=ielts+academic+reading+samples+with+answers+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1B0 | 5600 bytes |
SHA-256: 69b97a0c5d37a829c109548dcc1fbdd8113503067663419d794c533703b43999 |
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font_01_sfnt_off0000e49f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE49F | 9852 bytes |
SHA-256: 7d67240377b4c8a08ca000b0ff4deaa30815fe7c14b6174515c4a7a94dcd0778 |
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