MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which appear to be disposable hosting or compromised CMS uploads, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://alianzablue.com/aym_image/files/81755278008.pdf In PDF document text
- https://daotaolaixesontay.com/uploads/file/zafamozolexugubo.pdfIn PDF document text
- http://flapboxes.custompackageboxes.com/userfiles/files/46649380625.pdfIn PDF document text
- https://lacaune.hu/userfiles/file/togakaboku.pdfIn PDF document text
- http://www.depomatrial.com/file/nibejujebuwatokedufejero.pdfIn PDF document text
- https://smwebtechnology.com/arishayurveda.com/userfiles/file/58608098848.pdfIn PDF document text
- https://healthtecindia.com/userfiles/file/xesitajumil.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/c08d6c49a8698417a63e7cb2d8d6e4ba/65788503972.pdfIn PDF document text
- http://gachbinhduong.com/upload/file/repofe.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/buteranumowavex.pdfIn PDF document text
- http://kammed.com/userfiles/file/48560952407.pdfIn PDF document text
- http://kolbiko.com/images/uploads/file/pubirazibepowodididogub.pdfIn PDF document text
- http://sskj.pl/userfiles/file/71701869119.pdfIn PDF document text
- https://zahidnawaz.com/UploadedImages/image/verumusadoza.pdfIn PDF document text
- http://divapharma.com/uploaded/file/runajevoniz.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161320bdc9c192---kafugepiga.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/b153c40cfae6a8c63c89db44d62f82c1/11328633369.pdfIn PDF document text
- https://chuyennhakienvangvn.net/upload/files/34041841503.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/kexofopezixufipuvoza.pdfIn PDF document text
- http://cyuanmei.com/userfiles/file/93427683285.pdfIn PDF document text
- http://gwtcs.org/Content/uploads/files/82777860950.pdfIn PDF document text
- http://spbmedaks.ru/sites/default/files/uploads/25321629031.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/65554442453.pdfIn PDF document text
- https://www.pepinieres-gey.fr/ckfinder/userfiles/files/59554223928.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=fortnite+apk+windows+10PDF 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_off0000be57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE57 | 10668 bytes |
SHA-256: 794b59821b4abe614aa809fb844158ce121fb1f01357ac27b8022c739172b809 |
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font_01_sfnt_off0000d6fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF0D | 17000 bytes |
SHA-256: 83de47e1bf206e8704fa3b456200fefdb3aa9128fdc89f8eb89adc2544621a87 |
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