MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a link farm pointing to various websites, including those hosted on compromised CMS platforms, suggesting an attempt to direct users to malicious content or downloads. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
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 https://dyaa.club/uploads/file/nuselifalafanum.pdf In PDF document text
- http://scuolascifondocortinadolomiti.it/userfiles/files/59760976408.pdfIn PDF document text
- https://thuaphatlaihoanghuy.com/uploads/files/doviposobiba.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/obstsqj4qlb4bvo6iq2jv86ucl/lometitegosezotapirez.pdfIn PDF document text
- http://urdu-hadith.com/survey/userfiles/files/pulawabipuw.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/71c26f263b167b724480e8b2d1ac6bc9/91390940123.pdfIn PDF document text
- http://katyababash.com/images/uploads/file/43014084270.pdfIn PDF document text
- https://rajakeempat.com/contents/files/rowiluwugizuxemikosenomub.pdfIn PDF document text
- http://riverside-plaza.com/upload/userfile/files/41260438094.pdfIn PDF document text
- http://cu-mbc.com/ckfinder/userfiles/files/48419747067.pdfIn PDF document text
- http://flagrant-desir.com/userfiles/file/75581174181.pdfIn PDF document text
- http://stilna-ya.com/_userfiles/file/bopoze.pdfIn PDF document text
- http://gdlejia.com/uploadfile/files/20210905_014423.pdfIn PDF document text
- http://netdepphunu.vn/images/userfiles/file/kimovu.pdfIn PDF document text
- https://thefencedocumentary.com/adminfiles/file/bewowixi.pdfIn PDF document text
- http://rescue119.org/userfiles/file/8136862651.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7e398f239---pexodazafasosivarobezezib.pdfIn PDF document text
- http://nova-auto.com/upload/879991647.pdfIn PDF document text
- http://avvolodin.ru/upload/file/47781022113.pdfIn PDF document text
- http://sibinetweek.ru/userfiles/file/13779048094.pdfIn PDF document text
- https://equimat-cheval.fr/file/21695963446.pdfIn PDF document text
- https://iwistw.com/upload/files/wokajamerotomifadowodev.pdfIn PDF document text
- http://occahomesearch.com/userfiles/files/70199430059.pdfIn PDF document text
- http://www.eurosecurimed.com/ckfinder/userfiles/files/30777776911.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=dead+trigger+2+free+downloadPDF 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_off0000b722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB722 | 10568 bytes |
SHA-256: 347e10d260987d289faa80c5a674c60be4f67e85a3cd3da193a67fc70c3fbc94 |
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font_01_sfnt_off0000cf3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF3B | 15244 bytes |
SHA-256: 302d2c472756c544187e4e0c7ca0bca699c9897b37ac1e9b2772493b9344f17b |
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font_02_sfnt_off0000f5dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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