MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains embedded JavaScript and numerous external links, many pointing to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users to malicious sites. The presence of embedded JavaScript suggests an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://5udua.com/contents/files/sonomokolirur.pdf In PDF document text
- https://keralatemples.info/ckfinder/userfiles/files/rezovepi.pdfIn PDF document text
- https://brianspradlin.com/userfiles/file/64548135351.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/97397132856.pdfIn PDF document text
- http://pure-chiral.com/upload/files/lodajalodevojerakekirurin.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6eb420080---24303610390.pdfIn PDF document text
- http://avtosfera28.ru/userfiles/file/90962960284.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/c497c9de3060758149856a3d205f4808/maluzefisaxut.pdfIn PDF document text
- http://stsmcc.org/www/js/ckfinder/userfiles/files/lizaxozapozi.pdfIn PDF document text
- http://nbmounts.com/userfiles/file/1632107577.pdfIn PDF document text
- https://ecohort.com/userfiles/files/78265752183.pdfIn PDF document text
- http://fanghsin.com/uploads/files/202109120611393518.pdfIn PDF document text
- http://asia-test.informacittadino.net/media/files/28097641990.pdfIn PDF document text
- http://mingmitrcoffee.com/user_img/files/wuzupexoxeno.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161340a9fe78af---pibotafimi.pdfIn PDF document text
- https://mountmoriahcamp.com/media/85942120890.pdfIn PDF document text
- https://livresdarts.com/ckfinder/userfiles/files/52190146404.pdfIn PDF document text
- https://aecvfcom.nrgence.com/upload/userfiles/files/tinarazusa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=rayman+jungle+run+freePDF 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_off0000aea6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEA6 | 15744 bytes |
SHA-256: 26bd3e7f9326cab81939e26f6b97af88ddc010371fc79bea58238fbf15104fa0 |
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font_01_sfnt_off0000d6ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6EA | 10468 bytes |
SHA-256: 2a877929ccff5a9bc528aad8c80a1f5b7dddc29358f859e85e8c4fff2c12edda |
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font_02_sfnt_off0000eeab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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