MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://coretry.ru/uplcv?utm_term=hellboy+comics+pdf+espa%C3%B1ol PDF link annotation
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/a0864a72bcc2c57894aa3067f478d163/lejarilutalubigoti.pdfIn PDF document text
- http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/69215573427.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/garafudi.pdfIn PDF document text
- http://altinay-law.com/images/file/suzedizupamu.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160725b9cefe05---52632604757.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/74860222967.pdfIn PDF document text
- http://ecohouse-lab.de/userfiles/file/mokovevukawonoguxogel.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ead3088c1a---55463061171.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/3a27c3ba9ab864c7a8685f337a2a5ff9/81296525136.pdfIn PDF document text
- https://cremyco.com/app/webroot/docs/file/jurebok.pdfIn PDF document text
- https://soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images//files/19326844498.pdfIn PDF document text
- http://billsky.ee/files/file/xolitisuvijifo.pdfIn PDF document text
- https://unserbiokorb.ch/userfiles/file/wosuvidamip.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/daike6al6ck8liir9revr1j1v4/95514049915.pdfIn PDF document text
- http://jgweld18.com/UploadFile/file/20210819072002236.pdfIn PDF document text
- https://basalyemek.com/ckfinder/userfiles/files/7421739897.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/86065366105.pdfIn PDF document text
- https://abeess.com/userfiles/file/vufasa.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/1927000908.pdfIn PDF document text
- https://toppelletmachine.com/d/files/mezisivikepawabirapu.pdfIn PDF document text
- http://www.bash.cl/media/file/34847465419.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/2e75680ef974c963d795e6029d36a0c5/97413218955.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_off0000ebbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBF | 10928 bytes |
SHA-256: 63daebd191cda559d830f1bcf977b7c078d2968db5a61da647ec00c14827c795 |
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font_01_sfnt_off000104c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD6 | 18976 bytes |
SHA-256: 2b38bb5f2913e1b67f4043a073e4b8bc86bea104cd9fbd3f1d4c59c6c768f445 |
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