MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms or disposable domains. The presence of numerous unknown URLs suggests a phishing or spam campaign aimed at driving traffic to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://hornets88.com/clients/56662/File/jizosiderexinoxovezesopu.pdf In PDF document text
- http://kinel-hunter.ru/upfiles/file/lozepag.pdfIn PDF document text
- https://binarbaidtrading.com/public_html/userfiles/file/xakozoxufuvajefikudabu.pdfIn PDF document text
- http://vakoplus.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/ximamogusogujonodonojaja.pdfIn PDF document text
- http://sobsai.com/ckfinder/userfiles/files/dotenifuvi.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/f8f095c11e74bfcc7ba6e005f4940034/23601281552.pdfIn PDF document text
- http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/56149181619.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/jolobozumij.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/128937959360b6169fc4adb.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160787f3cc33bb---xevofas.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d00f7179af9---tobepuwufasamenofuwubovo.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/21799b2e102df14e0d271b0a312b1072/depuj.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/81985904791.pdfIn PDF document text
- http://petersonspann.com/clients/3/32/32c4b2f41fa698b5b938e848169c8dcb/File/kozowedatevufer.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e132d3a486---nemakugadajexuvinima.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/96164051760.pdfIn PDF document text
- http://zubrcup.by/files/files/nijevazo.pdfIn PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/9297790875.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/autmkbq02gun61l3dhauook2jt/95437391703.pdfIn PDF document text
- https://kurishupally.org/userfiles/file/67181539265.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/5546783499.pdfIn PDF document text
- http://feynburg-uhren.de/uploads/96962299100.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/ccqcq1efvrvinkmg5r3rcri74c/kijoludigajosafuwef.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/3a4cab7c0e340aa061f81388c4e15585/zunogojipawu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=laboratory+experiments+for+general+chemistry+3rd+editionPDF 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_off0000f75e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF75E | 17912 bytes |
SHA-256: c2a2ead9ab56c5d254a7175000cee96116a0a92f7b2bfbb533171f41955c675c |
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font_01_sfnt_off000126b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B2 | 11552 bytes |
SHA-256: 13bacc94c765ad8d23e18ae4e2d0fd8ed3cc77dbde49326566842b0e631876ce |
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font_02_sfnt_off00014199.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14199 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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