MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm used to distribute malicious content or conduct phishing attacks. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/vprpfm2hdghtr1hntslgo4c4g2/degogom.pdf In PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/30281fa0f25b7ebf681c4b210e862f4e/39538915614.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8ca6ab156---45113203445.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/89992252756.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/9a5bc7e390d34fead62dd1abe9239dd4/nodezi.pdfIn PDF document text
- http://shipagents.nl/uploadfiles/file/folubawemakofesutanixuluf.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/ac0325fe792ad6755b1089f5992ef189/nitejovubuto.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089d15e6727c---tiligajubonakejuv.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/ee0c88bb4bbfb25f891e37d83a4fa01d/30638658940.pdfIn PDF document text
- http://alliance-vietnam.com/upload/files/lexurotifuwujavegaxina.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/d93f0553273667ae36fc96537ee588a6/wibesogiserilabomeke.pdfIn PDF document text
- https://atl-50.com/files/file/gozewibamafuz.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/hl36q8ba8ei5o26bk39htn16ct/82423233586.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b0e77b2c7---nomutas.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608643a2690b5---mokewikodejusulo.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/1ii7hdnfs7gc66u6gjultcepf0/pasopetizaduxiwo.pdfIn PDF document text
- http://charivne.info/images/file/29552964963.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/f37aa40542d7353007ef3e43010520e7/panom.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160720736591eb---52222261996.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d83b6f7a716---mogenuxawivepofapir.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f088fd948a---kimer.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b9bd767a4---82251238962.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/daa937128f1482ada11280e315611bfb/60492641007.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=above+all+roofingPDF 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_off0000e9ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CA | 10312 bytes |
SHA-256: 232ff38340a55e0a5b0aa180358492793a8eb88965e2e81fa1058ed9a9a37874 |
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font_01_sfnt_off0001011f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1011F | 17400 bytes |
SHA-256: 30282a06ed57dfe9d68d9b4c5479447112a461bf6c38273a5ae739a68189a8e0 |
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font_02_sfnt_off00012e94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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