MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload storage and disposable hosting. This structure is characteristic of a link farm designed to redirect users to malicious websites, likely for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/38ee80baa86746a605687c87725ca81c/xopototatobipidivesonidu.pdf In PDF document text
- http://aburobocon2019.mnb.mn/uploads/files/66453553064.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-23/20210923163346884675.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/42388188455.pdfIn PDF document text
- https://woft-dining.com/webroot/editor-uploads/files/roxazumemiwawemaba.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/file/77209634025.pdfIn PDF document text
- https://creteservices.com/FCKeditor/userimages/file/86970034663.pdfIn PDF document text
- https://chowdhurytourism.com/ckfinder/userfiles/files/pubokuzisozipeseg.pdfIn PDF document text
- https://defrokatilai.lt/images/files/20583923410.pdfIn PDF document text
- http://xn--b1agpbmdtf.xn--p1ai/upload/file/22050645082.pdfIn PDF document text
- http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/fafedunulasozufok.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614169726dd44---83475595788.pdfIn PDF document text
- http://xhiehchin.com/Xhieh_News/_file/87901194111.pdfIn PDF document text
- http://jrecchina.com/ckeditor/ckfinder/userfiles/files/22516343804.pdfIn PDF document text
- http://ylplj.com/ckfinder/userfiles/files/51236482371.pdfIn PDF document text
- https://hosrem.org.vn/ckfinder/userfiles/files/13980205752.pdfIn PDF document text
- http://yipdeals.com/app/webroot/upload/files/63423050238.pdfIn PDF document text
- http://hylimusic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/jurojazilazelepelasag.pdfIn PDF document text
- http://www.icf-plant.com/files/file/91077927595.pdfIn PDF document text
- https://bangprice.com/bangprice.com/beta/cms_image/file/rakawakivubunalibeva.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/rebawopigatisuja.pdfIn PDF document text
- http://giasudaihocsupham.com/Images_upload/files/98587730511.pdfIn PDF document text
- https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/47115168457.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16150a217f3519---merovizusa.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/BGAemAmcdTc/uplcv?utm_term=yo+gabba+gabba+there%27s+a+party+in+my+tummyPDF 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_off0000d420.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD420 | 11024 bytes |
SHA-256: c12298a9901b3eee595c364b333191e734a44043ce753b9d6f7bc282d72c14e6 |
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font_01_sfnt_off0000ed73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED73 | 16728 bytes |
SHA-256: cae4e74878f38be52ca3aeda3ea628f10345d774092cdd1705e9ae655c314c74 |
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font_02_sfnt_off000118b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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