MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and link farms points towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://drafthe.ru/uplcv?utm_term=5+second+rule+cards+pdf PDF link annotation
- https://www.lucaslobker.com/minor/ckfinder/userfiles/files/61497252057.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/brmnngldb4n3mjfq9fm374icb6/xezep.pdfIn PDF document text
- https://korovin.org/site/img_ufiles/973441008.pdfIn PDF document text
- http://morebricks.com/ckfinder/userfiles/files/jinulamatufaxusexure.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/95624196810.pdfIn PDF document text
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/199a20b51390423f7b9267b4d6e6e94d/maxadedopewad.pdfIn PDF document text
- http://bluebiz.kr/userData/board/file/jikubaji.pdfIn PDF document text
- https://china-glass-mosaic.vegner.com/userfiles/files/20210907_153259.pdfIn PDF document text
- https://smwebtechnology.com/arishayurveda.com/userfiles/file/kitineja.pdfIn PDF document text
- http://nhatnamvina.vn/rich_editor/file/29768664486.pdfIn PDF document text
- http://viswinkelindex.nl/images/uploads/nolexekatezawomoxe.pdfIn PDF document text
- http://smelawservice.com/file_media/file_image/file/94064403064.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/85079817345.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/2b4804800ea1d2ddcf005e0348cfe01b/vununakepewipomugujom.pdfIn PDF document text
- https://vanchuyenduongsat.vn/upload/files/19871449094.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/gtsgpqnaatjfnjgs8mk2jf2n83/korolubisiperabeja.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/nitoper.pdfIn PDF document text
- http://abwlondonblvd.com/uploads/files/91960346577.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/32559543099.pdfIn PDF document text
- http://musicpark-live.com/userfiles/file/11242637975.pdfIn PDF document text
- http://szentistvanpatika.hu/upload/file/zidoximudibatixuma.pdfIn PDF document text
- https://zebcom.in/userfiles/file/femulefataxugisomavupok.pdfIn PDF document text
- http://urgentcarepb.net/userfiles/file/72217329487.pdfIn PDF document text
- https://aymexco.eu/ckfinder/userfiles/files/vijoxorugi.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_off0000daaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAA | 17632 bytes |
SHA-256: 0d2eb84b0c1dbf032be31cfccc0600e6fd8a5ab8adccd71a14c6d03829bdd233 |
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font_01_sfnt_off0001088b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1088B | 10560 bytes |
SHA-256: 85afcdfd2d808c3bf23901b21557d7fd2c56f32463889d816cabc86f281170dc |
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font_02_sfnt_off000120bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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