MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607988f532a70---jamaxodiwuzi.pdf In PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/putabuxoruji.pdfIn PDF document text
- http://shreejians.com/userfiles/file/safesosatezilizadowurirex.pdfIn PDF document text
- http://tuanlongland.com/upload/files/89981441599.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/6c81fcbef4db4a59c957da89291b0c98/zepusutak.pdfIn PDF document text
- http://deurenhanger.nl/userfiles/file/pakegoxapif.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/avn988hcof9u35rc404on8csa5/gasenubitazofolowemes.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/3c6ce12c566df535f7ca487cd2537352/wabonutabuvojiw.pdfIn PDF document text
- https://braus.uz/images/shared/file/76419145589.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/67566768472.pdfIn PDF document text
- http://autowassenindex.nl/images/uploads/kivalepedug.pdfIn PDF document text
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/je2ooa80umrri9n5ot3dhbe934/nopinamubuvaxogakokimawe.pdfIn PDF document text
- https://nicklason.se/ckfinder/userfiles/files/33799971258.pdfIn PDF document text
- http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/4qc383e1ba5irvk2vkgdcs75b7/40552228836.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/1270710aa1403a6ba6538c94c8be0ec0/gawinudefe.pdfIn PDF document text
- http://tragiaocolamsapa.com/userfiles/image/file/rijolenaxubetolanijipufiw.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/33408045962.pdfIn PDF document text
- http://dchs1961.com/clients/871949/File/61280539657.pdfIn PDF document text
- http://leinerpakgelatine.com/survey/userfiles/files/razumovebadilodokej.pdfIn PDF document text
- http://chipgene.com/image/files/20210706_050643.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607feb3f4bed3---10436701140.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c83510e3b---98075328998.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160d6c3b4ca51a---39675785883.pdfIn PDF document text
- http://bundoreh.com/fckeditor/files/file/82490629042.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=create+man+in+our+imagePDF 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_off0000e71f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF31 | 17280 bytes |
SHA-256: 33422f62a98bec3f317ad86242c82b91897cf50b8a81cc02d56362b93f57b214 |
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font_02_sfnt_off00012b39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B39 | 10368 bytes |
SHA-256: 610b5d5753202674ec7badfc3b6e7f9c254c301e154e35913395c2876324e7ed |
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