MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable domains. The embedded URLs, such as http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613da4774121a---2791691231.pdf, are likely part of this malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://murielbellhomes.com/userfiles/files/xukefidimif.pdf In PDF document text
- http://www.miwon.vn/app/webroot/uploads/files/5838150687.pdfIn PDF document text
- http://shinies.ru/img/lib/file/90088344443.pdfIn PDF document text
- http://enidental.com/userfiles/file/20210905115432.pdfIn PDF document text
- https://nationalshield-uae.com/userfiles/files/94547851070.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c50385467---23954945368.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/55019634537.pdfIn PDF document text
- https://makiriaszto.hu/ckfinder/userfiles/files/zimin.pdfIn PDF document text
- https://www.institutvzdelavani.cz/files/15123552436.pdfIn PDF document text
- https://rsun.pro/admin/ckfinder/userfiles/files/65719131838.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/80675036279.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613da4774121a---2791691231.pdfIn PDF document text
- https://bongkartuantakur.com/contents/files/32659640570.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/pizula.pdfIn PDF document text
- https://anhhuynoithat.com/asset/files/37131153976.pdfIn PDF document text
- https://noventa.cz/media/files/file/puvizod.pdfIn PDF document text
- http://vpecargo.com/userfiles/file/52397850990.pdfIn PDF document text
- http://linker-apps.com/files/wexigojuposevidog.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/vawarutozaki.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/redebubowep.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/waloseda.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/kefalurebibagowikupuxam.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/tugojidufamuzid.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/0f2e29d2074fc883d76079d43e9c7515/vupafewiwi.pdfIn PDF document text
- http://camdohungdung.com/upload/files/xutaxo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=android+usb+otg+settingsPDF 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_off0000da7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f293.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF293 | 10436 bytes |
SHA-256: 425cf618e9bb6906830b0dec6893ca4ec4a08319aacf060491a24021d1390b66 |
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font_02_sfnt_off00010a2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A2D | 17540 bytes |
SHA-256: 75b4e18f40cf7863c59f4c1e8bb8d14d808171520d601d9fa4bdedf87cd348b1 |
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