MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites, likely to facilitate the download of a second-stage payload. The presence of a 'download button' lure further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://medvor.ru/uplcv?utm_term=selina+icse+solutions+for+class+9+history PDF link annotation
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/ff64801f99683d36f60e5261a1b345ec/33338297567.pdfIn PDF document text
- https://ncvpte.in/userfiles/file/4833501134.pdfIn PDF document text
- http://aid-calais.com/userfiles/file/29932360348.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607242e0909de---pugibowajofinom.pdfIn PDF document text
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/junuwerotatukifuloxalem.pdfIn PDF document text
- http://winfielddeli.com/ckfinder/userfiles/files/79631539057.pdfIn PDF document text
- http://passaicvalleyclassof1957.com/clients/44362/File/rilirinovamexuwubutir.pdfIn PDF document text
- http://happyhanool.com/ckupload/files/86639707608.pdfIn PDF document text
- http://donghobaoan.com/uploads/files/7580677793.pdfIn PDF document text
- http://atek-ent.com/upload/file/3521585546.pdfIn PDF document text
- http://nsfeed.com/_UploadFile/Images/file/segogomoxojojeforela.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983db58da10---54670186259.pdfIn PDF document text
- http://suachuaspa.com/upload/images-content/files/zanuxizaruzudara.pdfIn PDF document text
- http://serdceprirody.ru/userfiles/file/duladodobofuvanev.pdfIn PDF document text
- http://sirinthepgroup.com/userfiles/file/gotar.pdfIn PDF document text
- https://tecnicadovolante.com/images/file/56958011405.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/50658462367.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/lfv4fld1b37ibkue6ddcke80n6/17181701414.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607192995431c---32028489684.pdfIn PDF document text
- https://gionggiacam.com/ckfinder/userfiles/files/xoduraxusa.pdfIn PDF document text
- http://irths.com/upload_files/files/tinefenoropu.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/sefanibezusoda.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/9aa3c305c652cb5c4b2650e1647930ab/59886613919.pdfIn PDF document text
- https://gadd-asso.org/userfiles/file/61320388810.pdfIn PDF document text
- http://rayzerfamilyreunion.com/clients/0/08/08e2d5bcffca37c2e1a82d364f4296c6/File/13808772689.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_off0000e6f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF0B | 17396 bytes |
SHA-256: 70fb1c75d1ab9914582f630f6eb89033e1482b8955c3b4544248ac8492da3f69 |
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font_02_sfnt_off00012c18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C18 | 10892 bytes |
SHA-256: c7781c9e6e9b0a7d99d89d2803e334314b75fc1223ac5c0a1da6458b5dc2a0cc |
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