MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs hosted on potentially compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable, but the presence of multiple external URIs and a link farm heuristic points to the attack pattern.
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://taaltoetsvo.nl/userfiles/file/8322129448.pdf In PDF document text
- https://samsungdvmklima.com/upload/ckfinder/files/vununufaz.pdfIn PDF document text
- http://designbeginnings.com/upload/file/41728863314.pdfIn PDF document text
- http://sbs-group.co/userfiles/files/pilagejenunezajuku.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/koperukinuwafado.pdfIn PDF document text
- http://hoya-system.com/uploads/files/202109121256317900.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136739a7fe8d---82556922766.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/25db65c0d73d6568e9aaff663ae30782/foruwuxadilo.pdfIn PDF document text
- http://askort.pl/Upload/file/9061172149.pdfIn PDF document text
- http://flirdining.com/uploads/files/75005772287.pdfIn PDF document text
- http://ibb-online.ru/f/file/31095438098.pdfIn PDF document text
- http://finchamauto.com/pics/paxuzujowuzoxadolabiraxem.pdfIn PDF document text
- https://hssanesteban.cl/files/jutejiximir.pdfIn PDF document text
- http://ldkxzzs.com/images/userfiles/file/56269015253.pdfIn PDF document text
- https://ibexquimica.com.br/ckfinder/userfiles/files/67042064757.pdfIn PDF document text
- https://www.htlexpress.com/ckfinder/userfiles/files/51583139958.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/79391442921.pdfIn PDF document text
- https://pinkrali.com/calisma2/files/uploads/84867550212.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/fg6v45qod8fbvf86ucceqk3rn5/kabitugokajiluso.pdfIn PDF document text
- http://coomargroup.com/ckfinder/userfiles/files/xiziwejuzikujesur.pdfIn PDF document text
- https://rinducm1.com/contents/files/44055225327.pdfIn PDF document text
- http://liveisagenix.com/ckfinder/userfiles/files/20036286684.pdfIn PDF document text
- https://wanna-drive.nl/files/File/wawogewivetusotoxiva.pdfIn PDF document text
- https://latgalesamatnieki.lv/files/file/12155671363.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/pizezaje.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=spam+bot+androidPDF 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_off0000d045.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD045 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e85c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE85C | 10420 bytes |
SHA-256: 8dceaf244d1137d285a0ed427f21683d563b7f6bf8c7365b58bb38cdf61f383d |
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font_02_sfnt_off0000ffaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFAF | 18460 bytes |
SHA-256: 0db9a562a485e3787987947a305717a1407171202f198741ea4711378a0e7070 |
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