MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links indicate an attempt to redirect the user to malicious content, likely exploiting a vulnerability or attempting social engineering.
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 http://centrons.com/uploaded/file/72115002361318c2a2306b.pdf In PDF document text
- https://delta-relay.be/userfiles/file/venefotijoji.pdfIn PDF document text
- https://conexkarvan.com/cache/fck_files/file/32034510273.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/xujalogelagawowuworiv.pdfIn PDF document text
- http://hodori247.com/uploads/files/6633454878.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0ae1200ea---wutamanakolivefati.pdfIn PDF document text
- http://nyt.jp/p_images/resource_library/file/roxetulosawogimigitanuf.pdfIn PDF document text
- http://studiogiovannone.com/userfiles/files/46108413795.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/p3p2mbsg1af9aj4ef2jilgljl6/37647094096.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/93564046837.pdfIn PDF document text
- https://unitytradefze.com/ckfinder/userfiles/files/90559992645.pdfIn PDF document text
- https://isigakizima.net/img/tmp/file/remoreri.pdfIn PDF document text
- http://www.tivafa.hu/upload/file/85562327215.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131480b98b8b---77514794367.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/99961384561.pdfIn PDF document text
- https://pmms-online.com/assets/file/59359167131.pdfIn PDF document text
- http://kmjmt.com/news/upload/file/21092706033703425946nbg5.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021100119460066.pdfIn PDF document text
- https://citronel.com/userfiles/files/kililuronovola.pdfIn PDF document text
- http://citysoupsbellevue.com/uploads/files/vojonisuke.pdfIn PDF document text
- https://ekoelprom.pl/public/images/editor/file/61070894660.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/29913245658.pdfIn PDF document text
- https://lixtech.com.tw/ckfinder/ckfiles/files/78373825229.pdfIn PDF document text
- http://sungwoneng.com/upfile_editor/2021/files/jazavenolibipavi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=7+day+startupPDF 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_off0000e678.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE678 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8A | 19140 bytes |
SHA-256: a0481f19239e2784ebb9aa7cc79a9776d6d7e13ce1df7c37112880110536779b |
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font_02_sfnt_off0001300d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1300D | 10056 bytes |
SHA-256: d7fdefb431381f34ed0875b17e02e84d04bf499ff5c887dbdfc9fb10aabf9442 |
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