MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users to potentially harmful content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://ottuk-e.org/userData/board/file/81101361159.pdf In PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa81aeb1a7---85605433677.pdfIn PDF document text
- http://occahomesearch.com/userfiles/files/vikotufup.pdfIn PDF document text
- https://slezanie.eu/userfiles/file/zugixapurovadida.pdfIn PDF document text
- http://tsg-edinstvo.ru/userfiles/file/mezejenimowupoxulajapew.pdfIn PDF document text
- http://pressvaluation.net/FCKeditor/editor/filemanager/connectors/userfiles/file/98383226339.pdfIn PDF document text
- http://fmafirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vemifukaba.pdfIn PDF document text
- http://zetrade.cz/userfiles/file/rasamopodizevebinuvovas.pdfIn PDF document text
- https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/87067920499.pdfIn PDF document text
- https://gmnavarra.es/ckeditor/files/forurajamukixakis.pdfIn PDF document text
- http://ave-france.com/pics/files/29216691135.pdfIn PDF document text
- http://vce34.ru/attachments/file/33063159145.pdfIn PDF document text
- http://hftyby.com/upload_fck/file/2021-9-7/20210907015431222008.pdfIn PDF document text
- http://wasserentkalkung.at/ckfinder/userfiles/files/dosapopurotexurafuvomit.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/96786384234.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/3b13656ad2aaece76ca728925462fc75/wibudumoxizapepazapuwogu.pdfIn PDF document text
- http://abw10thstreetne.com/uploads/files/xizonifolik.pdfIn PDF document text
- https://protectname.xyz/whoisprivacy/userfiles/files/62654123392.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16142c54e6142d---bakoxiw.pdfIn PDF document text
- http://hexindechem.com/upload/files/10825421919.pdfIn PDF document text
- https://alicantea.centralcms.cloud/galeria/files/1241159749.pdfIn PDF document text
- https://strongpointmarketing.net/userfiles/file/66031268993.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=resident+evil+6+android+apkPDF 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_off0000cecd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCECD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e6df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DF | 20492 bytes |
SHA-256: 27daa0681a8922acaef58874850ffb6e393a7273a42bf53f65d3dade1c254ef2 |
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font_02_sfnt_off00011c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C21 | 10756 bytes |
SHA-256: bc294240151943db1e6c19b6b630f1ab2a503365a75ed93cac46da6a23d3ba94 |
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