MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure itself appears to be a link farm, designed to redirect users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://kraemer-duennebacke.de/files/file/donetunaxoladagabilotov.pdf In PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/kinax.pdfIn PDF document text
- http://learningkey.org/userfiles/34301791485.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134302441eed---fewolilegavinuwuz.pdfIn PDF document text
- http://pepinieres-soupe.com/userfiles/file/24721824596.pdfIn PDF document text
- http://kerekagy.hu/UserFiles/file/piravodoviketetakomuve.pdfIn PDF document text
- https://thefertilizerequipment.com/d/files/99637081702.pdfIn PDF document text
- https://cplastik.com/data/cms/file/94464542016.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141bb2acc6da---mupafulisu.pdfIn PDF document text
- http://getsolarny.com/userfiles/file/sanomibugetibijetavu.pdfIn PDF document text
- http://jeanchapleau.com/userfiles/file/87204508374.pdfIn PDF document text
- http://thuonghieutoancau.vn/uploads/files/jowit.pdfIn PDF document text
- https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/22512860847.pdfIn PDF document text
- https://redac.ch/upload/gopapikumudebisuses.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/weris.pdfIn PDF document text
- http://origo.ws/userfiles/file/bavazolakemowufofifizewo.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/77868683942.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614193727f8d3---63912344469.pdfIn PDF document text
- http://timebymtm.com/upload/files/vosukidekus.pdfIn PDF document text
- http://vinhthuan.vn/upload/files/wifajajizabugizuzarolonon.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021090516013781.pdfIn PDF document text
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/ad8f8fff2d6282f76ec8a1da4dbfd5f6/rifabuwozofebuxogemaf.pdfIn PDF document text
- http://narnivet.com/userfiles/files/pinulevelugof.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=open+root+explorerPDF 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_off0000dfcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFCD | 17516 bytes |
SHA-256: 5253ba28ef1a9bbc971711ace8e6208f08d784b13ef84cb37a3cc98ce128bf79 |
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font_01_sfnt_off00010d79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001258f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1258F | 9948 bytes |
SHA-256: 5a514d3043b0681920c065966a32e13c296952e82a4e04eb2266c0b806848aeb |
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