MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The embedded URLs, such as http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134817816bbe---pagopuriveduxigotaju.pdf, are likely intended to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.miyadenthai.com/image/upload/File/sepiporikew.pdf In PDF document text
- http://onsijsselstein.nl/userfiles/files/mapudipiguxeviz.pdfIn PDF document text
- http://isisthailand.org/file_media/file_image/file/46638999988.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/file/59456984193.pdfIn PDF document text
- http://ecohort.com/userfiles/files/narovavikexowugasiboz.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613272c56ebfa---kitopulavowalanof.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/xumoritepebadinopetor.pdfIn PDF document text
- https://curtain.jinware.com/upload/files/59758126963.pdfIn PDF document text
- http://marinda.ru/pics/images/file/95547591691.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/files/85749598145.pdfIn PDF document text
- https://weekendtripskolkata.com/userfiles/file/limakoguzuko.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134817816bbe---pagopuriveduxigotaju.pdfIn PDF document text
- https://ratoempat.com/contents/files/jatupefud.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/jobazemiv.pdfIn PDF document text
- https://ewt.cz/res/file/losotexuxalowukexazita.pdfIn PDF document text
- http://atol-res.pl/uploads/file/wenujixipiju.pdfIn PDF document text
- http://bacsiha.com/public/ckfinder/userfiles/files/74661801711.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/27198bc626d5274efb59299c5a69d17d/77869111287.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/7819759421.pdfIn PDF document text
- http://southerncross-ex.com/images/blog/file/buboziwup.pdfIn PDF document text
- http://stellarp.com/userfiles/files/nibemavamisigisewarudeju.pdfIn PDF document text
- http://pfmconsulting.org/survey/userfiles/files/xegaramopibumopedalu.pdfIn PDF document text
- http://dalnoboy.net/data/filestorage/upload/files/vidavifurutazow.pdfIn PDF document text
- http://att-na.com/upload/banopafu.pdfIn PDF document text
- https://intersensor.ro/v2011/Files/fck_upload/file/30530655363.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=plants+vs+zombies+2+mod+apk+all+plantsPDF 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_off0000e283.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE283 | 19736 bytes |
SHA-256: 68892827c14e56143040b7ea2fc4ba4036f012928dd166354b0686630d136c2d |
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font_01_sfnt_off00011588.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11588 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D9F | 10932 bytes |
SHA-256: 4d25290517843710e731880fd00702fd238cc346cf34b233d4008386f8839028 |
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