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. It contains numerous external links, many of which point to compromised WordPress upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the overall structure indicate an attempt to distribute malicious content or phish for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://freewest.at/gubenix.pdf In PDF document text
- http://kunjipsc.com/uploads/files/29288388448.pdfIn PDF document text
- https://nguyenthelong.net/userfiles/files/juravekeje.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/didalezarawaragulu.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/b6c6bc962d5dce16f461d53093fcfb9a/64634167890.pdfIn PDF document text
- http://quatangsongvan.com/hinhanh_fckeditor/file/60656514293.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/4878320546.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/63592009467.pdfIn PDF document text
- http://benthanhsgfarm.net/images/uploads/files/81947432076.pdfIn PDF document text
- https://yesilkoyluleriz.biz/resimler/files/sowusipilobejulogifu.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/465b20ac61c5fed00543e610f843d719/17156529698.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f98ddb58a1---filuleganemu.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/pipexojegirupe.pdfIn PDF document text
- http://onestep-tokyo.com/userfiles/file/danugiguruminanodazim.pdfIn PDF document text
- http://pttaccounting.com/userfiles/files/28608374043.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a8b166938---gojapuwarapowovakoter.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/pupirakazusonivewi.pdfIn PDF document text
- https://bazab.ru/ckfinder/userfiles/files/pixirezujizij.pdfIn PDF document text
- http://dycelife.com/userfiles/file/22200638661.pdfIn PDF document text
- http://csc0516.com/userfiles/file/20210930155020_njj3u1.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/36962034330.pdfIn PDF document text
- https://betamachinery.sa/other_files/File/dutuxegupowijekowovokoj.pdfIn PDF document text
- http://tries.cz/media/images/upload/file/supovesajijubozilixux.pdfIn PDF document text
- https://hidropomp2008.com/uploads/userfiles/file/75570127879.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/xiziperukon.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+change+progress+dialog+spinner+color+in+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_off0000b2ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cac3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAC3 | 10872 bytes |
SHA-256: 94ce7aabdf18896002e1121e6135c88baa8298690be2d3ac22654382a1215ae0 |
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font_02_sfnt_off0000e3a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A0 | 17772 bytes |
SHA-256: 60a28317f2225a5ddced90718116bad026d72b221f925c63593272ddb05e6962 |
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