MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm with numerous URLs pointing to potentially compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of 'curls.se/upload/file/' in the document text indicates a potential command execution attempt, likely to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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 https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d96a953855---68526899399.pdf In PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/8d90abf0ffb37a2988ea4aa2b77e739e/72021117464.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135ff757f588---61602635755.pdfIn PDF document text
- http://abwrva.com/uploads/files/tojujirupivagavepelos.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210912_BC201806FDB1F5E4.pdfIn PDF document text
- http://servmed.net/userfiles/file/porisilenelixezixiwoxi.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/7bed2d0aebd3df32b07689c5133a886d/riguxoj.pdfIn PDF document text
- http://ms-beauty.com/ckfinder/userfiles/files/zaxiwovapetasutofazo.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/xakapupakarejube.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/a54441627521f87371b0bce9d903e29f/97558937883.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/morigetupoxetitututilu.pdfIn PDF document text
- http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/323fef634a52ba81708ebaf61f526877/kumidaluvamuje.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b54c6a0e12---17753242650.pdfIn PDF document text
- http://avandcie-automation.fr/ckfinder/userfiles/files/87984245483.pdfIn PDF document text
- https://gencshoworganizasyon.com/upload/ckfinder/files/sutinexapozezedefomeb.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/notalerirumagipiso.pdfIn PDF document text
- http://farmaciafici.com/userfiles/files/88892654768.pdfIn PDF document text
- http://hiredriver.com/uploads/assets/files/poxoneva.pdfIn PDF document text
- https://siemreaptraveltours.com/userfiles/file/70227008974.pdfIn PDF document text
- https://produktybhp.pl/pliki_user/File/28910804255.pdfIn PDF document text
- http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/nezizalamubof.pdfIn PDF document text
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/24240926226.pdfIn PDF document text
- http://charmingcurls.se/upload/file/ravisonumopivafowubukega.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd222ccb0e---70983027324.pdfIn PDF document text
- http://rootbeadmill.com/upload_fck/file/2021-9-5/20210905045508540941.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=road+code+book+pdfPDF 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_off0000f6dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6DD | 10284 bytes |
SHA-256: 3896ae4b35802537c4b774dcd7dc4aedcc29b703e406ad43f35bed7c05033e4a |
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font_01_sfnt_off00010de0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE0 | 18672 bytes |
SHA-256: 7dcf0b26f7ad04715e41e7b67f51a3aae130558c38d31126855c3294dccb8ff1 |
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font_02_sfnt_off00013eb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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