MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of multiple PDF-related heuristics further supports the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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 https://krisoc.ru/uplcv?utm_term=the+magicians+season+1+123movies PDF link annotation
- https://mimpidia2.com/contents/files/98736844368.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e998487a9---18367183879.pdfIn PDF document text
- https://bselink.com/userfiles/file/96484794620.pdfIn PDF document text
- http://wedooverseas.com/userfiles/file/79327323415.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/78671785524.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/tuwana.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/17632809412.pdfIn PDF document text
- https://motecx.com/images/file/vepikodudukavobudunu.pdfIn PDF document text
- http://king-tableware.com/uploads/files/202109120602479138.pdfIn PDF document text
- http://terezszilvia.com/images/uploaded/file/19212214917.pdfIn PDF document text
- https://konzolstudio.ro/uploaded_files/file/dawotolepurida.pdfIn PDF document text
- https://uleshuzatabc.hu/files/file/mejog.pdfIn PDF document text
- http://rovitek.com/userfiles/file/gamogo.pdfIn PDF document text
- http://personnelstrategies.net/userfiles/file/nufebavomerom.pdfIn PDF document text
- http://eternoohydro.com/d/files/67417681814.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/58794829533.pdfIn PDF document text
- http://gabident.pl/local/userfiles/file/28976756514.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/87238287369.pdfIn PDF document text
- http://sin-hua.org/userfiles/nezerugike.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/sefira.pdfIn PDF document text
- http://giasuthienphuc.com/Images_upload/files/72003967526.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/77129c5d891ea334ecb8a8d35e626fac/melajalanetaboromaguwi.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/52253575714.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133dedf19744---wevuwexawidumujapexow.pdfIn PDF document text
- http://ventilatoryzlin.cz/images/file/tamusiragatiturumesoregal.pdfIn PDF document text
- http://marcth.pl/media/fck/file/58458272349.pdfIn PDF document text
- 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_off0000ba18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA18 | 10804 bytes |
SHA-256: 36d4a272887718026fdf3e1d4d872fcf22337a06376415a117bb4da09d9574e6 |
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font_01_sfnt_off0000d2f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB08 | 16892 bytes |
SHA-256: b8f1593fb95c42d967e9f9b6944e7b1ba0e98752f84d33e6d9af42369a433e98 |
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