MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs that point to various domains, many of which appear to be disposable or compromised. Heuristics indicate this is a link farm, likely intended to lure users to malicious websites for phishing or malware downloads. The ML classifier and ClamAV detection strongly suggest malicious intent.
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 https://irlanc.ru/uplcv?utm_term=imposta+browser+predefinito+android PDF link annotation
- http://palestraarkadia.it/userfiles/files/vuterigeginededunevi.pdfIn PDF document text
- https://www.allduniv.ac.in/ckfinder/userfiles/files/jitavizikejupikizopifi.pdfIn PDF document text
- https://gabconstruction.com/ckfinder/userfiles/files/79859498193.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/4f9f6e44d580aa59a3cd872c14758e3d/nojonikosinibanavawul.pdfIn PDF document text
- http://cw-cut.com/uploads/file/23809427380.pdfIn PDF document text
- http://patanamachine.com/imgUpload/files/46397960616.pdfIn PDF document text
- http://zjqzzx.com/uploadfile/file/2021090714584173499.pdfIn PDF document text
- http://web5gstore.com/Files/files/dapifeket.pdfIn PDF document text
- http://cobe-ing.it/userfiles/files/tenoxadesoxuxosirerifoz.pdfIn PDF document text
- http://hotel-ambassador-nice.com/upload/files/razuwenameliz.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/buxuwo.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/15096503632.pdfIn PDF document text
- https://wolfgang-photography.com/userfiles/files/80702569940.pdfIn PDF document text
- http://namjapizza.com/app/webroot/files/nejodemopi.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/67970651292.pdfIn PDF document text
- https://blogsma.com/files/menevo.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/89a336fc0e51c8da21440e8368916cff/gelenigurefunevusipin.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/daxebigibide.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/demutafojosovi.pdfIn PDF document text
- https://cristalensi.com/public/File/89913728468.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130221eef90f---gofevapuzo.pdfIn PDF document text
- http://ecogestval.com/userfiles/file/razexijevogiru.pdfIn PDF document text
- http://healingtown.org/userData/board/file/lumoxekakudokix.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_off0000df00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF00 | 17416 bytes |
SHA-256: e2d73323a6284de712b00fea229406468a37e22aebe917128d21c78eb5d1704e |
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font_01_sfnt_off00010bd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD3 | 10788 bytes |
SHA-256: 48f8b347de6976283635b2b4d34fda9362996c49a5a78ac466c9ab77349a8329 |
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font_02_sfnt_off00012482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12482 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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