MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
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://inwebjor.ru/uplcv?utm_term=amazon+prime+app+for+android+phone PDF link annotation
- http://erimti.com/userfiles/file/88615390710.pdfIn PDF document text
- https://moveo-sport.pl/userfiles/file/53655909484.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7584dd429---zibubunuriditizomivamer.pdfIn PDF document text
- https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/xitofupuzikebavuved.pdfIn PDF document text
- http://aptekainternetowa.net/_mdm_apteki/file/54318854035.pdfIn PDF document text
- http://wohingltd.com/userfiles/xaxuvuxanizeforozinoralew.pdfIn PDF document text
- https://steammining.com/userfiles/file/54690161948.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/58580055694.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16130fa68e1c2d---varowalupudijeben.pdfIn PDF document text
- http://bellamy.tw/uploads/files/202109061753376140.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/lufebafe.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/wedowozejebef.pdfIn PDF document text
- https://lostfoundglobal.com/userfiles/file/miganejozavemotimagutut.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/28225999728.pdfIn PDF document text
- https://sunkamalzemecilik.com/userfiles/file/fiwexupewaruren.pdfIn PDF document text
- https://betsin.org/userfiles/files/jamapefufareruto.pdfIn PDF document text
- https://movingalpsfoundation.ch/userfiles/file/sumigurivizebataxivofin.pdfIn PDF document text
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/9807898319.pdfIn PDF document text
- http://tion.hu/upload/file/53234200447.pdfIn PDF document text
- http://poetische-malerei.de/web/editor/files/vabisopexipaforadonaxa.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/menerogapazapip.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135f8c274762---widajitilo.pdfIn PDF document text
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/wavabiwevumufarepuletox.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_off0000d93a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93A | 18000 bytes |
SHA-256: fa02b052c021ce8d9932f47a8e15caabd26d81d77ef9699f935c7da64880c9b6 |
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font_01_sfnt_off000107a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107A7 | 10492 bytes |
SHA-256: 62654264025e90f0db7c7250458ab1f604d31c8edf6ec71863a7debe6222de44 |
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font_02_sfnt_off00011f44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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