MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and multiple external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ifa-astrologie.de/userfiles/file/34795417358.pdf In PDF document text
- https://samsungklimamodelleri.com/upload/ckfinder/files/figezumenarigoxe.pdfIn PDF document text
- https://drnanemilk.com/tctt/sites/aaa/file/74449493182.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613918984972e---bisetapufemawupatisopijuf.pdfIn PDF document text
- http://rkenterprisesonline.com/FCKeditor/file/47947239749.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343a6b6a625---juneliwop.pdfIn PDF document text
- http://akwarella.pl/user_uploads/file/zaloguzewomixorevasese.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/65150045190.pdfIn PDF document text
- http://andreuma.madteam.net/ckfinder/userfiles/files/bivokak.pdfIn PDF document text
- http://aluminial.pnh.pt/js/ckfinder/userfiles/files/51819551484.pdfIn PDF document text
- http://zh-huaxun.com/uploadfiles/files/dipaneguzetuvenofadu.pdfIn PDF document text
- http://yulintimber.cn/d/files/19172014652.pdfIn PDF document text
- http://uteambio.com/upload/files/62292440818.pdfIn PDF document text
- https://partnyor.az/userfiles/file/jexigovorajajorosovoloziw.pdfIn PDF document text
- https://curewelldiabetes.com/userfiles/file/1594507226.pdfIn PDF document text
- http://dlevitin.ru/fck_editor_files/files/xirozomitekesikuvolapuxo.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/maligoxe.pdfIn PDF document text
- https://rosewoodcity.org/nbloom/fckuploads/file/denivurirazeperufikupug.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/mexipax.pdfIn PDF document text
- http://monthclean.com/uploads/files/202109060718238988.pdfIn PDF document text
- http://joesservicecenternj.com/userfiles/files/noxonovovemure.pdfIn PDF document text
- https://dianthusindustrial.com/resimler/files/komilesaxabita.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/4473346952.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137526692d3f---47254706675.pdfIn PDF document text
- http://studionegrelli.it/userfiles/files/79877236443.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=new+headway+intermediate+4th+edition+workbook+pdf+free+downloadPDF 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_off0000c1b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1B6 | 11080 bytes |
SHA-256: 4219b0a80bbaba9844f2b06b822fec039a0fe384cb370a064dfc993ec4c7939d |
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font_01_sfnt_off0000db2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB2A | 19292 bytes |
SHA-256: 058e10ca07b0c35d8265de9baa4adab3b5563e95b44e6815e8262601769c65cf |
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font_02_sfnt_off00010cbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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