MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous links pointing to compromised WordPress sites and disposable hosting suggests a link farm designed to redirect users to malicious content. Although no executable scripts were directly extracted, the nature of the links and the ML classifier output strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://textstricker.de/benutzerdateien/1166769370.pdf In PDF document text
- https://nestsearch.in/admin/uploads/file/58138229729.pdfIn PDF document text
- http://geostudio.eu/userfiles/files/jonobimefeguxud.pdfIn PDF document text
- http://esejsc.com/upload/files/getikepakolozejofe.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/m7k6p4oh34gqbvviuoctaa7hi0/29414003706.pdfIn PDF document text
- http://bluelakehomestay.com/uploads/image/files/87019549470.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/29021756222.pdfIn PDF document text
- http://1666-3668.com/attach/userfiles/file/bipawuvozaludaver.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613546724bd0d---wedumepiwotux.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/16132fde3b5b95---dakisolubetar.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/wepozutedum.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/7896376865.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/42148671132.pdfIn PDF document text
- http://tantusmarina.com/UserFiles/file/67088625157.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/vesusepakekapulivu.pdfIn PDF document text
- http://ipsgroupjjn.org/userfiles/file/semokamovesu.pdfIn PDF document text
- https://citronel.com/userfiles/files/11680172892.pdfIn PDF document text
- http://bularz-auto.pl/images/userfiles/file/mekikapefekax.pdfIn PDF document text
- https://maymac.info/userfiles/file/vadovuxukegodume.pdfIn PDF document text
- https://buzascsaba.hu/userFiles/file/nukolukukolamixemizuz.pdfIn PDF document text
- http://nawoo.net/userData/board/file/90974794488.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/g0me0uehlch05r3pla2u9jlj7p/88404335195.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/nuvapi.pdfIn PDF document text
- http://nuovojob.com/userfiles/files/76708971786.pdfIn PDF document text
- http://ohdiabo.net/images/ckeditor/files/nerunojibupinuritagov.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=careers+in+psychology+4th+edition+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_off0000ec4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC4F | 18068 bytes |
SHA-256: 7a6bfdb7ac46fdc496daf47f4aa00cf334c6aaee38fad397a2b01537bcd0e747 |
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font_01_sfnt_off00011b2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13346 | 11124 bytes |
SHA-256: 4dcb546b431f89fe979c8ecae7f864c1e5a231907bbf12363add430eda759e8a |
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