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 disposable domains or compromised CMS uploads, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://wordtmann.beckbauer.eu/ckfinder/userfiles/files/zaxipasopipim.pdf In PDF document text
- http://novichiha.ru/pic/file/75534893522.pdfIn PDF document text
- http://euro-ex.com/images/blog/file/68432515446.pdfIn PDF document text
- http://a-xian-coat.com/uploads/files/202109211330521753.pdfIn PDF document text
- https://coevent.ru/upload/files/gotibuwupap.pdfIn PDF document text
- http://tokyo-sanritsu.com/userfiles/file/61786040531.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/winifulixovexotuj.pdfIn PDF document text
- http://sntaviator.ru/ckfinder/userfiles/files/devotoparipab.pdfIn PDF document text
- http://taihegas.com/filespath/files/20210911033654.pdfIn PDF document text
- http://aristosaigonhotel.com/uploads/files/sogejikubosazisojesowi.pdfIn PDF document text
- http://dxqzx.com/ckfinder/userfiles/files/20210926_132237.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614726826b2df---dojizew.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e934174486---levid.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109140209447961.pdfIn PDF document text
- https://svltv.in/userfiles/files/36850322152.pdfIn PDF document text
- http://hydrem.ru/images/file/16926229024.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144cb18d6cf6---70337138219.pdfIn PDF document text
- http://jenan.com/ckfinder/userfiles/files/24407084724.pdfIn PDF document text
- https://media-get.com/userfiles/files/zifimiluzeka.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/5be057fd0009ce73bdc3bf5e48a87e35/35275074350.pdfIn PDF document text
- https://chataigne-cevennes.fr/imgs/files/ganitadubo.pdfIn PDF document text
- http://bptramptour.pl/files/file/baberawirerutajepedubat.pdfIn PDF document text
- http://viorina-deko.com/images/file/zonoreluw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=hotel+hideaway+unlimited+moneyPDF 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_off0000b00d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB00D | 16468 bytes |
SHA-256: 04b20a74e66bcc99032348ba8b9fabbececf7fd9c51ef0bfd6dcd182aa6e3479 |
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font_01_sfnt_off0000d9af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AF | 10536 bytes |
SHA-256: fc4ee924b73ab33d9600d502b3c3c277586f61e3f00de96472a75adc4e8516f8 |
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font_02_sfnt_off0000f17c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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