MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document contains a link farm hosted on compromised WordPress upload storage, suggesting a phishing or malware distribution attempt. The embedded URLs point to various domains, many of which appear to be compromised or disposable hosting, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/161105ef4791bb---tijipemagatotobimererur.pdf In PDF document text
- https://ltssinternational.com/res/wysiwyg/file/44564464902.pdfIn PDF document text
- http://ccsctda.com/ckfinder/userfiles/files/20210821_111511.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b755efe0cb8---77702243378.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/3c87f9b7a572d4bb924d84f355fcd9a3/kobusuwig.pdfIn PDF document text
- http://urparitet.ru/admin/ckfinder/userfiles/files/dibokovutenolinokikow.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa4f5df396---jebux.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/46333921277.pdfIn PDF document text
- http://www.sun-green.eu/ckfinder/userfiles/files/xosazubemonadefajesero.pdfIn PDF document text
- http://billcolletterealtor.com/clients/e/ef/efe7172bdc9c6addedf700543cb5cb37/File/pomalilokeremukeze.pdfIn PDF document text
- http://runo34.ru/attachments/file/zipamujuv.pdfIn PDF document text
- http://www.protectakoteasia.com/ckfinder/userfiles/files/26451852198.pdfIn PDF document text
- https://thegioidongphuc.net/ckfinder/userfiles/files/62195333538.pdfIn PDF document text
- http://sarlampa.ru/upload_picture/93172305289.pdfIn PDF document text
- http://safeabortionnepal.com/userfiles/file/ganavozogamiduzeb.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/1e521b1bf0056a2d9752432a1805dfd7/17376763717.pdfIn PDF document text
- https://alihuata.com/userfiles/file/xifiju.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=chat+role+playerPDF 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_off0000d2cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eae6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE6 | 10132 bytes |
SHA-256: c789774d2ecbb215be7767a82bf85afcf498052f881eef8c5bd02a6fb21474fa |
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font_02_sfnt_off000101b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B9 | 17076 bytes |
SHA-256: 9840421e2e09960e3329ae69d51febe762df15f82dfae16bd4c14bb0d6dca6e8 |
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