MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Several heuristics point to the PDF being a link farm, with many URLs hosted on potentially compromised or disposable domains, suggesting a phishing or malware distribution scheme. The presence of embedded URLs further supports this, directing users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://resonanceacteurs.nl/userfiles/file/55369592282.pdf In PDF document text
- https://intrigantka.ru/images/userfiles/file/popifebiwofo.pdfIn PDF document text
- http://broadgatecapital.com/userfiles/file/61390413237.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5144a70bd---58011614071.pdfIn PDF document text
- https://educhina.mn/editor/files/janilit.pdfIn PDF document text
- https://www.marjojaspers.nl/ckfinder/userfiles/files/37183434827.pdfIn PDF document text
- http://teifsepahan.com/files/file/53092288433.pdfIn PDF document text
- https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/95536245961.pdfIn PDF document text
- http://accronline.com/userfiles/file/figijonezezagugonozekeruw.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/v7ueg0rev2nhotg2jv6toogdve/xudadil.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/e17d5a791397c322ca423cc473f99831/97091848852.pdfIn PDF document text
- https://greenline.bg/userfiles/file/sunapiwubevevafuvasalexef.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/24011147420.pdfIn PDF document text
- http://xetaihyundai.net/upload/files/34304971156.pdfIn PDF document text
- http://topaslt.com/userfiles/file/pupedusuluvotujewopuf.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/vuzukilisedevixunit.pdfIn PDF document text
- http://cutyoursupport.com/userfiles/file/49713479510.pdfIn PDF document text
- https://susta.vn/userfiles/file/mugofejipotamixolukij.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/a1ff4b5299d9a200c6a151c68bde3593/32273921869.pdfIn PDF document text
- http://cke.hk/userfiles/50743051738.pdfIn PDF document text
- http://hurtowniagrafit.pl/userfiles/file/guwoxonipalupejateniji.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/848gup15p746k08phbvqtn3vrh/duxibuxoborizobamir.pdfIn PDF document text
- http://ahkjt.com/upfile/file/29459476436.pdfIn PDF document text
- https://soosekszer.hu/upload/files/54598780586.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/68003091739.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=angina+de+ludwig+fisiopatologia+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_off0000d854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD854 | 17208 bytes |
SHA-256: 9258fc177724cfdc6228dd3216eb7d4e02e10272e71d52fe5319d03e1fa0fa37 |
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font_01_sfnt_off000104dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF3 | 10740 bytes |
SHA-256: 4a3c9f0973f561ca39f2e40ce8f22339bf3083ddaa5c2be3de5eb0c75314c2dc |
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