MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malicious content or phish users. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a focus on directing users to external, potentially harmful, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://abwcolley.com/uploads/files/tixajan.pdf In PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/e88ced84264ee9ee69bcbdb6ecb0eff2/42383091779.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-6/20210906071220242008.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/zesekatomo.pdfIn PDF document text
- https://kalimati.in/userfiles/file/84094137628.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/8b3h551pe5vro7bphdi8a8mtav/58759464338.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132954d2c716---50574163791.pdfIn PDF document text
- https://himalmanpower.com/ckfinder/userfiles/files/rilajalenujivovepiganudi.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/25068047130.pdfIn PDF document text
- http://kasaitogo.com/uploads/files/kupaxosoxoxew.pdfIn PDF document text
- http://hotel-gerard-dalsace.com/upload/document/zufizezisugoj.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394ed79af4f---vafuzabujaxewonudetabi.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161375b55aece3---61322754048.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/32145852057.pdfIn PDF document text
- http://studiomuraca.eu/userfiles/files/joruzosetidalafuru.pdfIn PDF document text
- https://oglethorpeclub.org/~oglethor/UserFiles/file/22268707744.pdfIn PDF document text
- http://systempro.kr/userData/board/file/86708068345.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/madefegaxerevino.pdfIn PDF document text
- http://tao-oita.com/admin/upload_filesfile/19487891369.pdfIn PDF document text
- http://intertermo.nl/userfiles/file/97538990148.pdfIn PDF document text
- http://jolanyee.com/upload/files/202109051112081702.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/fb0b9df9c43cc37842949a27f310a9e7/65912095926.pdfIn PDF document text
- https://horgaszvelem.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/68813757519.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=vividplays+horror+games+ice+creamPDF 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_off0000d83d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83D | 17764 bytes |
SHA-256: 234269aeb53779068afe617daf791695a522c7d8581284cc72d267fdea5fe080 |
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font_01_sfnt_off00010689.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10689 | 10908 bytes |
SHA-256: 5ac6f382e347f30e2ba1e9598e9aee302900e0364905fd4c9e82d8be1cd8720f |
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font_02_sfnt_off00011f9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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