MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which are hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://inwebjor.ru/uplcv?utm_term=how+to+unblock+a+puk+blocked+sim+card PDF link annotation
- http://inarchengineering.it/userfiles/files/65909746789.pdfIn PDF document text
- https://anaksemut.com/contents/files/noxine.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/rogotuxife.pdfIn PDF document text
- http://musicandyouapp.com/webupload/editorimg/files/75713623207.pdfIn PDF document text
- https://charming-dc.com/uploads/files/202110081158176636.pdfIn PDF document text
- http://bloodfaces.de/attachment/file/6054343774.pdfIn PDF document text
- http://diysmart.net/userfiles/file/texafexumu.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/mafugadafosufovedudunud.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/161399c843af68---28845853180.pdfIn PDF document text
- https://vegan-eshop.cz/data/file/87555181935.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/29743721991.pdfIn PDF document text
- https://balajitutorial.com/admin/userfiles/file/wobapinimawidabovulewozug.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/74d847d04c23462a2162c574bc9fd1a4/zilofimobexekov.pdfIn PDF document text
- http://solo-reisen.com/media/images/file/10876136546.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161568c71b238b---49305035090.pdfIn PDF document text
- http://studiotecnicoforace.eu/userfiles/files/tukegosatop.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/piwawavap.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1614843006b758---17568531721.pdfIn PDF document text
- http://phongkhamthienhoa.org/images/files/5195838733.pdfIn PDF document text
- http://xn--2osv9pt2jfpt.com/uploadfiles/files/wapixiveranelid.pdfIn PDF document text
- http://inspiredindianfoundation.org/uploads/zifidaxomamoduj.pdfIn PDF document text
- http://lanaecoloridabruzzo.it/userfiles/file/sanuvikodubezaj.pdfIn PDF document text
- https://ristovski.mk/public_html/upload/userfiles/file/82248078593.pdfIn PDF document text
- 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_off0000f7db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010ff2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FF2 | 11084 bytes |
SHA-256: a34e4db93c9dc0fd968d2c6a9dac52a949147580a151cf46669986ee1a5a21a8 |
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font_02_sfnt_off00012984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12984 | 19408 bytes |
SHA-256: 34e4449ba5cf5a0d47a4610e4987584d6ed7d038f7ed32bd296c71a1bcebd91f |
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