MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm designed to manipulate search engine results or direct users to malicious content. The presence of these links and the overall structure suggest a phishing or SEO poisoning attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://inwebjor.ru/uplcv?utm_term=how+to+root+oneplus+one PDF link annotation
- http://byecook.com/ckupload/files/70853150168.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/sefexigu.pdfIn PDF document text
- http://akvari-um.ru/userfiles/file/83814742334.pdfIn PDF document text
- http://blgjad.com/upload/files/82084250541.pdfIn PDF document text
- https://interference.ajoda.eu/userfiles/files/fubarapijunupuritatanaz.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/jumikaxerufavokatebo.pdfIn PDF document text
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/karaluramafutebejinot.pdfIn PDF document text
- http://bnblspecialities.com/userfiles/files/marubamuvazubuki.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/nelutudidoworomisorav.pdfIn PDF document text
- http://guoyangmoju.com/userfiles/files/24016695953.pdfIn PDF document text
- http://studiocommercialedelpiano.it/userfiles/files/diputedidabururedupejujum.pdfIn PDF document text
- http://bortran.com/upload/image/file/20210905015823.pdfIn PDF document text
- http://diennuocdanang.com/uploads/image/files/55660122024.pdfIn PDF document text
- http://gemcom.org/userfiles/file/niguxaxinoworafemimu.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323eea66cbf---47858092994.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hjlsv9j3q6jraiufafs04e7pd1/wovawozitipatosa.pdfIn PDF document text
- http://hfengly.dk/skoleportalen/userfiles/file/90100928855.pdfIn PDF document text
- http://giayviettri.com/img-ftec/files/selofidosewuvunurev.pdfIn PDF document text
- http://tech-in.info/bramy/userfiles/file/47091649149.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/d870fed9f1f34cfd9e22bde9f9fe22b7/26516663501.pdfIn PDF document text
- http://tokyoto.pl/UserFiles/file/30782684362.pdfIn PDF document text
- https://sabresources.com/FCKuploads/file/nemodaj.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/0c7a33155813980e0263ed7d3676fa48/89454593753.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210920005616.pdfIn PDF document text
- https://cortemadera.com/wysiwygfiles/file/rebonifupivasubabudujaxek.pdfIn PDF document text
- http://giprozdraw.ru/ckfinder/userfiles/files/rigafoxudeduzuzigive.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/wisakujatanixajekikuralug.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_off0000e326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE326 | 17516 bytes |
SHA-256: e9c0deb8d40f514718baa2388042032ceb3bd7755e265dd2b118bf293d25a4aa |
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font_01_sfnt_off000110dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000128f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128F3 | 10168 bytes |
SHA-256: c711c7ae85720e7ba95da402003f0f270f0e13cf8be8198b5a2b370a037855d4 |
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