MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs pointing to various websites, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a network of links for potentially malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://crysiq.ru/uplcv?utm_term=gaudete+et+exsultate+italiano+pdf PDF link annotation
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/67df363cc851674dafe98266d3f2a1dc/jikozazakosalo.pdfIn PDF document text
- http://sunnysideclassof64.com/clients/a/ac/acc4ccb49d7935ca36198347b895393e/File/25962209709.pdfIn PDF document text
- https://farmaciasacoor.com/site/upload/file/zabopotiwexudukuvifasevi.pdfIn PDF document text
- http://iltorg.ru/upload/file/wiwatosotitububi.pdfIn PDF document text
- https://trungtammatnamviet.vn/upload/files/danifexirugugavomunovikuz.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/dajifixemurujelili.pdfIn PDF document text
- http://tischlerei-schlusche.de/sites/default/files/file/4529641996.pdfIn PDF document text
- http://insightonafrica.in/userfiles/file/xisejo.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/kv2ikk7aur7mm2rk6jr06ms16f/busejolibi.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/98bldv35mjdgo6ngmgsecqcktq/3027871391.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161009c51860f2---91033728963.pdfIn PDF document text
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47339693539.pdfIn PDF document text
- http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/zawibefiposakoderu.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612c640ebc974---17650770248.pdfIn PDF document text
- http://15449010.com/FileData/ckfinder/files/20210811_F950189193382E76.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/fejowevavopabivajofiruguf.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/zilorexugovavomefe.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/26557754482.pdfIn PDF document text
- http://medicamarsala.it/userfiles/files/fufarowapupup.pdfIn PDF document text
- http://yesilderecine.com/admin/editor_resim/file/51251686878.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/61943137281.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/silowi.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d2aeba49cda---disekenidubo.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_off000113dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DD | 10632 bytes |
SHA-256: fddace44aa59f57f1a639d56d53295ff16dbd56dd78c0a2496b7d91765182fa2 |
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font_01_sfnt_off00012c51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C51 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14463 | 18596 bytes |
SHA-256: f69db14e9e1ee174782fa7ccb24e43204cea65c65591eabc1ed778efca7aac36 |
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