MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a tactic to artificially inflate search engine rankings for malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ketchas.ru/uplcv?utm_term=the+power+of+your+subconscious+mind+pdf+in+tamil PDF link annotation
- http://files.ibiza-ferien.de/file/11737504914.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/p5uno6o6n3129j58diqilon1gd/33804816941.pdfIn PDF document text
- https://handientu.vn/userfiles/file/93384554726.pdfIn PDF document text
- http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/vepufifed.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613668fe4c0e9---luresanek.pdfIn PDF document text
- http://safedoorsystems.com/cmsimages/file/29202803130.pdfIn PDF document text
- http://mrspk.com/ckfinder/userfiles/files/54263739822.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/zipexo.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/70556961408.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/5750468f771b9a38c14e193630aa18dc/20500033403.pdfIn PDF document text
- http://onroerendgoedindex.nl/images/uploads/vagazikaduj.pdfIn PDF document text
- http://whatdwellswithin.com/file/tezapamutisazedegafamunog.pdfIn PDF document text
- https://www.grdr.org/paidel/ckfinder/userfiles/files/66524612329.pdfIn PDF document text
- https://officialbacknumber.org/editor_up/gonifotamitodipi.pdfIn PDF document text
- http://adas-muko.pl/photo/file/jinodaka.pdfIn PDF document text
- http://robwalker.net/fckupload/file/luwitezomopugifojatudu.pdfIn PDF document text
- https://vnjhanoi.com/upload/files/73643894023.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/fbb022bf48745f75c7949974a7db23b7/waradojekat.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_off0000b253.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB253 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA65 | 16584 bytes |
SHA-256: c606d9fc6e9aa75ecca63655e66f8a8d7426e0b5bfebb3749d04835f0414320e |
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font_02_sfnt_off0000f4b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B3 | 11288 bytes |
SHA-256: 2b1b2bfbe756b031b69731b06e4001a42fea5d37a0150ad5771c133b8287a0ed |
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