MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external links, many pointing to compromised WordPress uploads and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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 http://due.pt/js/ckfinder/userfiles/files/ritamedovinarelavuvorer.pdf
- http://africa-emergence2019.com/userfiles/file/nikexewotoxijodikebudovi.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/15bf32fe703fe45a2f7e43991e791a7e/voloji.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/q8ngpu0bhsrf0un3t1qaeb9kfk/megigas.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d224fa245b---82420262923.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c64a6a75694---30143729726.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f78cc9cb1---31432285722.pdf
- https://drvishweshwari.in/userfiles/file/52929391926.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/lk66o9n8k650b1hm8oi34luq6k/wuwutelejuwunasar.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/9pbaak3drb16ilivtc32bju9dn/81454774358.pdf
- http://stlukesmn.org/clients/17773/File/lukebaji.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/09611cb6cb8c1d4776d6570a484e764e/kujan.pdf
- http://seednseed.com/admin/fckfiles/file/zifikirab.pdf
- http://ozkayalartrans.com/userfiles/file/samexobimijipiduzevu.pdf
- http://studiobaliva.eu/userfiles/files/44147783574.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/ho7uc4ek7r478ld8ns8ftacavf/tuledomexovesafad.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/d755183dcbdce1a28884483a31bac7c1/59516259377.pdf
- https://hanahana.vn/media/ftp/file/32500048416.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lgog8u34i56o6rb8kcnr9mfei1/65027684079.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/d364ebd5974ba478b8946e6d36c769ca/kifuzej.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946b894dcab---56374675130.pdf
- http://richfield1962.com/clients/4/47/47516dc9824f3897220912ef171c404f/File/zelimafiduraxopo.pdf
- https://akamercedes.com/images/uploads/files/71737551760.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a598761d487---85676765610.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=basic+os+concepts
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010e74.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E74 | 16792 bytes |
font_01_sfnt_off00012686.binb06665f1a5d081921207348bc5ae9420dda493068b31ef080d7ae21bf626999f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12686 | 16828 bytes |
font_02_sfnt_off00015273.bind12b38301e0f52e279564baaea1a6de09126c55b1a87dc480aa8b7052909d757 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15273 | 10276 bytes |
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