MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The document also features a large number of external links, many pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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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://crysiq.ru/uplcv?utm_term=johnson+25+hp+manual+pdf
- http://ventexevent.se/uploads/file/koride.pdf
- https://foodvellythailand.com/upload/files/xoletajobakuri.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/7f69c4fafc8c0652d358e6c6021e1795/1189377231.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609655d144d93---pikesodeduzinog.pdf
- http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/47536967887.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/eb015067937e517f0b8e0a2e16e9ac8b/tuvagudejevemoz.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc41f85592f---pizanipiduzux.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac46491a2cf---67713736587.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7b6f883c0---nesekobanovus.pdf
- http://copingconversations.com/userfiles/file/69823691500.pdf
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/48283477590.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/69e53b16d80a839c0612a28913ae66c9/bixunomeloj.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160942c537edac---98761345735.pdf
- https://atraba-holding.com/userfiles/file/vunegenarolisatalirotagel.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/2dec73d0876a055819f72a22f238cc04/69148955486.pdf
- https://ntc-container.com/upload/files/gakodufasopobejeji.pdf
- http://kag.fr/userfiles/file/37061995138.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/2mkkdne357njjn9dhfhvu64b9p/28830574424.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3a67888f5---17696745993.pdf
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/77895618523.pdf
- https://orrizon.ru/images/file/14259509815.pdf
- https://istanajpdua.com/contents//files/90677544759.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160af90fa9b151---razozuretita.pdf
- 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_off0000c6e0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6E0 | 16792 bytes |
font_01_sfnt_off0000def7.bin468fc112951c516e1a89f8b7572113046aa88f91374f150078d97ab90daf55b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF7 | 10688 bytes |
font_02_sfnt_off0000f754.bin07e77f23ca9a91045622b4f41ef9baff362734bef0440ce9e5c7947e3124570c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF754 | 17144 bytes |
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