MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a large number of links on various hosts, suggesting a campaign to distribute malicious content or phish for information. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 http://praxis-greve-polley.de/web/editor/files/sodoju.pdf In PDF document text
- https://gestionarival.com/userfiles/file/sutozijuzavi.pdfIn PDF document text
- https://imad0c0.com/js/ckfinder/userfiles/files/galugidejajebuwexenat.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/wenegoga.pdfIn PDF document text
- http://dooroc.com/tk/upload/file/93248505277.pdfIn PDF document text
- http://infinity-pro.ru/userfiles/file/2878850910.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/161419349a25e2---worafupubaronezo.pdfIn PDF document text
- https://mimpidia.com/contents/files/lonaxivimarajogi.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1614305f225467---143336725.pdfIn PDF document text
- https://protrialse.eu/files/files/pofazolixalomin.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/971342534bb7227ee490efd206b6f708/pipebepeva.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/jadunivewokoxu.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/d42rv6skrfeddn8g6ks790hoks/ferarapuge.pdfIn PDF document text
- http://rioairporttransfer.com/ckfinder/userfiles/files/8842688981.pdfIn PDF document text
- https://larustt.com/upload/ckfinder/files/58644534669.pdfIn PDF document text
- https://pnvvr.ro/userfiles/file/wapogoze.pdfIn PDF document text
- http://altronic.pl/!mag2011/userfiles/file/vazuvipe.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.com/upload/files/16566225032.pdfIn PDF document text
- https://molecult.metallo-tests.ch/sites/web/upload/files/8902212405.pdfIn PDF document text
- https://securitydm.net/slicice/file/20743095376.pdfIn PDF document text
- http://aleshashop.net/uploaded_files/userfiles/files/13398660191.pdfIn PDF document text
- http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/mojosaxusoxun.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613614d264ac7---rufek.pdfIn PDF document text
- http://huabulaw.com/uploadpic/2021-9/file/2021090811574973499.pdfIn PDF document text
- http://mmbc.cz/_data/user_files/file/gobikapovosazekitozalunaz.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/79388643423.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=sort+icons+androidPDF link annotation
- 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_off0000ec6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10481 | 10260 bytes |
SHA-256: d3c56352c9aab74b2e17664292c94937fea61aca3ff04cbb16d7f619576ed6a6 |
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font_02_sfnt_off00011ba1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA1 | 18868 bytes |
SHA-256: e2db219da983e2937fd8235c02eb14e3e811769f456ff795b1198794e476d53a |
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