MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised websites or disposable hosting, indicating a link farm designed to direct users to potentially malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The ML classifier also flagged it with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 6
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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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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://motoquadro.de/userfiles/file/bivagalutawonol.pdf In PDF document text
- http://centralcogtc.com/uploads/file/kajozoromipadewunalasi.pdfIn PDF document text
- http://brandiassociati.it/userfiles/file/47756706853.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/28412871615.pdfIn PDF document text
- http://dissanna.com/temp/fckeditor/file/31735219586.pdfIn PDF document text
- http://logicamail.it/draft/media/fefiwupix.pdfIn PDF document text
- http://blossomtour.net/FileData/ckfinder/files/20210906_CE8611BDE3716D6C.pdfIn PDF document text
- http://nathulaldasptti.com/ckeditor/ckfinder/userfiles/files/nezubokolaje.pdfIn PDF document text
- https://vongtaytramhuong.vn/upload/files/40034159968.pdfIn PDF document text
- https://www.champagne-cornevin.fr/ckfinder/userfiles/files/3753115900.pdfIn PDF document text
- https://kitchensofdiablo.com/upload/file/lefawofigivotuvuzeseb.pdfIn PDF document text
- https://atvatextile.com/upload/ckfinder/files/xajulakatasaxusugemoguf.pdfIn PDF document text
- http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///juvadifupapijopuvipoz.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/0no79ln9uco9jsjpip49hg22ej/10150585782.pdfIn PDF document text
- http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/79043374725.pdfIn PDF document text
- https://rimi.sk/userfiles/file/rufebodenoxagevejugiw.pdfIn PDF document text
- http://lrpharmaceutical.com/upload/files/82731935788.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/xirilag.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/rewoxekurotifuwinixuk.pdfIn PDF document text
- http://otworz-biuro-podrozy.pl/userfiles/file/kasunidowezapupukanu.pdfIn PDF document text
- http://zit-tech.com/userfiles/files/bonomolosajakumawoku.pdfIn PDF document text
- http://gu-bo.cn/uploads/files/xemekonuzidig.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/d71e1d6ffcc165d80cfb60a226b127b0/fojubosifekesaninirewo.pdfIn PDF document text
- http://forglass.sk/userfiles/file/26973100261.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f95f9a1951---56596491151.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/12177516138.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=unblocked+games+krunkerPDF 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_off0000b482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB482 | 16388 bytes |
SHA-256: 658b40b02f4a0bbb38dc65879c2e4756908caf7e9f7f2370fe294e3488a2a8a3 |
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font_01_sfnt_off0000df16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f72d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF72D | 10860 bytes |
SHA-256: aacebdbc3a77e4a7590f4114db903539eed37ee9842b95b3bef4d443c052b940 |
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