MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are indicative of a link farm designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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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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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://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f55920da3cd---supalopodiwob.pdf In PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16093f846a9e9b---17803754874.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/14160218540.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa182748641---pugovagazadore.pdfIn PDF document text
- http://blatt-gruen.ch/files/dovuvo.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210709_162311.pdfIn PDF document text
- http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/55932557742.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/bekamewukerama.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/1acd54e2fb7bad8ed20f7b97237f2a9e/22495482353.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0294f8d450---92306752114.pdfIn PDF document text
- http://vanillasky-ch.com/images/files/lexumevabesesuvonuvos.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/11410413226.pdfIn PDF document text
- https://frontivo.ro/userfiles/file/funifer.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/c255a5a353f77a62526182e852ab5e4f/rimujenuzipejuxoxofibuwal.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b52b8761e3f---53794284679.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e9b070d11---dorejaloriguvutosefax.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/af708e88d6750172b077524921d70cab/42128390704.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/fosiwokura.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/navofapamiwam.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e83072575ed---jebujixebeluta.pdfIn PDF document text
- http://findmecakes.com/userfiles/files/noxatixesivatewobute.pdfIn PDF document text
- http://millecolori.it/images/file/nadonuwomevewefaruwedagi.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a49af970b4---92703235302.pdfIn PDF document text
- http://mvhs1964.com/clients/2/20/2030ff4f331b14c2016b95997514b7ac/File/21289201847.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=bruce+viney+puzzle+box+plansPDF 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_off0000f635.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF635 | 17940 bytes |
SHA-256: 5f02b6d7bab535703905f19e5162853d6bd87751ba32c8462a185f1d9bdbd546 |
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font_01_sfnt_off00012578.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12578 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013d8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D8F | 10904 bytes |
SHA-256: 0a6a3c5a0a76d88109badc418f9a6fac3db1cf8b503a16e4d9a370eca9411451 |
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