MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to websites that appear to be compromised WordPress installations, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV also flagged this file as malicious, specifically as a phishing or trojan PDF. The primary purpose seems to be directing users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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 https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/c2f886fb4cec263620e350504f4f0fbc/tosifolovojut.pdf In PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16124a3a59dd3f---remevawed.pdfIn PDF document text
- http://mjacz.cz/soubory/files/zosinugadoxaku.pdfIn PDF document text
- http://isystem.hu/ckfinder/userfiles/files/koxames.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/fbf3e182d8344254687023d1938112bd/33046478579.pdfIn PDF document text
- http://shangrilayunnan.com/ckfinder/userfiles/files/tukezi.pdfIn PDF document text
- https://alshaabcoop.com/userfiles/file/34338924090.pdfIn PDF document text
- https://artbynela.com/uploads/file/lesanikuzi.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160853fed6818b---6962239136.pdfIn PDF document text
- http://smeeing.com/userfiles/files/vuxinatesaveko.pdfIn PDF document text
- https://bamfieldrental.com/userfiles/file/88620304130.pdfIn PDF document text
- http://artospace.com/pics/file/poferapudemanesenetovevu.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2c1e015d3---86894850010.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/16054719276.pdfIn PDF document text
- http://kavernoklub.com/campannas/file/34779531081.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/83797915451.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/jawodojekidisapojus.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/05988380e33577eb5b13368b1e712e36/62404726839.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a76c7399912---welisifuparalasize.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16102f3c9b0d86---likuzenunonokigotabumiza.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d937f889c27---magotewusojonugegereg.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/9318496882.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607efd4139d98---muxujidijivewava.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/15202362748.pdfIn PDF document text
- https://airbays.com/userfiles/file/41392368560.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=reading+strategies+pdf+middle+schoolPDF 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_off00010258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10258 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011a6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6F | 11112 bytes |
SHA-256: 53af84e8d96fa5d146a48d7893d7b13d7083ed8ebf77f20591dfcfe82154b759 |
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font_02_sfnt_off000133ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133ED | 17392 bytes |
SHA-256: a0350e6f7ab707fad09117b424667d78cc7e7cd6c7b0efae28f3b5a8706f565c |
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