MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to compromised CMS upload directories or disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://raczcsalad.hu/files/munore.pdf In PDF document text
- https://hostsolutions.ro/app/webroot/files/userfiles/files/nuvenopotuwizune.pdfIn PDF document text
- http://edituj.cz/res/file/83999390888.pdfIn PDF document text
- http://magdrywall.com/project-new/christianbook/upload_images/file/kamenapujamud.pdfIn PDF document text
- http://proclima-membranes.ru/userfiles/file/fapebiripedomivenadikuz.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/diger.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9cc623693---67469468286.pdfIn PDF document text
- https://inwestorfinanse.pl/userfiles/file/zanegameg.pdfIn PDF document text
- http://highspiritsmusic.com/ckfinder/userfiles/files/29647671262.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/81808244502.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/bakazaxetepenoxisezeri.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/daduzite.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/fovitor.pdfIn PDF document text
- http://deshdunya.com/blogimage/file/sodexebezor.pdfIn PDF document text
- https://alebusph.centralcms.cloud/galeria/files/21168481012.pdfIn PDF document text
- https://tempegaring.com/contents/files/vavupomuvigejafogebumiz.pdfIn PDF document text
- https://ketdoanbus.com/webroot/img/files/65776413601.pdfIn PDF document text
- https://coluer.ir/documents/file/jaditizetori.pdfIn PDF document text
- http://psn-monolit.ru/img_file/files/wemugadasow.pdfIn PDF document text
- http://didula.com/img/file/dezikebagimumuxatiz.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311648ab5d4---51912718650.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/452587ee0c3b7aa2541259102639afd2/noboxi.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc7ce16bba---gowomezuzar.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=best+personalization+apps+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_off0000ed0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0F | 17180 bytes |
SHA-256: f27a2ea7fc23f6cb433477b4e0389920802db549d0c664730be8a6c47789ad61 |
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font_01_sfnt_off00011975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11975 | 10496 bytes |
SHA-256: 0a6c774938dd99e5eacc814c5e8cf5be2fcbcaae57632a62b26f6e73111abb7c |
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font_02_sfnt_off0001317e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1317E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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