MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of 'utm_term' parameters in some URLs suggests a potential phishing or SEO-based lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://saraiaser.nl/userfiles/file/20966529665.pdf In PDF document text
- https://mancomunidadvaldizarbe.com/userfiles/files/pisibafekunax.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/7729e3ff473d1bad6e376337002b1389/78641826581.pdfIn PDF document text
- http://travellightnepal.com/userfiles/file/dupak.pdfIn PDF document text
- https://ariaparvaz.com/basefile/ariaparvazcom/files/18895624535.pdfIn PDF document text
- https://www.milestonesmn.org/ckfinder/userfiles/files/97811769976.pdfIn PDF document text
- https://anmoul.com/userfiles/file/lopiroluvavoxa.pdfIn PDF document text
- https://myarchitect.es/ckfinder/userfiles/files/56860844163.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/88699321016.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/kelitunekekego.pdfIn PDF document text
- http://expnavi.com/sites/all/sites/default/files/file/96149384777.pdfIn PDF document text
- http://gradn.ru/uploades/fckeditorfile/felibiwedelawemenofutoju.pdfIn PDF document text
- https://afma.pt/site/upload/file/24908576795.pdfIn PDF document text
- https://accidentmatters.com/ckfinder/userfiles/files/52656894873.pdfIn PDF document text
- http://k1a.ru/images/files/file/vikiburiwemigul.pdfIn PDF document text
- http://specimport.by/files/files/83354043344.pdfIn PDF document text
- http://sksound.com/userfiles/file/ronizorikukemenugejide.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16147b48ddf240---vupavobifovanoxapupas.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161440f1de4f95---lutivukatuper.pdfIn PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/xojimaxukufemiwaditawu.pdfIn PDF document text
- http://tokyosushilohaus.com/uploads/files/35436484464.pdfIn PDF document text
- https://stomatoloska-ordinacija-rijeka.com/files/53700463669.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/kumumu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=ram+booster+apkPDF 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_off0000b438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB438 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC4F | 10448 bytes |
SHA-256: fc231bbefb45b783a1339e56ce05f2161327d8ae9a616b3ccf488ca1ea0445b5 |
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font_02_sfnt_off0000e3e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E1 | 14496 bytes |
SHA-256: 843bf8106f2fee141e82e0f690dcbd84ba678c3200027cc4033b9eaae96882f7 |
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