MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, indicating it functions as a link farm to distribute malicious content. The document body was unreadable, but the heuristics strongly suggest a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8eb94a6ab---binatoxapomabujotozu.pdf In PDF document text
- https://denizlihorozu.com/resimler/files/vusawoje.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16090844805f11---51066926798.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/f6a1e89a4246b07f4b19b9fc0e962d9a/xubewukasoxomonaka.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/27726486807.pdfIn PDF document text
- https://ideylia.fr/uploads/file/72713252513.pdfIn PDF document text
- http://brickchamber.com/ckfinder/userfiles/files/zabifebexupamaboxajigag.pdfIn PDF document text
- https://equantumconsulting.com/files/files/6331846739.pdfIn PDF document text
- http://hyundainhapkhau.net/upload/files/mobigomunifuja.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0d31c4328---10187531620.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/70283474976.pdfIn PDF document text
- http://theonejsc.com/userfiles/file/27332631601.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/pujives.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/486a854dff94ed07ac7dc985b83535ba/fepiwekuwasenevadefagogi.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102cf411cef5---setagulitapuledasuzinul.pdfIn PDF document text
- http://alcantara.cz/data/file/80298363595.pdfIn PDF document text
- http://dansungsala.com/uploads/files/rulosiwafe.pdfIn PDF document text
- http://air-ned.com/uploads/files/wamudid.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/51126972483.pdfIn PDF document text
- http://synfarm.com/upload/files/rebutokobeper.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/gobamuwuxawi.pdfIn PDF document text
- http://archi-m.ru/userfiles/file/64659899288.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c996f7d6dd1---xulati.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d00423833c---97811005961.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16127145315026---genofu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=bsava+anaesthesia+manual+pdfPDF 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_off0000d75e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD75E | 10760 bytes |
SHA-256: fac5a1a34af8e7de1b51b7cd60b341277550ec0c6deada963d6264419bd1084a |
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font_01_sfnt_off0000eff7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10809 | 17320 bytes |
SHA-256: 1a865f5976a7ebeba7404e8025232f24a53deba8c8aa4d105595e0dd1d0d90ca |
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