MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected 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 platforms or disposable hosting, suggesting a phishing or scam campaign. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious sites, likely for credential harvesting or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://oniceh.ru/uplcv?utm_term=the+heart+and+the+fist+pdf PDF link annotation
- https://limsurdua.com/contents//files/3494436595.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/9c253a575045846a6dd8f4a89cc5e27c/bedawelogemusuxog.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607101a9d8e3f---niwaduritak.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c65ea8570a---likutifo.pdfIn PDF document text
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722433c4930---gunoxipojagitoka.pdfIn PDF document text
- https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/f53vui2uvpg48sftju36in7agb/70204096742.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/bunetikunumozepotudepaf.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/5a705c44dc9f3d223a423022676a9885/ravilef.pdfIn PDF document text
- http://forter.vn/hinhanh/file/51760188618.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/6e88s6g3lnvk7idqjhr12er11j/94129820032.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c2957b3fe53---23200191594.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/58165005333.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/70833195242c3a994ea7bd8c5fe47f1c/50271015532.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/d5e4dd39eb16236b27d76189e0ea6e59/novawudiroge.pdfIn PDF document text
- http://chinalabware.es/d/files/berulid.pdfIn PDF document text
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/59au4m19b2jip2dk5v66mlusn4/3306745896.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/wozonasepuvesixivafokilo.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7d7ba90400---3303474209.pdfIn PDF document text
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160845b235c6f5---12319330240.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/ec83d9645f929fa1ed769ddac49ff5cd/pilawipetimemiv.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/vmg1p0pe4legsbdum25tsb4l64/62720393921.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/72149383633.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/3636743752aef4e958ac8eedc087cb13/82613374179.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aac05370086---18381749334.pdfIn PDF document text
- 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_off0000f177.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF177 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001098e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1098E | 10392 bytes |
SHA-256: ea2a317a804c233546ccafb9122092524d10bfd795372e49fe33a61e92af3f32 |
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font_02_sfnt_off000120f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F9 | 17732 bytes |
SHA-256: a9f52d0315ffa43f8d296dfb8e3f7995c295732f7f6ec3057471e0ad344d00c5 |
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