MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier with high confidence. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The embedded URLs and the nature of the heuristics strongly suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://rideabikenews.com/user_img/files/sudijivegu.pdf In PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089ab9041923---71208395633.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb8dee571a---17275320781.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/cff471353432fd4acd97711607f20c65/girogalewelufazubazideb.pdfIn PDF document text
- https://htddienstverlening.nl/userfiles/file/74123654758.pdfIn PDF document text
- http://ranjitabiswas.com/userfiles/files/wotedujavugonivekutumati.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/bf4a950adb29f1b9681f02d49f4b9d6d/kotagojisavis.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/dakakeneriragimirawo.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160bf268ccd5d4---godizatekofapobej.pdfIn PDF document text
- http://deryalvincotokurtarma.com/userfiles/file/dewemarefekituzamulik.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/96bcb3ccae18ccccfdb3fcb8e28a1748/venoji.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/f78408768f69da40d5b3946cc51c27ea/67656417991.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866d434be39---62917862881.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a04e83006f0---koxupigiputemesodupi.pdfIn PDF document text
- http://parkhigh65.com/clients/4970/File/29059589132.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=mass+effect+3+from+the+ashesPDF link annotation
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/f8bfbaf3f0d852a305f23590e6ff24a6/jegovugek.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fdc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC9 | 5260 bytes |
SHA-256: 31c852d5d7745d5ffc82be094c77b1cde0ddb7d14b45d085999c15b3bdc0f875 |
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font_01_sfnt_off00010f8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F8A | 15132 bytes |
SHA-256: 7723e7dfc90134a1251724ac92353ff5ba41537309433d49deea601bcb14c37a |
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