MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to potentially malicious content. The presence of these links and the nature of the heuristics strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/cc213dfe208597b65815b5d6d171d249/dugetexuvarij.pdf In PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/wazow.pdfIn PDF document text
- http://musicandyouapp.com/webupload/editorimg/files/99020245983.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/ed635218b0322067d31a44d98d828933/5234594193.pdfIn PDF document text
- http://colorfusion.us/admin/images/file/netovotip.pdfIn PDF document text
- http://t-eamplus.de/web/editor/files/44386890570.pdfIn PDF document text
- https://maintogelonline2.com/contents/files/wozalefuduvuruz.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/15f23afcfb1f4f85e74d4facee66328f/guxewevejimujekovosawadi.pdfIn PDF document text
- http://greenearthgardens.org/userfiles/49225787675.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///58803105658.pdfIn PDF document text
- http://parmalab.it/userfiles/files/zabuwozarawobo.pdfIn PDF document text
- https://xn--pssa17sw71b.tw/upimages/files/biweg.pdfIn PDF document text
- https://houstoncoinclub.org/FCKeditor/file/2236589901.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132de513bfd8---19519914507.pdfIn PDF document text
- http://laibros.com/ckeditor/userfiles/files/25346376412.pdfIn PDF document text
- http://kaie.org/userfiles/file/20210912191716.pdfIn PDF document text
- https://renhedc.com/uploads/files/202109252214364043.pdfIn PDF document text
- https://projetovm.com/uploads/files/97000706652.pdfIn PDF document text
- http://biogenetec.tw/image/files/20210904_043542.pdfIn PDF document text
- http://3gr-group.com/ci/userfiles/files/tebebevowesuk.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/mibisinevenuzalawuje.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021092614164363.pdfIn PDF document text
- http://mtegl.wsystem.sk/userfiles/files/gojeji.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=tdap+booster+during+pregnancyPDF 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_off0000b228.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB228 | 15112 bytes |
SHA-256: 462379045472fa9bacb2305ab8123a50b86de9964ac797f17ad15677498d677c |
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font_01_sfnt_off0000d804.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD804 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f01b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01B | 10960 bytes |
SHA-256: b669f1bc4dd1dd29b5b9628d7c78ce9b48fbe28b069f8e37673657d0394dc3b3 |
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