MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links pointing to compromised WordPress upload storage and other disposable hosting, indicating a link farm designed to redirect users. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, suggesting it's not intended for human readability but rather as a container for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16084435e5fcbe---tuloz.pdf In PDF document text
- http://aep-tc.com/cache/fck_files/file/63171359288.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/danamotidola.pdfIn PDF document text
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16080d5e7d071e---jilarenifiwosereratezoma.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/f055b3b693edae1928ae5b040826b6a9/nedukunevikejuzirejawuwe.pdfIn PDF document text
- http://magnachip.cn/userfiles/file/20210509212946.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/ut1j7dmd4ttns0nraui9sst0g6/48212698967.pdfIn PDF document text
- http://studioscoponi.eu/userfiles/files/77276720943.pdfIn PDF document text
- http://ohdiabo.net/images/ckeditor/files/13566651974.pdfIn PDF document text
- http://www.poliklinika-hb.cz/userfiles/file/92359787969.pdfIn PDF document text
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/nakuvokuzupigexasira.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/628352a2801c1b275e04a5a5dd706050/bedawozupok.pdfIn PDF document text
- https://bloomeng.com/uploads/bezagilatenitaf.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160946e1d867db---24744481262.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c7a99244b---xabedoranukubawo.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/momonubofagatu.pdfIn PDF document text
- http://msiutilities.biz/documents/jevamavuxibivadi.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1611197a571b20---wezob.pdfIn PDF document text
- https://bold-iot.com/uploads/files/202108132333323860.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a519522ba4a---duxobizizipejakerugiru.pdfIn PDF document text
- https://kawanmto.net/contents//files/80141944702.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/roburumu.pdfIn PDF document text
- http://broadmoor80.com/clients/866172/File/48480110031.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b300c56b67---fotizasijatedoxu.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607022e6477ee---ruwezewazavojixabo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=penanganan+awal+luka+bakar+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_off0000d9ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9CA | 17500 bytes |
SHA-256: 16c4c485bc8ee2ef0cc265b95528e2f3bdb945d7ba720d1c033208df6a497674 |
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font_01_sfnt_off000106cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EE4 | 10616 bytes |
SHA-256: 81395ed455130bddd856055af039a6aa7bb040ba3a79d4f0343a0e37ef204411 |
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