MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links to various websites, many of which are hosted on compromised WordPress installations. The document body, though heavily obfuscated, suggests a lure related to updating Samsung tablet software. The presence of multiple external URIs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a6986f4e78e---mewivekufazerasalo.pdf In PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/8781468886b96b5c2f3576c912f43151/wipemararodakati.pdfIn PDF document text
- http://analogsys.com/uploaded/file/3698506206091df897a147.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/41478464859.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c54663cc4f---20286785146.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/efff068c2203ee1ca12f015568f388c5/87687359408.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/2221c224664c20116a8469eadc50b89d/dafilabepuwezove.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/28936716625.pdfIn PDF document text
- https://acronimocostanzo.com/userfiles/file/birejevopemo.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/nqnvmb2jrbf0jtkkm27mo5it5q/36184483129.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160904607bb789---76875243979.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/6vdkrsq130umo9bttrt1qab0ci/68783564709.pdfIn PDF document text
- http://henri-ruch.ch/doc_pub/file/lewajizomubajof.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/11783461969.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4c9259779---karafirokitegudigeb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+update+samsung+tab+3PDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF46 | 5340 bytes |
SHA-256: f80ad45820f793b6563d290daed4675cbc07a0aef38ecb8cf664813e8155a328 |
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font_01_sfnt_off0000e168.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE168 | 10696 bytes |
SHA-256: 12e3254778f77c153932f84937216e5993a94931c9ef5328fae49abd369c14ed |
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font_02_sfnt_off0001062f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1062F | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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