MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is a common technique for delivering malicious content. The sample also includes numerous links to compromised websites, suggesting a phishing or credential harvesting attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a61640a4aec---99052357224.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/03f4ef99f222fb325f8c6405ce94bede/70999693966.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160945ac999920---mulagipemafetisifetivage.pdf
- https://luxesystem.site/js/ckfinder/userfiles/files/regamibudebevufebapoxeg.pdf
- http://booklandbooks.com/userfiles/file/33975616390.pdf
- http://capital96.com/userfiles/file/1933238062.pdf
- http://outspokenholland.com/userfiles/fckFile/20210530090445.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/505413306d61705673cdbc5103896b13/15856877140.pdf
- http://www.cddfct.com/up_files/file/wasububusavaf.pdf
- http://pmmagic.vn/userfiles/file/43417978746.pdf
- http://lltsg.com/uploadfile/file///2021062717154521.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609836d5c0d33---vimasubamojubifoz.pdf
- http://elfuklid.cz/foto/Image/file/toravedimaxewigeb.pdf
- https://bnovum.hu/downloads/71707959392.pdf
- http://drironcat.com/images/file/99798111434.pdf
- https://iwistw.com/upload/files/16267827516.pdf
- http://wamer.org/userfiles/file/44562968363.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/6c08ef76554b8be6ceea050a1291d42b/tavotagakojitasuvimibe.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/aff36113a947ba7fa9b996bef4d86fcc/savos.pdf
- http://scales-center.com/shop/fck_file/file/45863607449.pdf
- http://aklond.com/UploadFilesfile///2021051116314638.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c982577ebd5---legozobadevejemerudazuzu.pdf
- http://elyriacatholic1970.com/clients/7/79/79c6984f8945646ae1b55d50a6b4dbab/File/33229745285.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/dlrli2eu5mkbej4pfo8o7lmgq5/jetolezuno.pdf
- http://szyuangang.com/UserFiles/file///17734599203.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=truth+table+exercises+with+answers+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e58d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE58D | 16792 bytes |
font_01_sfnt_off0000fd9f.bin5125564576004c792d59aad7f46f38933436c5ceea1eb5562027a09e0575d070 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD9F | 17612 bytes |
font_02_sfnt_off00012be5.bin5e4477850b9e620dac5a66ef27895788e6ad2cc056cf5d6c8099d95aaf346a77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE5 | 10988 bytes |
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