MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to obscure the final malicious destination. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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://ngoctraithaibinhduong.com/uploads/news_file/mumoli.pdf In PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/9712424614.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4477cbecd71960eff19bea2712fce475/95179229754.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/l2o0d5t5465os55c0kgq9ocatd/nutowuvuvavurutaxerev.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/69028855005.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/705c9d7799d154c086d0aaf9e55ab44d/86390750510.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/5j2dlre38dc692jpqt1l9j9nd3/levogakaboke.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d24711bab99---19950456743.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b226302de97---35105650035.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1608897a79aeb8---rikedu.pdfIn PDF document text
- http://dgjst.com/upfile/file/22332298446.pdfIn PDF document text
- http://midel.me/userfiles/file/megitadasasuvo.pdfIn PDF document text
- https://ataru.site/js/ckfinder/userfiles/files/99575306380.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/e859e9eb26f45db34de5793c205ed895/raxizuguvinalarabinat.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd9d82373e---rusukurixusifisenodivowut.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/deradorokaweliwedefeju.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/7n1q2a69n6b5d2e3dliv5pife5/45507304785.pdfIn PDF document text
- http://blbr365.com/userfiles/file/1621295137.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/8ceaf070531cf2f9ea01c8068de749f9/fifadoten.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/c99ef74bf27b816414df9fa2f3eb9b39/41915520271.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/50925980769.pdfIn PDF document text
- http://branchennachweis.eu/userfiles/file/beluzerux.pdfIn PDF document text
- http://dlt-nkp.com/fileupload//file/89763719129.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/dezupomutin.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=holy+faith+essential+english+grammar+and+composition+pdf+free+downloadPDF 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_off0000bfea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFEA | 16008 bytes |
SHA-256: e644a87ac48bbe2c02a377a1c1764c1e08dfef7cb35b6219e7a983ab3d124f20 |
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font_01_sfnt_off0000e948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE948 | 11256 bytes |
SHA-256: a4e8ac2d7f9ab5c8a546a9b127e436b85de5fa346141b98e3cf2a433f4a9569b |
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font_02_sfnt_off00010355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10355 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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