MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links pointing to compromised WordPress sites and disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://pistant.ru/uplcv?utm_term=qui+and+que+exercises
- https://equator-maritime.com/userfiles/file/fipamisotijurofux.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a083cd5c107---18830199163.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f5837f4af---61688980376.pdf
- https://diphong.com/uploads/jinotunamovax.pdf
- http://eraucheta.ru/uploads/file/xilovu.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c655160ec56---juluwev.pdf
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/5a7fc8b34061ef84e4b05a6073316147/gubuzumo.pdf
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/1ftecuvmch04d993t3flpn3vt3/juxapononiguwamuwotuv.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/4a54e35203327951db76a5d287a1476f/rurilavulawotegarajumado.pdf
- https://dienlanhhonganh.com/images/pic/file/ludoleni.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ba881016bce---buwutik.pdf
- http://softwarefactory.nl/images/file/puxidubi.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0621e2627---tuxinitebamufesori.pdf
- http://adabaskimerkezi.com/upload/file/gapelon.pdf
- http://www.climatisur.com/ckfinder/userfiles/files/boluvudosolijudadogisel.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8da977122---xolidelalu.pdf
- http://bitite.lv/media/txt/122/file/359021810.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a506b9618---batuzutefizitomezufefa.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/nod9fehptcqi12iklcl3ttqh55/317339736.pdf
- http://akifkasaboglu.com/esatfisek/images_upload/files/mivexojasegopokatemonede.pdf
- https://binarbaidtrading.com/public_html/userfiles/file/dezinupunugonevodi.pdf
- http://mikailang.net/userfiles/file/20210516163745_627696444.pdf
- http://jvcc.cn/ckfinder/userfiles/files/21061418353466326805kp2.pdf
- http://drapikowski.pl/uploaded/fck_files/file/zumesetexulodafizitaxabe.pdf
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/c9970fc1d182cc02db95ce21e4d7315c/tutopabenolakugomogil.pdf
- https://musikkursus.dk/userfiles/file/38164721458.pdf
- http://bsbcarpet.com/userfiles/file/9318009612.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_off0000eb26.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB26 | 16792 bytes |
font_01_sfnt_off00010338.bina0cac1d32f31dca8be4da0d9996bc5b4c52d89f64fd0fe9342705907ccab6f85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10338 | 19116 bytes |
font_02_sfnt_off00013289.bindfdcca1e61aac5e6b1b987e1af2eab7c202d41f5c821775e90a1f786d01d6ec4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13289 | 10508 bytes |
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