MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to numerous URLs, several of which are hosted on compromised CMS upload directories, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the structure and URL analysis point towards a malicious document designed to lure users to external, potentially compromised, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://theshamrockpublecco.it/file/tuwapagafusumi.pdf In PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/cf8143de2f681c18a17ceb779c53e3a8/17943230953.pdfIn PDF document text
- http://sparkpro.lv/content/file/43735160298.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/f92mol4p5gamm8t766idopk3gl/monoxexujifumotoxi.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/69633814718.pdfIn PDF document text
- https://educhina.mn/editor/files/49550075654.pdfIn PDF document text
- http://theclubburger.com/uploads/files/xametubogosamiko.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/71795770503.pdfIn PDF document text
- http://esthebel.de/userfiles/file/runil.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/86774897208.pdfIn PDF document text
- https://activepymes.com/pub/file/55195695891.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/pejaxalemofixabudada.pdfIn PDF document text
- https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/befusofolopa.pdfIn PDF document text
- https://watertorens.nl/userfiles/file/mexafovagolarax.pdfIn PDF document text
- https://toskov-yordanov.com/userfiles/file/verufoti.pdfIn PDF document text
- http://esejsc.com/upload/files/wavudasakuxekofanikaxefav.pdfIn PDF document text
- http://jaatkinson.com/userimages/netuvuxufovewusadi.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/ke2bfteqf4of25vjomvg0lu421/94781719481.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160e60032ae466---miwabawegijisoredodunajep.pdfIn PDF document text
- http://mezon.jp/userfiles/file/xaviwuxukorun.pdfIn PDF document text
- https://kaptenhoki.info/contents//files/65924433471.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/zopojowinoxugutev.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=glasstone+physical+chemistry+pdf+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_off0000d8cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E3 | 11124 bytes |
SHA-256: 7d80a47655bac565a94494929f6089efd61fbb355d15752082a3ea371b982cf3 |
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font_02_sfnt_off00010aba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABA | 18244 bytes |
SHA-256: 743914b3c53d71e251239ba2e2e1daec2e6f89560709874ab558fca7c8d895fe |
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