MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to PDF files on various domains, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a potential attempt to manipulate search engine results or distribute content through a network of disposable sites. While no scripts were explicitly extracted, the nature of the embedded URLs and the detection as a phishing trojan strongly suggest an intent to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 5
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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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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://cancelaria.pl/galeria/file/gapanefedafefaxa.pdf In PDF document text
- http://leprofit.ee/cmsfile/contentfiles/rowadotelux.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/29223267183.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/161370657d301d---tiwoxowepawo.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/xodawalaturix.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/xologovipunukubamop.pdfIn PDF document text
- http://phelieuviethung.vn/upload/files/61016947351.pdfIn PDF document text
- http://lemma-studio.pl/userfiles/file/vakebuno.pdfIn PDF document text
- http://chapelguild.com/images/usr/45500766342.pdfIn PDF document text
- http://zoscm.zohukum.com/ckfinder/userfiles/files/41432704414.pdfIn PDF document text
- http://soles2walk.cz/data/file/luzekibosa.pdfIn PDF document text
- https://harshahometutors.com/uniformkontakt/userfiles/image/files/zososuredanakafegit.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/13948225830.pdfIn PDF document text
- http://temdientu.vn/images/ckeditor/files/roruj.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/zaxoseketovan.pdfIn PDF document text
- http://zatuchlina.cz/upload/file/98120326099.pdfIn PDF document text
- http://world-green-hope.com/uploads/files/pipapepozivij.pdfIn PDF document text
- http://abcgsgeds.friendship-match.com/upload/files/duronigibaruf.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/b92040eabf81f2e87f2591aa07a8edfe/1190903785.pdfIn PDF document text
- http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xugopotalipapuvobufunopo.pdfIn PDF document text
- http://ildungrice.com/fileupload/fckeditor/file/xutatesegemokidigegi.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/boxaxaremes.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/wupagatamavajased.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=free+instagram+followers+booster+appPDF 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_off00010b04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12316 | 18416 bytes |
SHA-256: 6f873c1d5deebe204e2904a7dd72b75544cc2bb186cea8aa13671dbde3cadfca |
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font_02_sfnt_off00015306.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15306 | 10904 bytes |
SHA-256: 957d8ee9256f482d7aa19904ac95a1160c80f5eabda55eab89693fe657db96ce |
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