MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate it functions as a link farm, directing users to compromised CMS uploads and disposable hosting sites. The embedded URLs suggest a phishing or malware distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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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 http://thegioivaigiasi.com/Images_upload/files/wojuxuxovirugurewi.pdf In PDF document text
- http://clinicaveterinariacene.com/userfiles/files/78232278740.pdfIn PDF document text
- http://slstudio.it/userfiles/files/zotovesemep.pdfIn PDF document text
- http://stressmanagement-karriere.de/userfiles/file/jabesaliwipugenesaj.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/tugubuganakotomofaselidix.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/zeramuverasafuwamaxad.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151dfb07912f---duwotad.pdfIn PDF document text
- https://hotararicedo.ro/files/files/92541394121.pdfIn PDF document text
- http://jsushibrea.com/uploads/files/sadojoxalonixedewijof.pdfIn PDF document text
- http://hometextiles-consultant.com/ckfinder/userfiles/files/jijilekisabijedaxadogoko.pdfIn PDF document text
- http://bukharaalpharetta.com/sites/default/files/file/nufefajuvexofamudetumikef.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e53f356d8---91923797789.pdfIn PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/jusamigitobaxepigerasefu.pdfIn PDF document text
- http://goldendazzle.com/upload/quangtri/files/vimupesosogazefufejofimu.pdfIn PDF document text
- http://administratieindex.nl/images/uploads/5981044195.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/68458917123.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/sufudoxojimodeveno.pdfIn PDF document text
- https://sportsslife.net/upload/ckfinder/files/47732467099.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/29924520658.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/jebabuze.pdfIn PDF document text
- https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/gosuvevexiki.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/bud089cu5a4998f7ncsilvd1td/vapesazakukilerafama.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=the+social+network+screenplayPDF 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_off0000da2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2E | 17288 bytes |
SHA-256: 1336d76eb61f83a72f86262c0059ce481d1bec14d8fabbb8fc1c3801354bfef9 |
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font_01_sfnt_off0001069b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1069B | 10728 bytes |
SHA-256: 5c3338ad6f9d58a9d167a44b011ab1d54799899169e6e8ea87bf19406a368327 |
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font_02_sfnt_off00011f55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F55 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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