MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection for phishing. The embedded URL and link farm heuristics indicate a phishing attempt, specifically impersonating Norton and using a lure for 'safe free Robux' to likely harvest credentials. The document body is heavily obfuscated, but the presence of external URIs and the link farm analysis strongly suggest a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://laborke.ru/uplcv?utm_term=safe+free+robux+sites.
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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://laborke.ru/uplcv?utm_term=safe+free+robux+sites PDF link annotation
- http://sportschoolindex.nl/images/uploads/57130831754.pdfIn PDF document text
- https://drnanemilk.com/tctt/sites/aaa/file/vavupofesuwez.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/e0391db68f70ea2d17fd7a4a81d52ff1/55299598524.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/97426886982.pdfIn PDF document text
- https://guptajimarriagebureau.com/userfiles/file/3201681027.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/laroxojoruje.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021090812495211.pdfIn PDF document text
- http://aibrpjoaae2.specialty-match.com/upload/files/garejenojuvolowatevog.pdfIn PDF document text
- https://farmaciasacoor.com/site/upload/file/73238420374.pdfIn PDF document text
- http://heyumpnd.com/userfiles/file///wogoref.pdfIn PDF document text
- https://mtmnetwork.net/uploadEditor/files/95143499973.pdfIn PDF document text
- https://bedandbreakfastholten.nl/userfiles/file/dilopotela.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/26737998649.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/balobisi.pdfIn PDF document text
- https://vinniescustoms.com/userfiles/files/banezumizawe.pdfIn PDF document text
- https://ville-saintleonard.fr/pdf/begadisitilezobaz.pdfIn PDF document text
- http://younewstoday.com/task/userimages/file/rutovalenetexuxoxut.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/96507993978.pdfIn PDF document text
- https://obermeyer-modemarkt.de/upload/file/89643765412.pdfIn PDF document text
- http://secretlove.ch/ckfinder/userfiles/files/72836447016.pdfIn PDF document text
- https://lbk-ingatlan.hu/uploads/file/xozirusebipasamexibemuv.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/82060592743.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614278b2700c9---bulagitos.pdfIn PDF document text
- https://stonebuild.bg/f/uploads/files/ruwubuzapedite.pdfIn PDF document text
- http://cutyoursupport.com/userfiles/file/17981929914.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/vebozofu.pdfIn PDF document text
- http://tarnava.eu/user_images/file/gofax.pdfIn PDF document text
- 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_off0000d5d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ede4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE4 | 16704 bytes |
SHA-256: 4ef046f82ead8e4ad684b4e23477ee5a3fe4031acd602d5189d3056785977c2c |
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font_02_sfnt_off00011924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11924 | 10476 bytes |
SHA-256: 76a7456c6e4506d5bbde5ef46ec5367c6ef69af8c3b6a0c40347e85e74326384 |
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