MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple domains, many of which appear to be compromised CMS uploads, suggesting an attempt to redirect users to malicious sites. The presence of 'utm_term' parameters in some URLs further supports a phishing or SEO manipulation motive.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://huntic.ru/uplcv?utm_term=mulholland+drive+online PDF link annotation
- https://whatshoulditcostme.com/userfiles/file/76114054036.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/2a592b994d93a7bab98531c7930fbfab/kerejanogoruvakapupup.pdfIn PDF document text
- http://kahasat.cz/data/file/fikadilelixexuravafunami.pdfIn PDF document text
- http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/figubudo.pdfIn PDF document text
- http://kerekagy.hu/UserFiles/file/85398012136.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/58c2ceb43b72148f85f90543258fdf29/wupakusig.pdfIn PDF document text
- http://joyearland.com/ckfinder/userfiles/files/nemeketimas.pdfIn PDF document text
- http://rnralpha.cz/res/file/serimevuzokezuwabi.pdfIn PDF document text
- http://patrick-vallot.com/upload/files/45423216840.pdfIn PDF document text
- http://cyuansheng.com/userfiles/file/jabemogek.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16130c8e5c8237---parokuwigekuwok.pdfIn PDF document text
- https://qigoodteam.com/uploads/files/202109060414242574.pdfIn PDF document text
- http://4els.ru/uploads/images/files/selexivetawexor.pdfIn PDF document text
- http://decorstore.eu/upload/file/14235389780.pdfIn PDF document text
- https://rimi.sk/userfiles/file/30562139484.pdfIn PDF document text
- http://verzorgingsindex.nl/images/uploads/detakulajixokovidawi.pdfIn PDF document text
- http://gorsilawfirm.com/userfiles/file/51913800837.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/bobumemixekonenowizajixi.pdfIn PDF document text
- https://detector-billetes.com/Imagenes/file/60720574610.pdfIn PDF document text
- http://paradoxine.com/upload/files/48742436826.pdfIn PDF document text
- http://jts-electrical.co.uk/ckfinder/userfiles/files/17440769252.pdfIn PDF document text
- http://bigdoughpizza.com/uploads/files/64375125834.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_off0000ce0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE0B | 10240 bytes |
SHA-256: 376aeba3a45867cd7fcdac2f681a8f9b77a830cf51fdedac90cfac96e7703361 |
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font_01_sfnt_off0000e4ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fcfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCFC | 18780 bytes |
SHA-256: ec1ce176d003be5a0dbabb6c12ccbb52f9e5adf347e77c573d3f29d9191a7034 |
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