MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://oniceh.ru/uplcv?utm_term=syllable+examples+list+pdf PDF link annotation
- http://allmedicus.com/userfiles/file/botisuva.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/punevuselarumime.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/zejamogetimokojo.pdfIn PDF document text
- http://mu-rrrc.com/userfiles/file/lovetudil.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/jidoxivifupukowoxinik.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/5c184a8b911e27d5ad91a5affdd02a72/28063730527.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/42053554788.pdfIn PDF document text
- https://walnutcreekguide.com/wysiwygfiles/file/xukoforujasenoxido.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1610ad6606ac08---12765895109.pdfIn PDF document text
- http://qca.ch/userfiles/file/burebudunaz.pdfIn PDF document text
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/qe9bs8vdri20hmbhradik9jo2a/lajudinoxumojiguxisad.pdfIn PDF document text
- https://alarrabnews.com/images/content/content/file/69622790270.pdfIn PDF document text
- https://everestart.com/images/stories/file/veboxanazuvabasufinazewek.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/wewususave.pdfIn PDF document text
- https://prtl.pl/userfiles/file/90616633384.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/926241eaf5555ba812170b2a1b472707/98162076833.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/pifamuwobotiginokomu.pdfIn PDF document text
- https://mvservice.it/file/xirojubaloxedoniba.pdfIn PDF document text
- https://mlmrockstars.com/ckfinder/userfiles/files/nisejumunoduf.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/rivijegogebinas.pdfIn PDF document text
- http://sportgalaktik.sk/userfiles/file/rexoneladatekegazixexisux.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/f12c8c6a0d187cfbeb3831591c54d76b/94500480606.pdfIn PDF document text
- https://mytopics.it/uploads/file/lametusoj.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_off0000ccfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE511 | 10768 bytes |
SHA-256: e58a3b138ffd8662f5f1f82c5f8f195c91bb354d241d9c8d5e6669633e0fee7e |
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font_02_sfnt_off0000fdaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDAA | 17768 bytes |
SHA-256: 1bc5ff554d94d2398ff6c7ec7352ee4dc5ae99325b8bd7af724a89b57aa59d30 |
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