MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous embedded URLs, many pointing to WordPress upload directories on various domains, suggesting it functions as a link farm to distribute malicious content or phish users. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://synerhu.ru/uplcv?utm_term=o+livro+nosso+lar+em+pdf PDF link annotation
- http://hart-metale.pl/gimnazjum/userfiles/file/sovesetivirutev.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb94ec9119---wugigebubeporuguxuko.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/de2f6d18fa2a0df902ab6890de285ec3/89788356345.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085fb1892523---63839194959.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/2f97a61a390bef5c3926f0d7c19e7b9b/newabol.pdfIn PDF document text
- https://jokerprod.net/userfiles/file/27921252520.pdfIn PDF document text
- https://abctranslink.com/ckfinder/userfiles/files/moposojetexegivifiriwuno.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/zerofojofoxemerupajod.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/71a659476d8facef688430e072a20b46/12066979877.pdfIn PDF document text
- http://gleneaglehoa.org/images/file/xuxovam.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/datozoxasajobuv.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944ac8176b7---98212946820.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d23d485b64c---ripipumuvewenegezu.pdfIn PDF document text
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/ma1j0fk8b6qfok0vljmml7pmia/82426681915.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/bilolemaremewigakiroz.pdfIn PDF document text
- http://say-international.eu/userfiles/file/5208065100.pdfIn PDF document text
- http://evolutionchonburi.com/userfiles/files/pavedosomuvonaj.pdfIn PDF document text
- https://5udua.com/contents//files/fikikowigijewimi.pdfIn PDF document text
- http://trustarshida.co/cache/fck_files/file/misopusam.pdfIn PDF document text
- http://campfirewtx.org/userfiles/file/ziluxefizem.pdfIn PDF document text
- http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/91165876739.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/gvscm0ufk92fc9k2l2tjajipu0/vobakapuxorurada.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2dfb5164fb---tonakozipidut.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_off0000def7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF7 | 19168 bytes |
SHA-256: 29bc1212bc7096f4a137900abb88b4c4bf92e4d79d4d971929d3067b34eb0283 |
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font_01_sfnt_off00010e3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E3F | 10652 bytes |
SHA-256: 623b60c45e12245f2e661e1240a31a2ee9f95c2b8deab90b4ec450143111b814 |
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font_02_sfnt_off00012695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12695 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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