MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://cructi.ru/uplcv?utm_term=how+to+reboot+android+lg PDF link annotation
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370454b0adb---7918380563.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141da83aa04d---80608466009.pdfIn PDF document text
- https://jakspravnenapsa.cz/userfiles/file/jugirizovoxus.pdfIn PDF document text
- https://marblo.ph/app/webroot/img/files/86489102704.pdfIn PDF document text
- https://atrax.eu/userfiles/file/vubupadikukunogi.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/risujelezuxunesu.pdfIn PDF document text
- http://bandenplaats.nl/cmsimages/file/rawagevamaxez.pdfIn PDF document text
- http://studiopassarotti.it/userfiles/files/dozapejevizefok.pdfIn PDF document text
- http://aptekarynek.pl/zdjecia/fck/file/59381770553.pdfIn PDF document text
- http://ourpreferred.com/userfiles/files/vamivom.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613c17cede5b2---23976472374.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/99616939206.pdfIn PDF document text
- http://tai-group.com/upload/files/marinopiletoru.pdfIn PDF document text
- http://abwmercury.com/uploads/files/7302335538.pdfIn PDF document text
- http://cityfate.com/files/files/lakevomolufitixa.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/43459748283.pdfIn PDF document text
- https://perfectprojects.ro/userfiles/file/lamezilifalarevobo.pdfIn PDF document text
- http://groupelamiri.com/uploads/FCK_files/file/gopefowomulolujurod.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161458147d99dc---tinuvujasinigunixik.pdfIn PDF document text
- https://groupunsur3.com/contents/files/47839252544.pdfIn PDF document text
- http://autoscuolauniversale.it/userfiles/files/sokigajanasikilidan.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_off0000d021.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD021 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE838 | 10472 bytes |
SHA-256: ed74b546b6ee5c29a787b5a29cc486d313550808f8e1af320b012044f45e092c |
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font_02_sfnt_off0000ffd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD7 | 17916 bytes |
SHA-256: 5ce3752c5c568e46d8488aeda4a1157acc56207013bed9c6e403656f85d4f8d3 |
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