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 document contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://crysiq.ru/uplcv?utm_term=testy+psychotechniczne+dla+kierowc%C3%B3w+pdf PDF link annotation
- http://reicar.dk/userfiles/file/85922579157.pdfIn PDF document text
- http://grandfiltr.com/files/file/lupakuroxopugerotawabed.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/ml5j75igo3sirao6g0f3jjrc36/37016033983.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1612b749a15331---78840296934.pdfIn PDF document text
- https://betenrealestate.com/sites/default/files/file/23734672983.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/412c1f7a90d35c9b7714e651e843f7eb/78962942922.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6155768633---75121732807.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/29846359255.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/1c98d8a11d493f1f5ca2fc5e7ef0e784/letoxif.pdfIn PDF document text
- http://arlingtonhigh1961.com/clients/e/ef/ef36f0800c0a5d5a0b00d5ecc8c3c6da/File/76100485349.pdfIn PDF document text
- http://air-con.ru/upload/files/89078416939.pdfIn PDF document text
- http://moda-minulosti.cz/docs/momin/file/melipo.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/j5tdi009987dc4jcii2t3voa9f/75540190164.pdfIn PDF document text
- http://imi.vc/upload/files/vexol.pdfIn PDF document text
- https://bvphcn.bdata.vn/upload/files/fagepexafabadukopol.pdfIn PDF document text
- http://daotaonhaccong.com/uploads/userfiles/file/86474329610.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f399261599---72479540328.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160959d2f0d787---85272660260.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/6b1726a8ca81165508ebd23ecfdc957a/vudoxakax.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/xawujotagikezamug.pdfIn PDF document text
- http://galluccifaibano.it/userfiles/file/komisej.pdfIn PDF document text
- http://csc-0898.com/userfiles/file/20210825170512_pb6yeo.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210722_C23673BF9BB29DB6.pdfIn PDF document text
- http://thienlongadv.com/upload/files/22416445336.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f226178f747---rivupolaxugegubonasipe.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/5cfd6b223118a3903a24b82b4ae28eed/30452547889.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_off0000e54d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE54D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD64 | 11172 bytes |
SHA-256: f5af1e4e752ef0ab2d04990fce1bb49e5408a5d48131c80b37b50b46dbef0cb0 |
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font_02_sfnt_off00011755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11755 | 17864 bytes |
SHA-256: 929912748cba21568737fc651d8bfecf5849f966999a2ba077ee6f32ce3953c2 |
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