MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The document functions as a link farm, containing numerous URLs that point to compromised CMS upload storage and disposable hosting. These links likely lead to phishing pages or further malware downloads, aligning with a common attack pattern for malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://coretry.ru/uplcv?utm_term=how+to+change+facebook+language+on+android PDF link annotation
- http://fcv-bo.org/data/fcv-bo/userfiles/file/susete.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/7678e2293784dffff461ebe316128b33/60575012065.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/408037576.pdfIn PDF document text
- http://quincy.pl/ckfinder/userfiles/files/2186843578.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f088938a5b---16674532441.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210906031953.pdfIn PDF document text
- https://brianhigbielaw.com/UserFiles/file/44147338024.pdfIn PDF document text
- http://signauction.net/userfiles/file/79307505293.pdfIn PDF document text
- http://elsped.hu/files/file/74590478184.pdfIn PDF document text
- https://mtestbd.com/assets/uploads/files/97985270843.pdfIn PDF document text
- http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/genezifixelos.pdfIn PDF document text
- https://deepex.hu/hirek/files/57196125000.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/64739055353.pdfIn PDF document text
- http://manenshop.com/upload/files/pevetevepitanikugepujab.pdfIn PDF document text
- http://medical-1669.com/userfiles/files/gorezagikojoloxababisop.pdfIn PDF document text
- https://hoatuoi360.vn/uploads/files/nibikutasiledupux.pdfIn PDF document text
- https://kohphanganhotelandtour.com/userfiles/file/62239156920.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/85p7t4420h7itdf98j0jrmqgtg/sajadajadolizokowijal.pdfIn PDF document text
- https://xpress2.eu/ckfinder/userfiles/files/tiwoxexunowofakoz.pdfIn PDF document text
- http://clinicaveterinariailmarzocco.it/userfiles/files/84030746744.pdfIn PDF document text
- https://mimpishio2bet.com/contents/files/25967437777.pdfIn PDF document text
- http://whuntex.ru/userfiles/file/50201782427.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_off0000d04f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD04F | 10996 bytes |
SHA-256: 8fba23f221458abc85fdf922fdaa29bfc6d04053ebff0d01248895a021b22b6e |
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font_01_sfnt_off0000e98f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98F | 17832 bytes |
SHA-256: 19f386bf05fc5b853b948253d0474c14b49403f6402463c3898face6b27251f2 |
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font_02_sfnt_off000117e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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