MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites hosting PDF files. Heuristics indicate this is a link farm designed to direct users to malicious content. ClamAV detection and ML classification confirm the malicious nature of the file, likely used as a lure in a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9685
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://agenciaboom.com/wp-content/plugins/super-forms/uploads/php/files/g5tcof667jo6mq3aaki489u2d4/79761287188.pdf In PDF document text
- https://zlato-eu.cz/upload/files/50420340040.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/fb185ac55953087e35c0f5aa9bd4b5a7/nabuwij.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fd9249442---pinonubesulok.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/69def733c1c82bf56cf5df5b28a7e0be/68674436558.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940ba2f2356---1685430257.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e10efcb152---bubivofurepuroza.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff79f3a556---jojumorawiwuvinu.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085aaeec4095---zofabidofiwixokeletikir.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/0oi2b1f8rbn7slobevr3ma72de/57278829816.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16075be5dadebb---jebegovanatote.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/lelilib.pdfIn PDF document text
- http://anandamsanyal.com/userfiles/file/30529670729.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/p6au9i2fk05bcj0nglroum1888/puwevineropajonomasukanej.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/101482629660a80fac47405.pdfIn PDF document text
- http://zge-led.com/luodan/images/userfiles/file/daxaxuxuloxa.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/199e66ea5653f3e59cc775ffccc7096b/kidiletu.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/7885865195.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099ac399b069---fobexopobilufapuzuvekasam.pdfIn PDF document text
- https://an-professional.ru/img/files/file/60773428277.pdfIn PDF document text
- http://huh.hu/UserFiles/File/44599380044.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096bb530bfdb---41391506109.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/a2b8538b4cfb6968c7d9b42bc5acbe23/sibarifaxipiwosubojefiwi.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/set37grugcti1lfhrotn9j34n7/32255619523.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16208634602592.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/2c0fffee7b54f4f0fc5f2b3f86868d2a/wunuxase.pdfIn PDF document text
- http://wamer.org/userfiles/file/83697024912.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=release+date+of+that+time+i+got+reincarnated+as+a+slime+season+2PDF link annotation
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fe0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE0F | 16636 bytes |
SHA-256: fc77c9a6af2b24996d94852f65e21500b8e3e2ff81751593a85475394db7a2f5 |
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font_01_sfnt_off00013176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13176 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001498d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1498D | 11088 bytes |
SHA-256: 766054b01ff3f0193e02decc2e7b130d1f0cab4b036316b63aafc54f4b797aba |
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font_03_sfnt_off00016305.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16305 | 18820 bytes |
SHA-256: 441da9959da92c9db2146f89e3d6cda264d65baaff55b7d6a1436cbe4e75e31a |
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