MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm used for phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and the nature of the URLs indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://santehsevast.ru/userfiles/files/74404405833.pdf In PDF document text
- http://hanlacsclub.com/ckupload/files/60670373168.pdfIn PDF document text
- https://lalicorne-hotel.com/userfiles/file/16159607369.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/mebufaga.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aff425a717d---42132852721.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/afec69190fad446d8c76355024fd5eec/zupamixirufadetowevux.pdfIn PDF document text
- http://imaginove.eu/data/Files/14466475890.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/09hg2u1sr96cvkrsnsbfumarpg/9119985369.pdfIn PDF document text
- http://jvcc.cn/ckfinder/userfiles/files/2106050009257201578hdxp.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9da324e94---kowefapow.pdfIn PDF document text
- https://dermatologie-francophone.com/userfiles/file/57411007338.pdfIn PDF document text
- http://anshan56.cn/userfiles/file/1628771831829013323.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf59c3eb933---75767927795.pdfIn PDF document text
- http://cancercareresearch.com/userfiles/file/68939776777.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161066c6ec4a95---xuniganilogekanebepe.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160dc6dcdb0470---nurugegaxowuwudinixuzagat.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/40721137440.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/fafoxolemejagipefexajudi.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/dupafutibuvipobuxa.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/4859dfac782d1d17b41aac1629e50687/jefiwetonedapoxat.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160958007b7713---vubepijifolatifegis.pdfIn PDF document text
- https://okud-istra.hr/userfiles/file/diwibuxolazabegoz.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021061803302919.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/putufopuguzododil.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=general+knowledge+question+and+answer+in+english+2018+pdfPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ffda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDA | 18352 bytes |
SHA-256: cafd9d756c00cce9ded1df7df862dc0c5019a5cec87b01dc64f281e02bf3ab8f |
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font_02_sfnt_off00012ef6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EF6 | 11740 bytes |
SHA-256: 6136b970e9ddb871755d743b852b2606666395446d7907cae64b3695f7869121 |
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