MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains numerous links to external websites, many of which appear to be part of a link farm hosted on compromised or disposable domains. The presence of a callback lure heuristic suggests a phishing or tech-support scam attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for credential harvesting or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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=asphalt+8+unlimited+tokens+and+credits PDF link annotation
- http://prospekt-rostov.ru/ckfinder/userfiles/files/guvunazutobani.pdfIn PDF document text
- http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tupudufozu.pdfIn PDF document text
- https://rosedreamholidayhomes.com/ckfinder/userfiles/files/28513812360.pdfIn PDF document text
- http://euro-ex.net/images/blog/file/64874960707.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/24344992189.pdfIn PDF document text
- http://exmar.it/foto_fck/file/53919992937.pdfIn PDF document text
- http://kavtas.com/images_upload/files/67766189998.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b3a0702ed---vamolarer.pdfIn PDF document text
- http://ladispensadicampagna.it/uploads/assets/file/63851212599.pdfIn PDF document text
- https://foodexgida.com/uploads/files/teronu.pdfIn PDF document text
- https://faceless.me/userfiles/files/10247990667.pdfIn PDF document text
- http://fsnmmaterials.com/UPFILE/userfiles/files/88701308654.pdfIn PDF document text
- https://campermagazine.tv/public/file/56071939560.pdfIn PDF document text
- http://fatename.com/uploads/files/202109171312586176.pdfIn PDF document text
- http://wawa757.com/uploads/files/21926040159.pdfIn PDF document text
- http://goodfortune.hk/UpLoadFile/file///21561163591.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146cad7cade3---7233106561.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/44d1b0a17f0af70ecf90e50a58c6cbf2/61295132121.pdfIn PDF document text
- http://meghdoothsuzuki.com/uploads/29846020936.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16149071fc03d2---golarevubu.pdfIn PDF document text
- http://daiquangsico.com/img_duhoc/files/domirabevofesemebefalodi.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfc45c007a---fabodedimene.pdfIn PDF document text
- http://retrievers.su/ckfinder/userfiles/files/zizoxubodegut.pdfIn PDF document text
- https://sikanderajam.com/Robinson/ckfinder/userfiles/files/87974492265.pdfIn PDF document text
- http://gearonlaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kinilazelakumi.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_off0000dcab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCAB | 18172 bytes |
SHA-256: 07039233823697b8ef078e8c309d1980e74c25c499f7ddf25f939fbf5ebad9fe |
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font_01_sfnt_off00010bf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001240d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1240D | 11160 bytes |
SHA-256: df019951107384397d44ba424b50a6fe628be72481c09a7413a3884e5e9a7a91 |
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