MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, with multiple heuristics indicating it functions as a link farm. Several extracted URLs point to potentially compromised websites or disposable hosting, suggesting a phishing or SEO manipulation scheme. The PDF structure itself is complex, with duplicate object bodies, which is unusual for benign documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://kohphanganhotelandtour.com/userfiles/file/4548675296.pdf In PDF document text
- http://nwatchonline.org/userfiles/file/49382786277.pdfIn PDF document text
- http://chrisdepanneservices.com/Sites/cds/files/vebixadefopomurizig.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/2218384320.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/npuueunb8oletaolo4a05numc0/kedejemixodiduzoj.pdfIn PDF document text
- http://globalaircrafttech.com/ckupload/files/96090479830.pdfIn PDF document text
- http://innospectrum.eu/hirlevel/file/9496671066.pdfIn PDF document text
- http://icmasistemas.com/userfiles/files/karopivanuvapewixideb.pdfIn PDF document text
- http://st-ark.it/userfiles/files/vifufaj.pdfIn PDF document text
- http://geerhannutpourreussir.be/docs/upload/files/75877789401.pdfIn PDF document text
- http://homestationrealty.com/userfiles/files/fubigojiridosesilalekuwa.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608231778588b---tetezomepokajusa.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/15df9ca557b80649720ca0d587a4671e/67500534516.pdfIn PDF document text
- https://www.rougeindigo.com/ckfinder/userfiles/files/divomipe.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7e9e5e043---89144299254.pdfIn PDF document text
- http://kukubara.com/zdjecia/file/nasikizutojot.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8690c2a23---85864629939.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/20722226296.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609088198280c---karuwewafakorok.pdfIn PDF document text
- http://velkoobchod-man.eu/ckfinder/userfiles/files/vexodumilivipapedekita.pdfIn PDF document text
- http://loveperfectionschool.com/upload/file/93455528694.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/ccf3f18b960a1911edb8d434bc727f41/lazoz.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/r17pnkppmhd24mg3vueejbv8cj/lesonom.pdfIn PDF document text
- http://cezanart.com/userfiles/file/98005171829.pdfIn PDF document text
- https://wecareprogram.org/images/file/bakapuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+to+set+up+xfi+podsPDF 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_off0000c904.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC904 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e11b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE11B | 10360 bytes |
SHA-256: 10f249f378cae27d4d8fa599e37d31dbf5c1501a5f1fc99215202e154cdd8211 |
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font_02_sfnt_off0000f8ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8AC | 16804 bytes |
SHA-256: c224e38af133cd9d796abaab0c83507293c1ff9b31f7ee2115f9954c4610ac24 |
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