MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was flagged by multiple heuristics, including a high ML score and ClamAV detection as a phishing trojan. It contains numerous embedded URLs pointing to other PDF files, suggesting a link farm or redirection mechanism. The authoring application 'wkhtmltopdf' is sometimes used to generate malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://tapetcenter.ro/app/webroot/files/userfiles/files/gazerodowuzulig.pdf In PDF document text
- http://xn--49s538bo8ux8c.net/userfiles/file/nemesuzikarizilol.pdfIn PDF document text
- http://deltools.com/userfiles/file/40869949084.pdfIn PDF document text
- https://kaptenhoki.net/contents/files/gijivi.pdfIn PDF document text
- https://institut-arabe.org/ckfinder/userfiles/files/sekifagopirorinakixabige.pdfIn PDF document text
- http://nepalbestcargo.com/userfiles/file/76226260167.pdfIn PDF document text
- http://bielwod.com/userfiles/file/tukejesifimajawuxedis.pdfIn PDF document text
- https://gaziemirkentkonseyi.com/upload/files/lefotebularo.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/nsa68hhlmla0jcovj9j75hum2e/2211855934.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/dajuxurujup.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210904040017196.pdfIn PDF document text
- https://siangyun.com/upfiles/editor/files/kufikojijun.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352d0eafa42---40299657680.pdfIn PDF document text
- https://majubesar.org/contents/files/21882605793.pdfIn PDF document text
- http://zlzljc.com/uploadfile/file///2021090816155130.pdfIn PDF document text
- http://metapolar.hu/tmp/biwexejufow.pdfIn PDF document text
- http://esrafisek.com/images_upload/files/jidezenirikobitijek.pdfIn PDF document text
- http://laboratoriologos.it/userfiles/files/mububizonemosobituj.pdfIn PDF document text
- https://betenrealestate.com/sites/default/files/file/78162105457.pdfIn PDF document text
- http://abcbyspu.com/ckfinder/images_store/files/reneziviboniruvore.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/58299688305.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/8029526674.pdfIn PDF document text
- http://varvshistoriska.com/file/lalikubanozonewajozaxoruk.pdfIn PDF document text
- https://festacontinua.it/public/file/demupupefejokeponefine.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/gelaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=the+temple+of+venusPDF 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_off0000b511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB511 | 14696 bytes |
SHA-256: f571d4593abcd578c7970568b9f7117dcda99afc813cb816701d96611d3f8aa0 |
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font_01_sfnt_off0000da23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA23 | 10396 bytes |
SHA-256: 869d4ee58f32ce85fa19ca350d3d75afd16693ab075bcd5eab8ed93fc99f6183 |
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font_02_sfnt_off0000f188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF188 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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