MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the nature of the heuristics indicate the document is designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16133c1ea0cb96---41458722528.pdf In PDF document text
- http://osingenieria.com/images/admin/file/binelubepagokisakal.pdfIn PDF document text
- http://telek-trans.hu/editor_up/50329882003.pdfIn PDF document text
- http://ags-sib.ru/ckfinder/userfiles/files/liliverawililo.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/5658786197.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/41700935218.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/7bc7480065ee6196bdc8ec58a64c933a/41538427446.pdfIn PDF document text
- http://caytrong.vn/Images_upload/files/64004263366.pdfIn PDF document text
- http://pujcovnanaradi-tvarozna.cz/userfiles/files/42289734744.pdfIn PDF document text
- http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/80617814754.pdfIn PDF document text
- https://kalashad.com/userfiles/file/80588452713.pdfIn PDF document text
- http://aldobini.it/userfiles/files/60262862096.pdfIn PDF document text
- https://ceccargiurgiu.ro/userfiles/file/gijokavavevilunola.pdfIn PDF document text
- http://beamstraffic.ae/amb/userfiles/file/69768363639.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/zadizigepin.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1613276a8c6f97---dokolavekuwezuxejabaxawix.pdfIn PDF document text
- https://andreivieru.com/ckfinder/userfiles/files/85908020376.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/ufoqu5vk8n5uk7400p48p2b3oh/tebizomirekubigenidipel.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/a6397186a0c2719583e3807ee424dcf2/zuwinasufabol.pdfIn PDF document text
- http://szsahsh.com/uploads/files/17588849111.pdfIn PDF document text
- http://wawa757.com/uploads/files/77536872706.pdfIn PDF document text
- https://akilanews.com/ckfinder/userfiles/files/luxuzuwenedizojoniwas.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/91222781615.pdfIn PDF document text
- http://bayanairag.com/uploads/userfiles/files/74872587813.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=finanzas+corporativas+pdf+rossPDF 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_off0000d07f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD07F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e896.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE896 | 10540 bytes |
SHA-256: 0b9a08dfda4d174180e7905b4f329391d1187b41c6ff36a0bc7152ea4a2d4186 |
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font_02_sfnt_off000100c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C8 | 16924 bytes |
SHA-256: e1f451ba89a161988d721ef35a0206c2d0768536cbe29a1a99d0e3d27e4f0d1d |
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