MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with numerous embedded URLs pointing to potentially compromised websites. These links are likely intended to redirect users to phishing sites or download further malicious 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 http://ourdesign.hk/ckfinder/userfiles/files/vizer.pdf In PDF document text
- http://benthanhsgfarm.net/images/uploads/files/sejoxavugegunobom.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff1605bbea---79752965494.pdfIn PDF document text
- http://staresecurity.com/userfiles/file/bisirawivajixose.pdfIn PDF document text
- http://ginzaramen.us/uploads/files/fudit.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///rikerezolidivabutofigofo.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/25691871072.pdfIn PDF document text
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/fivesago.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/16610181663.pdfIn PDF document text
- https://deltarealestate-eg.com/userfiles/file/36423851974.pdfIn PDF document text
- http://vividconcept.in/userfiles/file/sepazuwikebupol.pdfIn PDF document text
- https://jamisonfurnace.ca/userfiles/files/47005834518.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328ed273bc9---tolabigem.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/161408ff91fd7f---malusakimijizixu.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/76352206633.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/40655171338.pdfIn PDF document text
- http://racecross.com/upload/edito_fckeditor/file/4156242091.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/tigatujutagidoxodeta.pdfIn PDF document text
- http://alianzablue.com/aym_image/files/zeroxulukunixaxisel.pdfIn PDF document text
- https://freebcard.com/ckfinder/userfiles/files/17807542652.pdfIn PDF document text
- https://samudra99.com/contents/files/vitozuxepuwujabikaja.pdfIn PDF document text
- http://msslink.ru/userfiles/files/nixorarirejokaji.pdfIn PDF document text
- http://spec-so.ru/sites/default/files/file/93807508150.pdfIn PDF document text
- http://www.ocptecnology.com/admin/uploaded/fck/file/52496237876.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=photo+studio+pro+modPDF 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_off0000f4db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DB | 18356 bytes |
SHA-256: 910b524623156580dcbf4fba075b64404fb2672aedf80d1b93d06bce354e8464 |
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font_01_sfnt_off000123e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013bfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BFE | 10312 bytes |
SHA-256: f9497150c959c083073cb524a5d21c23353c9a8bb7605dd4012098efe87d9f71 |
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