MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites, specifically WordPress upload directories, suggesting it's part of a link farm designed to distribute further malware. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 7
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607eeb2eb30ba---86141031351.pdf In PDF document text
- http://acecaalcoy.com/userfiles/file/nixekovegotikam.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/ae72a1599e9904c034fd73d43f1e1d7a/74119413440.pdfIn PDF document text
- http://toshiba-center.ru/uploads/files/papovizenusa.pdfIn PDF document text
- http://orosweb.hu/ckfinder/userfiles/files/fiboxozemezugusafiw.pdfIn PDF document text
- http://hpmcfamilyreunion1968.com/clients/83891/File/99760535964.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/c305f51c8ef75a02cb1c04a5756d8f6e/54304274643.pdfIn PDF document text
- http://come2menorca.com/images/file/gazokufazasovani.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/52828988573.pdfIn PDF document text
- http://airmon.hu/images/files/juwaf.pdfIn PDF document text
- http://ceroki.com/image/files/64259480934.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/22835501666.pdfIn PDF document text
- https://collegemahan.ir/basefile/collegemahanir/files/88029601874.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160deaa5ea5ff8---44736590333.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/mukab.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/6a0ae4e50125dfe5d92beb5b41fe45b5/90330535416.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bab12bfadd---romomaxumewugus.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/b8f60f31206959e94fce71f2081743fc/guxalofofo.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c08cf686d52---70974411512.pdfIn PDF document text
- http://fygl.net/uploads/file/072249205893.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba1a01b908b---30891362881.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/33884887508.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/47526607599.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/xekut.pdfIn PDF document text
- http://elijahlaurabishopblack.com/clients/b/be/bed082b287f5bb70db4763ab929fc18a/File/62044329718.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=kong+skull+island+full+movie+download+in+tamil+720p+worldfree4uPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5E7 | 11544 bytes |
SHA-256: 3af4d9952008caec628148da7e0646e5a5453a1f782d4a77f09fbf4741a3b4e9 |
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font_01_sfnt_off00011148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11148 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001295a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1295A | 15988 bytes |
SHA-256: 31d114a4d6547559a9fda62e884d88d59f2bbe15e8778872ae7cba67ef1529d7 |
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font_03_sfnt_off000152c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152C7 | 16232 bytes |
SHA-256: 332bcfbe1d60e71d379c8cbbf929c3b267dbca5800f78657f6d5b2b22e3587ba |
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