MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to external files hosted on compromised WordPress sites, suggesting a link farm designed to trick users into downloading further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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 https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160cad6f43d341---tuvupedasukofobi.pdf
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c251e3e372---wonezodegedezigam.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819edcc6131---werofudufiwipoganuz.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c12c8d611f---riteba.pdf
- https://dolaodong.com/userfiles/file/bivuxef.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607273a1d091f---10846462274.pdf
- http://from.ua/upload/articles/2021/06/19/files/texulotawakuxefuvi.pdf
- http://mwflower.com/upimagesfile///vorepixapaz.pdf
- https://optimustelecoms.com/ckfinder/userfiles/files/motuwudisenugigev.pdf
- http://anandtouristcorporation.com/uploads/73631877446.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/d5f5921c99c5372b0c7f1e7c8c5a77f2/6917456890.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f836d5d675---patulegu.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/8ds9qrv4kmraiug7d8bspnpqv9/dujijipixebolidamaviru.pdf
- http://cropscipublisher.com/files/upfiles/file/56129940454.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c49787e2a---pezijewojezekukejudilemek.pdf
- https://brahmagnanam.org/fck_uploads/file/52661239295.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16073e53beb04f---xirapoxozipetejojumi.pdf
- http://angelescare.com/userfiles/file/mijanenezeli.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/fcd2f8bbbc22b65cdd7a638bd49df6ec/29426978595.pdf
- https://munord.com/wp-content/plugins/super-forms/uploads/php/files/7ae88d34defb430428545586d439db40/najapodepapalogufedene.pdf
- http://vasvaripalmuzeum.hu/upload/file/43975307432.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c51631a0e1d---lubako.pdf
- http://arohitourandtravels.com/userfiles/file/fevozop.pdf
- https://haysalon.com/public_html/userfiles/file/81956087146.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=word+and+excel+to+pdf+converter+software+free+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e645.bin9a6c33f794fc5c56750f4b60452998145d1f70cbd94c4b828058ff854c9427ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE645 | 10768 bytes |
font_01_sfnt_off0000ff46.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF46 | 16792 bytes |
font_02_sfnt_off00011758.bin525611d342257c8d82718944bfd9b4f6fb6eee963da68a506a8f2c4074b293fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11758 | 17240 bytes |
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