MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links indicates an attempt to redirect the user to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/dtl51q74541lt88oltfs4vr9rg/kiwutumagixedupo.pdf
- https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/xotipadasizesebopexewi.pdf
- http://anm-av.de/uploads/files/wuxarofaxanaleko.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/b3258a6f0c63d70082af6eb82b01cb6e/35434961898.pdf
- http://tcsm62.org/uploads/news/file/8940256207.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d7534bb9d---bozajit.pdf
- http://orderleesushi.com/uploads/files/44035872645.pdf
- http://eszixv.hu/ckfinder/userfiles/files/resibudukifalunowufifoju.pdf
- https://trvstore.com/userfiles/file/fuzumemedunukepodo.pdf
- http://wajl.net/img/file/20219802358.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148354443658---tafagomorol.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16133d5c2a03f2---kikuza.pdf
- https://h16hr15k-h19hr37urn.com/contents/files/zejidinanub.pdf
- https://getadoc.in/ckfinder/userfiles/files/85664122413.pdf
- https://bunianco.com/other_files/File/konazisaxa.pdf
- http://alnadaoil.com/userfiles/file/99301470790.pdf
- http://dlzj.net/upload/files/20210929180749184763.pdf
- https://cplastik.cz/data/cms/file/56306662379.pdf
- http://xn--80aafkatcapceshpicpg3h.xn--p1ai/pict/file/wesatijepibubepizavif.pdf
- http://sicilalluminio.it/userfiles/files/kalukuvobalisidekide.pdf
- http://musicpark-live.com/userfiles/file/jaguwevopiwiwofaz.pdf
- http://cokhihoangvinh.com/uploads/userfiles/file/vegoregamudenerasuxemuw.pdf
- http://protok.pro/upload/files/95094671181.pdf
- https://hotelexpert.ro/uploads/files/budofi.pdf
- https://autosaloncenter.com/uploads/file/54237490421.pdf
- http://kdekdyjak.cz/data/353416049.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=global+offensive+mobile+apk
- 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_off0000b3ad.binc4dff4230540b69433ef8b4ac3051d628eb52b07d280d53a2fb35879aa5bb4f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3AD | 10660 bytes |
font_01_sfnt_off0000cbe9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE9 | 16792 bytes |
font_02_sfnt_off0000e3fb.bin74bc42ed9b9a80c979472b9aa6909ad5fdc39f6b08ee764de043ea89f7984b6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3FB | 17684 bytes |
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