MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the PDF functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://izeninfo.net/admin/upload/files/levolanunopugup.pdf In PDF document text
- https://philly.drinkpoint.com/uploads/files/4291791152.pdfIn PDF document text
- http://odumakus.com/uploads/files/95423835434.pdfIn PDF document text
- http://opuspointpartner.com/ckfinder/userfiles/files/xojasipejadapavex.pdfIn PDF document text
- http://cleanking.net/userData/board/file/69155415241.pdfIn PDF document text
- http://lachina.cn/upload/file/marurosulezole.pdfIn PDF document text
- https://celebicatering.com/upload/ckfinder/files/88556193631.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/vaxofejukumon.pdfIn PDF document text
- https://terracetemayonetim.com/upload/ckfinder/files/kepuditevajubedut.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/jumuzib.pdfIn PDF document text
- https://castel.ro/userfiles/file/mesumilu.pdfIn PDF document text
- https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/67924835154.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/954103848ed7ca2267dbbf3353dfb840/daped.pdfIn PDF document text
- http://kingsfci.com/userfiles/file/wewojiwasawuzo.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/jidedadofuzos.pdfIn PDF document text
- http://alkanboya.com/files/file///44527072598.pdfIn PDF document text
- https://812423.situshoki1.com/contents/files/pogesobe.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16144a14292677---levezasazonin.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/tevosuvokozegipesufidaz.pdfIn PDF document text
- https://honghow.com/ckfinder/userfiles/files/nomebefosivibel.pdfIn PDF document text
- https://simorgh.it/uploads/file/fonapukeredisuzexav.pdfIn PDF document text
- http://moderncarrent.com/user_img/files/wajolaxiginit.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139a16704013---66775933965.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/e232342c37a054f1fc3b94573daded37/kunezojeloxigaduxusof.pdfIn PDF document text
- http://hangnhatbanonline.com/upload/files/46719470554.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=web+series+download+app+freePDF 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_off0000b51c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB51C | 10612 bytes |
SHA-256: 594ef25ac1c5043c065ec77b1335dbc4742a801abaf16332b20e6ff69c6d00ca |
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font_01_sfnt_off0000cd44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD44 | 16912 bytes |
SHA-256: e19e9784e44685c741ecc08780830ddabd7f86eb12e540565cdf3cb4c9a24b1a |
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font_02_sfnt_off0000f848.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF848 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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