MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating it likely contains malicious content. The heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. These URLs are likely used for phishing or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://oniceh.ru/uplcv?utm_term=how+to+turn+off+photo+sharing+on+android PDF link annotation
- http://dichvu12h.net/userfiles/file/ruguzugawutesosilax.pdfIn PDF document text
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/mitupuwonuwutirisifubodum.pdfIn PDF document text
- https://suprizpin.com/calisma2/files/uploads/76934092448.pdfIn PDF document text
- http://longarmquiltacademy.com/fckeditor/userfiles/file/43727311913.pdfIn PDF document text
- https://schachverein-marchhoefe.ch/fcsr/news/upload/file/dewoxivujubinukokadis.pdfIn PDF document text
- https://skywaytravelandholidays.com/ckfinder/userfiles/files/50702863918.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad2825976b---zevabimez.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021090819184082.pdfIn PDF document text
- http://le383.com/uploads/files/xotoranajitobadu.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/77042526196.pdfIn PDF document text
- http://dreambeauty.kr/upload/fckeditor/file/78993227875.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/gutonawefexofamanu.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3dd624da4---pifinanomasanidevafag.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/kpep3umoag3nl5befmcd1frqqn/50380426465.pdfIn PDF document text
- https://keluargamimpi.com/contents/files/41766665397.pdfIn PDF document text
- http://heaig.org/editor/ckfinder/userfiles/files/14917991228.pdfIn PDF document text
- http://villapellegrino.it/userfiles/files/96245205204.pdfIn PDF document text
- https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/03344fd6573f909a8d4eceb613dce4df/4278277787.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614646402cb9e---65063616386.pdfIn PDF document text
- https://alteanetworks.fr/img/file/rerudulubabul.pdfIn PDF document text
- http://b2cdemo.tickets.com/content/files/tisawogamunaf.pdfIn PDF document text
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/2c259bf6770099d64e46733ba19b26b8/marefefulopekurometod.pdfIn PDF document text
- 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_off0000b82d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB82D | 10776 bytes |
SHA-256: c2dd1425987a1ce2521bb88e614655c5591c2f5463112ec465cd299b39a8c8e0 |
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font_01_sfnt_off0000d0b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0B8 | 15976 bytes |
SHA-256: ce721499d4a98ed7698814a1805a4bb1ef40ff2ec65b90ea549ad45e621931b2 |
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font_02_sfnt_off0000f91f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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