MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to other PDF files hosted on compromised websites, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple unknown PDF URLs suggests a broad distribution or redirection strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/b5f5d3123aecc40e92ba5b32f9482694/biwawulufoxidarepinav.pdf In PDF document text
- https://annjulieskarpmo.com/userfiles/file/7149740485.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/35696095676.pdfIn PDF document text
- http://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/24339664508.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/4f1ef5a103779e740d82b610b85361b4/vogonaxozavakozusoduzu.pdfIn PDF document text
- http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/ragapogilemoxegu.pdfIn PDF document text
- https://okna-stv.ru/userfiles/files/saseginoba.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/kanawuselomuxaxazoritet.pdfIn PDF document text
- http://cooleywestbrook.com/clients/865832/File/30155508419.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/sur88lafv1s3vpfi0nhg87r3b1/96847609111.pdfIn PDF document text
- https://jin-ji.com/upload/files/xeliluzinirorosadetagis.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/46093121870.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d2ed0a285---57418216102.pdfIn PDF document text
- http://moonlightmontessori.com/upload/files/81956632465.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f4cc808c0.pdfIn PDF document text
- https://open-call.fr/uploaded/files/xiwunezapajajoji.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/esg8melgfmrivad757u8q5av94/73617129044.pdfIn PDF document text
- http://asupuro.com/user_data/image//file/30078210492.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/juwilitukaremirajero.pdfIn PDF document text
- http://ewhamd.net/upFiles/ckeditor/files/28527034207.pdfIn PDF document text
- https://mccartha-cobb.com/userfiles/files/jagorajo.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/643ebe98161e19e15a4fb6161e133e41/44432417826.pdfIn PDF document text
- https://ewt.cz/res/file/darotemirilomugubiv.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/boxoxobolufebowefazoxexa.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7d96a1977---13374463862.pdfIn PDF document text
- https://tanasiri.com/piceditor/file/nevabusubomobaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=define+melody+in+musicPDF 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_off0000f51c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51C | 10492 bytes |
SHA-256: d65ee6cb63cd001d3dd7d3e777f3d2a9d435881be000c4e0e02e3742a03c2ebf |
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font_01_sfnt_off00010ce8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CE8 | 16868 bytes |
SHA-256: 9e5369ddc5fa7acafc4ac621c075fed29c2bada0c1144d2345431971078ccd8f |
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font_02_sfnt_off000138fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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