MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to websites hosted on compromised CMS platforms or disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://tranthachcaodanang.com/uploads/image/files/4486659835.pdf In PDF document text
- http://dietetyka-24.pl/images/files/dogunupubajif.pdfIn PDF document text
- http://brukbet.com/user_images/file/kuwifal.pdfIn PDF document text
- http://comlark.ru/userfiles/files/zedafawerezawo.pdfIn PDF document text
- http://oris-am.com/editor_up/voxanof.pdfIn PDF document text
- http://yule-sign.com/upload/editor/file/20210902070100.pdfIn PDF document text
- https://dpengineerindia.com/admin/userfiles/file/71190478473.pdfIn PDF document text
- https://vjlabor.pitscovn.com/uploads/Upload/files/59785821035.pdfIn PDF document text
- http://eg-connect.com/uploads/editorfiles/file///12956020424.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/4898bddb012939242149820063a51d48/mexejirivitobebuketoxe.pdfIn PDF document text
- https://foodthings.us/userfiles/file/zinirategibajoz.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/60533731846.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/23993933622.pdfIn PDF document text
- https://pachetedeturism.ro/images/files/43009492303.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/1u6efc4scm6dq4gash85fpae72/86527170183.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16140f0989dfb5---tujuzis.pdfIn PDF document text
- http://homelife-superstars.com/image/files/lukikarukotukuzesirisavuk.pdfIn PDF document text
- http://jmk.kr/ckfinder/userfiles/files/vorojajasapasulek.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/vuccjjia5hro3i3da5uicrpsm6/12148933536.pdfIn PDF document text
- http://topmebli.com/content/xuploadimages/file/davevijobutaluzidalogor.pdfIn PDF document text
- http://cnhhgj.com/upfiles/userfiles/file/26459310134.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/11079675198.pdfIn PDF document text
- http://rollfactorytogo.com/uploads/files/25694558383.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=best+free+ringtone+maker+for+iphonePDF 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_off0000ea3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3F | 10904 bytes |
SHA-256: 25ced522e46e81530ac1922b71ecff7ac85a0e649d10416979a4b2f986344d0f |
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font_01_sfnt_off0001035b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1035B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B6D | 18684 bytes |
SHA-256: a5adae01c7a41c1b4b6199788491114a488292ee5ebb0068d119e7362b733677 |
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