MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.celso.org/download/bujilu.pdf In PDF document text
- http://growlink.biz/userfiles/file/32127403362.pdfIn PDF document text
- http://zonazero.es/userfiles/file/dazuni.pdfIn PDF document text
- http://doctour.hu/uploads/ckfinder/userfiles/files/gavemibubuni.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/8ad2ec2670393a72611129f66fda680d/xegiwat.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133b39c8c39b---xalezibe.pdfIn PDF document text
- http://artiguardia.pl/userfiles/file/zuxobakirumusakilogadume.pdfIn PDF document text
- http://eastcity.hu/ufiles/file/movifevobu.pdfIn PDF document text
- http://highspiritsmusic.com/ckfinder/userfiles/files/surutiwejowewagagalulo.pdfIn PDF document text
- https://noticky.net/akce/fotky/file/89666074086.pdfIn PDF document text
- https://przyklejki.pl/userfiles/65190628733.pdfIn PDF document text
- http://cropscipublisher.com/files/upfiles/file/balulipukuwumix.pdfIn PDF document text
- https://wspaperbag.com/userfiles/file/28383616254.pdfIn PDF document text
- https://arbormaster.net/uploads/files/67142371451.pdfIn PDF document text
- https://duvarkagidierzincan.com/userfiles/file/66998217910.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/8e0904519accda3fda575f93259fd88b/62805639896.pdfIn PDF document text
- http://le-nora.com/userfiles/file/81407806271.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/35310043019.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/35220080420.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/16686616086135184da599c.pdfIn PDF document text
- https://groupburuemas1.com/contents/files/poduvate.pdfIn PDF document text
- http://champagne-marc-chauvet.com/images/files/rotezutigezenap.pdfIn PDF document text
- http://iseveranscopy.com/upload/editor/file/86858637305.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=the+immortals+of+meluha+free+pdfPDF 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_off000127d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D0 | 18608 bytes |
SHA-256: 938a69b300da02f10126a0fd56916a11959edcb48b2b8b80cd978187e7ea655b |
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font_01_sfnt_off0001585d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1585D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17074 | 10720 bytes |
SHA-256: c4f47b6caf34fe37dc86e37d990d9de5a1d297a326d7a7f323aeee099dae43cd |
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