MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://vantaidongsaigon.com/uploads/files/rifafijazokagakevujo.pdf In PDF document text
- http://schokofontaene.de/idata/tuvixo.pdfIn PDF document text
- http://aaykpn.com/uploads/editor/files/laxurafipitegekogimupi.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305d04b8781---puzafu.pdfIn PDF document text
- https://atlantidegattico.it/file/13331971307.pdfIn PDF document text
- http://azizolace.cz/images/file/zewikizulanezub.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/49125ec55bb470c78a369cbfa38edeb5/18415225580.pdfIn PDF document text
- https://rakowka.pl/userfiles/file/98776322157.pdfIn PDF document text
- http://phrabat.net/UserFiles/File/sedeg.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/visumekegeker.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///xulebomodinivolazan.pdfIn PDF document text
- https://fo-prefectures.com/pages/files/xilesirusifi.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021090723021850.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b963c95a3---tunukosobebamawizuvexu.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/76065922786.pdfIn PDF document text
- http://magendans.com/imagefiles/file/nomofusipar.pdfIn PDF document text
- https://inmaabiladi.com/userfiles/files/jopasaduzivijuseza.pdfIn PDF document text
- http://tourister.kr/userfiles/file/72791657004.pdfIn PDF document text
- http://www.mmalappeenranta.com/tiedostot/files/60386315846.pdfIn PDF document text
- http://shippingengineering.com/files/ckeditorothers/27181375359.pdfIn PDF document text
- http://gerocuki.hu/user/file/xujabidegowojedike.pdfIn PDF document text
- https://orangcar.com/app/webroot/upload/files/26668238770.pdfIn PDF document text
- http://bon-mar.com/fck_user_files/file/jirivebojizajazovezu.pdfIn PDF document text
- http://dailymaytrogiang.com/userfiles/files/pepidixiwinitajapusufi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=free+holiday+emojis+for+androidPDF 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_off0000b58c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB58C | 14444 bytes |
SHA-256: 4f30ae8ddef36043919e0b2972503d32dfce3f71eb5ce86c593185ee135879ce |
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font_01_sfnt_off0000d941.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD941 | 10740 bytes |
SHA-256: 9dff94868e98d9100a916c8fbf0823363ea375349b814daf59e35d64d2165934 |
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font_02_sfnt_off0000f1ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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