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 are part of link farms, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly suggest malicious content, likely a phishing or SEO manipulation scheme. The presence of multiple links to compromised CMS upload directories further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://gotoippc.com/ckfinder/userfiles/files/46184984184.pdf In PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16140c85ecaa9c---34548983835.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/wumonavarep.pdfIn PDF document text
- http://security-m.jp/tool/images/file/fulonezonofonazolo.pdfIn PDF document text
- http://forglory.cz/ckfinder/userfiles/files/27695067506.pdfIn PDF document text
- http://eiak.org/upload/editor/files/62428103061.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1bf36353d---32986623226.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021091018025377.pdfIn PDF document text
- http://mp-journal.com/media/file/24493296619.pdfIn PDF document text
- https://volandovia.it/public/fileeditor/file/gexuwofugisumugolabaduno.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e288271eb4---71459735401.pdfIn PDF document text
- https://nazragame.com/calisma2/files/uploads/5055886623.pdfIn PDF document text
- http://cuacuonductudong.com/upload/files/rukexudomuxegixu.pdfIn PDF document text
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/53250775831.pdfIn PDF document text
- https://altonika.pro/files/fck/file/sisos.pdfIn PDF document text
- http://orderleesushi.com/uploads/files/dupefazisilotiropo.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a9656f171---6491584318.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/39a469ce300f2adba1015eb8a73968de/wajafubopemenanopupelole.pdfIn PDF document text
- http://bimbrlata.cz/UserFiles/File/dawuvonijuzudif.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/561cb7b3a8b5d5449ad5d36e950f9bc7/18967969315.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16136cd98c642d---1993137703.pdfIn PDF document text
- https://dottoridegregorio.it/public/file/76773975156.pdfIn PDF document text
- http://gewoongroen.eu/app/webroot/files/userfiles/files/zizaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=hole+io+2+player+gamesPDF 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_off0000b2ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2ED | 10616 bytes |
SHA-256: d53dff8475f3eb13b3c136a17098274d7d6571f6b61a1776948712562f4eae22 |
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font_01_sfnt_off0000cb3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB3D | 14976 bytes |
SHA-256: 2342352881057bf58df5d3759098be0c5b8bb26c12f4d7a6144a77ca7a94df13 |
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font_02_sfnt_off0000f11b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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