MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed for malicious redirection. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://oticonshop.net/ckfinder/userfiles/files/zeberadug.pdf In PDF document text
- http://russkiivopros.com/images/FCKeditor/file/gusewoxupa.pdfIn PDF document text
- https://ctners.com/ckfinder/userfiles/files/gakotatulu.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/ee6f2e415afcf40b61907028b529ec0c/62481612561.pdfIn PDF document text
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/9ea3ecda23483a18040dcf178847de67/joxubesozakexenonopok.pdfIn PDF document text
- http://simkoongschool.com/uploads/editer/files/24869027515.pdfIn PDF document text
- https://aodaixuan.vn/app/webroot/upload/image/files/gubiparim.pdfIn PDF document text
- https://medicabg.com/uploads/wysiwyg/files/pimudevitexogobuzafidosur.pdfIn PDF document text
- http://serextion2006.com/js/upload/files/zusizodovi.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160752c3582fa6---67785122126.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/5849392580.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/78911986724.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/xubafofowabid.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b088f9b857a---48430631951.pdfIn PDF document text
- http://bundoreh.com/fckeditor/files/file/gewosowagagajovururutike.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871c5dbd206---gekinurovevuxoladag.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/1fc5b167872e27e57f4c5c5c5aefef2e/wumejirojijiwamiwazolufor.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/7ad73513223b8648e8a87c3b4bc75c88/jitarafamanoz.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/598b2e8a577d421e55350e8df664f7f6/26427552123.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/94ccc7b12ebd8b15e5be974d112b7de8/64905980595.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/c8f3b966539e55ca7bbd03333df24c9f/84321630271.pdfIn PDF document text
- http://dawahcity.com/userfiles/file/jalarebemulenobowaw.pdfIn PDF document text
- http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/75603975527.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160bd354f32a08---doremesinidukaxatef.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/2ae1f4d7b4801c46b2f3c658919b4a3f/boxiwofisifimusu.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16073f2e6e92fc---79118878667.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=pokemon+go+spoofer+apk+2021PDF 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_off0000f71d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF71D | 17148 bytes |
SHA-256: 8a57b4dea030ebdbc05d064d27923e6a99a267edd88bbd69d1841b22b0fdf918 |
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font_01_sfnt_off00012374.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12374 | 10852 bytes |
SHA-256: a337ee9dc3467cf90d1e6e0c75ff21d11ddf2fcec2ad04c74591a35fbdbc5990 |
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font_02_sfnt_off00013c9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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