MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is structured as a link farm, likely to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
Heuristics 7
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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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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 https://dpdpunjabi.myskoolapp.com/FCKeditor/FCKimgUpload/file/63731451402.pdf
- https://suthuytinh.com/app/webroot/uploads/files/46466492028.pdf
- http://dotbamboo.com/file_media/file_image/file/41165359455.pdf
- http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/53626190792.pdf
- https://hoangphatdanang.com/uploads/image/files/87853134941.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/8e396ba6f5dd14a4bffaf6eee4b604eb/89629687272.pdf
- https://ipmgrouphr.com/uploads/news_file/98247309857.pdf
- http://divelife.kz/files/file/dumemipizafozenajifa.pdf
- https://olivier-daulte.com/ckfinder/userfiles/files/wugalumeje.pdf
- http://abacusnancy.com/userfiles/file/puxorevamasotokopi.pdf
- https://cakesandcupcakes.net/userfiles/files/luneripaxodijivu.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/835105d7ea8b63ae3632db53cf9ba183/rokobug.pdf
- http://capesociety.ca/uploads/files/rulezokelilezo.pdf
- http://wakabaeducation.com/userfiles/file/83900730178.pdf
- https://ladymamashop.com/uploads/files/202109302305202999.pdf
- http://shih-tzu.ro/files/file/58998277272.pdf
- http://gutachterbewertung.de/userfiles/file/savuwafubejinakikuzeri.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d6ae380847---vesuwenopemokababefajoje.pdf
- https://sudahhabis.com/contents/files/jenojibexa.pdf
- https://sma-dfgg.org/site/admin/file/rimifetawab.pdf
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/fupuziv.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/806llgtfqqp19qkntg8keieiif/zetosawosemimukujivasog.pdf
- http://geriatriccarenewjersey.com/userfiles/files/kixigorezuxoxekijax.pdf
- https://mkart.it/uploads/file/doraru.pdf
- http://yuemeism.com/uploadfiles/files/wakizawefolilewiduteter.pdf
- http://lj-group.cn/upload/files/fonexej.pdf
- https://beysukonaklari.com/ckfinder/userfiles/files/fugamumuwexuvemumupix.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=in+the+teeth+of+idiom+meaning
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8fb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8FB | 16792 bytes |
font_01_sfnt_off0000e112.bin02df77863d67d6408c34f13b571cea7cc18aa39f08ef8e974bd0e3cf0b5c6177 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE112 | 10440 bytes |
font_02_sfnt_off0000f84b.binc2fb0ac7f0a5cfd388f2782759f9e548369871ced89fb711530a5ee77aa885f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84B | 17896 bytes |
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