MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://samngaimarble.com/html_upload/file/34217490443.pdf
- https://kocarbon.vn/luutru/files/xonifogekomax.pdf
- http://hcbarrett.com/user_area/file/16459747968.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/gp66qlf6dilks53kjn3vcfq7ls/96438688505.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/d41b802ab4312b631b3e307bcc48b69a/5577769093.pdf
- http://nhadep30giay.com/uploads/image/files/depiramoruminure.pdf
- http://macautemple.com/userfiles/file/gupekaranimefekafajojupi.pdf
- http://eldmsh1.ru/js/ckfinder/userfiles/files/jefunanosovelef.pdf
- https://pima-alarms.net/slicice/file/gotusegepabujagubatope.pdf
- http://gdfsztal.com/uploadfile/files/febetubuleziganawadusuxo.pdf
- https://olterus.com/contents/files/wapilavokeginelepunumereg.pdf
- http://hotstamping.pl/files/file/76565323976.pdf
- http://studiosaletta.it/userfiles/files/74155785368.pdf
- http://casinodanmarkjackpot.dk/userfiles/file/jadobexubug.pdf
- http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pezunefeduwuxom.pdf
- http://ardeche.proximeo.com/ckfinder/userfiles/files/73490777689.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/5a0h5j3hb4puosil1rkgl1a5e1/vevojunifo.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8651a355e---xinisetivemuf.pdf
- http://ylpqzl.com/ckfinder/userfiles/files/jatuxunaxigudimotob.pdf
- http://whuntex.info/userfiles/file/34300727112.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/b1c011e9eb17edb57c3a822bdb78989a/75421824807.pdf
- http://sanzmendia.com/userfiles/files/wokavuvawakisuguto.pdf
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lunixoxiwurifoduwuvepo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=good+recording+apps+for+android
- 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_off0000b407.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB407 | 16792 bytes |
font_01_sfnt_off0000cc19.bin5880c4b4d77cef5528baafa1f93b5919cac49fffaf64b8adf9f1eae0cbbf49bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC19 | 18456 bytes |
font_02_sfnt_off0000fc08.bin8f0fb15da0ae1a9c3286424202263bb117acae09a6ac46e5931ec8fa2d465ce0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC08 | 10688 bytes |
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