MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is a common technique for executing malicious code. The file also functions as a link farm, directing users to multiple compromised websites, including those hosted on disposable domains and WordPress upload storage. These factors, combined with ClamAV detection and ML classification, strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://kcde.kr/userfiles/file/13367429710.pdf
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/70740345923.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/82e916c434d9c822ccaacd124396eb55/bebezapiwefeviganugiwive.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/j4q0iji8j7pmlf7n5rd8vn1d70/34018231034.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160c5840ad7bea---vogufibizabag.pdf
- https://dichvumayphoto.vn/webroot/img/files/60277972850.pdf
- http://thaoduocvn.com/userfiles/image/file/85688061993.pdf
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/ditebikomazi.pdf
- https://muzeumkonstancina.pl/attachments/file/varunevurekaxusobu.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac652aae100---50909389147.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d4e9bb91f---87943198249.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c594c98b69f---22290084517.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/te8fd083isl8783cg77kke4cpb/dopaxef.pdf
- http://creptiles.dk/userfiles/file/dogute.pdf
- http://fobosgrunt.ru/files/ckfinder/files/7491860154.pdf
- http://quickvideo.nl/userfiles/file/lifefavizulodijatoguru.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/7ui22gt0rnoqrfh6a9l4f8lbi1/fosawufatejanax.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075f64b09337---66580919709.pdf
- https://ipic.vn/userfiles/file/mibomewibowawekikode.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/5hhidqa61fmd7p2f97vnhjsmp4/39943822228.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45840da31a---92843456093.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/1095e61b5a0a09e7ce0d24be50393f4c/tuzukorugilenavigi.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d012740996---30664739330.pdf
- http://pillshop.ru/uimg/files/66235002164.pdf
- http://eldmsh1.ru/js/ckfinder/userfiles/files/59058014313.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=diploma+in+automobile+engineering+syllabus+pdf
- 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_off0000be9a.bin6e50bf8db1322ea768d4a5159db014cc00374be917202269ada3e2cb602a1d1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE9A | 11196 bytes |
font_01_sfnt_off0000d857.bin6bdfea21401c831efb69904b75137963eb9e715103390e9da1e0f2f424ccd792 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD857 | 16436 bytes |
font_02_sfnt_off00010285.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10285 | 16792 bytes |
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