MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links pointing to compromised WordPress upload directories and disposable hosting. These links likely serve as a lure to download further malicious content, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
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://dukupahit.com/contents/files/gubujuxemosilopabawikabi.pdf
- http://astorandblack.net/emailer/userfiles/file/puzesulipiz.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebec75a866---5036207480.pdf
- http://indemo.pl/Image/files/ziwasiwoji.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135c1098b29c---kamasuzer.pdf
- http://studioassociatoemc.com/userfiles/files/74089780881.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/9598892802054983dc7a3bab195b8687/fenudadenugijuzeke.pdf
- https://barcelonamedicalcenter.com/files/galeria/files/zedewagifunewireret.pdf
- http://phanmemerp.vn/attachment/files/mejibalidam.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410d5abf3a5---66699926323.pdf
- https://ku4ysk-9lgp4y.com/contents/files/jolaxipiselususa.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e95325525---33596044612.pdf
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/54292428084.pdf
- http://nigerseedindia.com/uploads/67463541597.pdf
- http://nuovartea.eu/userfiles/files/puxuderipolazeti.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/6839f7cc85316bc2710474159c243378/6558673336.pdf
- https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/3460419093.pdf
- http://chenruichem.com/upload/files/45210725854.pdf
- http://neodentpetrosino.it/userfiles/files/tagedejofegojegemafifoti.pdf
- http://kursverwaltung.fit-n-essen.ch/ckfinder/userfiles/files/nosesowukijuvikefefen.pdf
- http://www.sictombbi.fr/ckfinder/userfiles/files/71503101991.pdf
- https://atlastoursntravels.com/userfiles/file/27986989105.pdf
- http://vidiniaibreketai.lt/userfiles/file/xalasivilawatubasaro.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=modern+strike+mod+menu+apk
- 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_off0000e58b.bin93a7513edb8186773fc5cd272baa4afeaf09cff0a37ff765200aa6e370b5a527 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE58B | 10692 bytes |
font_01_sfnt_off0000fe0e.binc7d2cd8dd6e909b299f3d569fd1cfeef15c61c348015b8d6132ea69b73b5afb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE0E | 17784 bytes |
font_02_sfnt_off00012ca9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CA9 | 16792 bytes |
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