MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan payload. It contains numerous links to compromised websites, suggesting an attempt to redirect users to malicious content or download further malware. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ketchas.ru/uplcv?utm_term=cbse+class+8+science+chapter+1+solutions
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bda3147c9---9293491287.pdf
- http://diversecityuk.com/userfiles/file/33650963891.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ed6oouucdhd32dh2hsbpijfl47/rolimixazobidevakupigapud.pdf
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/44725ceefe920030ddf52f16e80491c5/59019953305.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/172qbckr1vduuigoems65oi9h0/porebonofaxojokofido.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/28805edef64f837d709ae0e7ca614471/sezawowivonupizak.pdf
- http://igigeothermal.jp/userfiles/file/38398973712.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/475b1a844af15a562aefef2e6db7121b/65821349262.pdf
- https://muguet.fr/sites/default/files/file/konifuvapupiv.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/letl9cp1t9lgnre26tpo6kltq1/fapelodebosa.pdf
- http://vitalbafitnessclub.eu/userfiles/files/24487135087.pdf
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/foradixelatepi.pdf
- http://josephpowellfamilyreunion.com/clients/0/04/04c15d356d3082020e114f8c0300f46e/File/95774842718.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/88644df798531f5d59574072beb6f859/9593278078.pdf
- http://aplus.to/userfiles/file/24502939669.pdf
- http://aire-limpio.com/img/editor/file/murugefetefunerarow.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c183788b20b---duxugivujejodu.pdf
- https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/6b5300176db6f4438e9dc03d035d97bc/42424714385.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160843a0c349a9---56278605490.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/05f4c2691490f29c240b0b5021c3ad7d/nakisubulav.pdf
- http://www.buildingmalawi.com/images/uploaded/documents/45231548579.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078446be1a00---zarebigalimuzovubo.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb5089d8e2---rowoxa.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_off0000f05c.bin740bbb3a5618b706e48808c2210a6b3bfd7cf3f50e2795e546af9b4ee03fa626 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF05C | 16516 bytes |
font_01_sfnt_off00011b30.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B30 | 16792 bytes |
font_02_sfnt_off00013347.binb1b29fb46393a5813992ec46d6bffcaa49886c195b89b758bc257745ba7f038b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13347 | 11000 bytes |
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