MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
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 WordPress upload storage and other disposable hosting sites, suggesting an attempt to redirect users to malicious content. The presence of a visual download button further supports a social engineering lure to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://crysiq.ru/uplcv?utm_term=certificate+of+appreciation+to+donors
- http://arci-mp.fr/admin/File/vitejolipezulusemazi.pdf
- http://musiclivemarsala.com/userfiles/files/7162626052.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c966da3c72f---zuwuzelerapa.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16085dc24dee9a---75855906638.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/51bd79851d297f892595217b1e480149/5291834667.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160738afdcc143---mowimirevivizev.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/6d47900f57171760ef84729299830b2d/30229000626.pdf
- http://markone-tools.com/upload/files/xaripunagetugemilidos.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811e89e54f6---59803385385.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609269adbbbd8---76564679386.pdf
- http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/4743114153.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16076e06b2b5b1---zivawigitowojuwapano.pdf
- http://polymer-optix.de/userfiles/file/meberopemofoputubolepafe.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717416d2e18---newuvikijafiwukonu.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cacb74588c---watamiv.pdf
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f2771dc18---xenumirobidikatezam.pdf
- http://linuxnewyork.com/draft/media//88994540600.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/9q4su2p3said7ekk9t0031gec5/86746910200.pdf
- http://bangkoksolarpower.com/syner_upload/images/files/951109987.pdf
- http://bezpiecznamlodosc.org/files/file/toraz.pdf
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16088ee623e028---88767445857.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/1op3ovk368dnea05m2l09todo2/20792963794.pdf
- https://aimara-bg.com/userfiles/file/91823482519.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_off0000e1c7.bin7f2016cdb18873a83334262ac44428972e83426391baf8ecb6e4ccb042ff7648 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C7 | 17104 bytes |
font_01_sfnt_off00010ead.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EAD | 16792 bytes |
font_02_sfnt_off000126c4.bindf67d6a41724d1037618863682d65ca3e8a5d5312bfcbbecd1f6e368d78a80f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126C4 | 10596 bytes |
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