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 it is likely a phishing or trojan delivery mechanism. The presence of numerous links pointing to compromised WordPress uploads and disposable hosting suggests an attempt to host and distribute a second-stage payload. The heuristic for a visual download button further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://coretry.ru/uplcv?utm_term=floor+puzzle+for+bank+exam
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/03a529fd73b650b5a6ada37057ebe84c/54172374137.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1607db0f958833---vixibazilenaruwupap.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c0cc97757a1---serukobepibotorada.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b0db9d933da---54692574948.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/cb301a2afba3a46f6d2745e73c1f34d6/zagerotelufitimudupa.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/803bbf0ade78f33c4e013e0c647cda40/subajunis.pdf
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/28ah4lq3ni5vec4q5thlvpufs1/43734472213.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb8e17dfe84---41507880377.pdf
- http://harasim.cz/uploaded/files/28411821477.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f97a5a6ef8---dekusurepewuju.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad819680cd1---57719308745.pdf
- http://anhbanglaw.com/userfiles/file/58548545964.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f04a444be5---delenerapufim.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2aea5da942---dagivuzometota.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/e52e5bfbd2fd1ec2b179313b104e2c4d/61792235122.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/dp7je71l3o21tburc7gtf2r6tg/viboresarovizutasuluzor.pdf
- http://envigest.cz/upload/file/54464225520.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/28a744154c94f44435a8a10e2e232f6b/38129133650.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/e121b957f9c473768f308d0c9eb8c660/latixig.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/c1507b3b07e0b65e3fa67fd6724f2992/32551075011.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/6e4a69412bf6f806251be9e44a98fd47/wumagonedevowerexadasak.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/7e988d2ba667e17d2428576da0be8e4d/kexupomunedijixivumopijug.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_off0000e209.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE209 | 16792 bytes |
font_01_sfnt_off0000fa20.binef7dbaaa3b9159933aa017e12152e949898f27988f1755b3f7d0fbeb5c6d5ba9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA20 | 10632 bytes |
font_02_sfnt_off00011234.binee4aa2e7972d6c5eca8778191b734acd53eecd6f9f0704a450cd4076f85c6aec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11234 | 17620 bytes |
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