MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains numerous external URLs, many hosted on compromised WordPress sites, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of a 'lure' heuristic indicates the document likely instructs the user to enable macros or editing, a common tactic for malware droppers.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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://laborke.ru/uplcv?utm_term=man+made+resources+in+the+northeast+region
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/f0abbf0639a51db6541ccf7b496e57bf/60295545311.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/15e70dd8dabd8b931dcfb09e46e26d1b/momabamiva.pdf
- https://atlastoursntravels.com/userfiles/file/fifetuwowokijoxulu.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5899253e3---fabuvafifesadipisu.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7c68a8ca9---45111170403.pdf
- http://ajtoablakcentrum.com/_user/file/kedazunuxavanotitolojop.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/ac0f2f4c84d07ade3c3b5396bc04f790/42595952227.pdf
- http://nnrhc.com/clients/9/98/980d61ede38c9a35fe3396fb65651545/File/lavobizazurajesezopad.pdf
- http://wildpflanzen-planung.de/file/27923113921.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/96ff8876b034c58d4e9b17e4bf6d5bce/gobedubalato.pdf
- https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/muwesubanefedita.pdf
- https://hophamthaibinh.com/upload/files/86225905039.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2782c290e---97736989718.pdf
- https://advance-pack.com/editor_upload/file/88816459834.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/9bc979821d819f95802a32e36084c1c7/55850393909.pdf
- http://www.celso.org/download/25894267167.pdf
- http://ankurgroups.com/userfiles/file/lefikanekuvumam.pdf
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/llmkb23sbeuk0qp4a0shp3nogd/kimipedolajinipix.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/7ce45243d076fdf8852178fb43f8fec2/ferojiweb.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/978bb2ee9d86cd03cfe12666ceb864a2/nobazutudopi.pdf
- http://fastgood4cheap.com/clients/4890/File/54443605094.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/a7dmepa2f8s1ffrs91bgpm3vrs/nowaro.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_off0001468a.binba5a18a58255aaa5fb239ab84c9f3ce694ef331365b6545169a5849f3bc92b65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1468A | 16852 bytes |
font_01_sfnt_off00017288.bin90fafc030261b89b4a74ae8692d69d1fd389afcb8456b6583dc1ff2d342a54ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17288 | 10864 bytes |
font_02_sfnt_off00018b36.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18B36 | 16792 bytes |
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