MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm or phishing lure. The 'ML_NYX_PDF_MALICIOUS' heuristic and the overall structure indicate a malicious intent to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains references to 'Perfect world mobile quest guide' and application metadata, likely serving as a deceptive pretext to encourage clicks on the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
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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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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://medvor.ru/uplcv?utm_term=perfect+world+mobile+quest+guide
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/386dc888b51cd4c490fa3a11b3eea59e/gakekesarabodobuz.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/3476366e21a0596af5c37d1e7bb7c856/99631615471.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160a347ee915a2---13052293342.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/33dfa3d0f001cdae4dff61372e8e728d/pumalitofarujat.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/3a166c7bcceb5ae03321f72dd94443ef/zozosel.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f20312118c---19935811148.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a9874d423---73535315998.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1174335f1---naligixekifotupowaguwib.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/4aeb4149d42de58031352650330c6648/22849490760.pdf
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/b0401egdnj0uorc9qg76fqqc27/selewiroxitanena.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073bca491113---14358900305.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/eaf5f300f5c4b20054037a50f2d1c923/20888064045.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b7d016498---vazoxesizixesumulinade.pdf
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/1d6ebd5534982618a9229adda93feeb0/nepibugamepaseduni.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/86a31f438d0671d2a3c5d5751a70c184/88978575580.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607263253de52---xusulelisotekarubanegaku.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8d676f6f0---99595299180.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/aa6911fc8c30e5ef80b7773071c31246/70720428162.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef15.binf9310f34d25a640977d4b0cc89e0ffd1137fb985956870fcfe8b681178bb5a13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF15 | 5488 bytes |
font_01_sfnt_off000101b4.bin318f550472700b88a694f7932acec9b9a11fc9cfc185054d1cdbea00853f1aea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B4 | 11236 bytes |
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