MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish for information. The presence of 'cmd.com/data/files/' in the document text, alongside the ML classifier's high confidence, indicates a strong likelihood of malicious intent, possibly involving the execution of commands or downloading of further payloads. No scripts were extracted, but the overall structure and URL findings point to a downloader or redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://cructi.ru/uplcv?utm_term=windows+8+pro+build+9200+product+key
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbcbe44d31---32356541763.pdf
- https://spa-salon.ru/ckfinder/userfiles/files/15917944517.pdf
- https://eseninternational.com/uploads/files/45496963755.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613707b039892---1344579853.pdf
- http://nigerseedindia.com/uploads/pilubedonatumetif.pdf
- http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/famezolofoji.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16141eefdc2401---26401412182.pdf
- https://kingdomofgodmn.org/userfiles/files/53626418056.pdf
- https://gulfsupremesa.com/ckfinder/userfiles/files/15397130300.pdf
- https://piti.leaddeehub.com/userfiles/files/rulafenitilenumogu.pdf
- http://the100voicesofgospel.ch/fichiers/newsletter/file/74932562580.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/161395edd86ed9---84591852100.pdf
- http://marine-inox.com/i/File/63793024371.pdf
- http://energo-market.ru/sadm_files/34666524057.pdf
- https://kaowei.tw/image/files/20210917_041721.pdf
- http://allasclub.com/campannas/file/47708265179.pdf
- https://daulte.com/ckfinder/userfiles/files/72729055867.pdf
- https://sanghvicranes.com/staging/media/xakekuzusax.pdf
- http://robbes.nl/media/files/63100103348.pdf
- http://dalnoboy.org/data/filestorage/upload/files/fezusinimipuwegifem.pdf
- http://qdcmd.com/data/files/nonuwaritofemex.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132b55ca2f1a---10116009601.pdf
- http://tdvvietnam.vn/webroot/img/files/nafixusepon.pdf
- https://nuregio.de/wp
- 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_off0000db0b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0B | 16792 bytes |
font_01_sfnt_off0000f31d.binfbc25865eb443cfa68ca3d47a3bcc647306f64b36af076d1e90d32d727a594bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31D | 18672 bytes |
font_02_sfnt_off00012364.binfe23b0d27d77b41f46650253344ebe3f36643cbb52f086aac022aa27e208b791 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12364 | 11488 bytes |
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