MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malicious content or phish users. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
Heuristics 6
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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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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 http://kartywspomnien.pl/uploads/assets/file/62938309000.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099ccc3ce656---5332047124.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16085c54e2308f---27904449882.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b31dfa7109---tigawatewavadodewe.pdf
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/c04f92fc5da60a1b24a60e74b0d54974/74234491120.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd790cfc53---64239274821.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/138475dc2fd7a56be905f40d1818552a/doxotevijomeretivabi.pdf
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/7d217f325ad3ff8c67cad38ee2289b4d/60375351324.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a1389cda583---16802563504.pdf
- http://yule-sign.com/upload/editor/file/20210529202151.pdf
- http://vienhung.com/webroot/img/files/kidadobisewemi.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ba624fa1471---delagavepo.pdf
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/4d78cb877d98c2071cd047f0f2f13ecc/15327232123.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2df2594d0---8144876609.pdf
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/5154d20ebcc50a79bff1411d92c29a43/61786786032.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16086e318ca15a---motemitadijezifi.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/1d5a71dcdc9a5f511fca5bee79683197/vikenagubakivafitodaruj.pdf
- https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/f1dc746f4143a95dc1e682cc161ca936/34910133074.pdf
- http://pushgroup.lv/userfiles/files/visugepikusunewimozux.pdf
- http://muzeumostrowiec.pl/obrazy/file/lobugedamaniburisuj.pdf
- http://billsky.ee/files/file/71449598971.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/e1c4bd9b8895b6e74b893a999a9717f6/vopek.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609683fd4813f---jonusurogoboxoke.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/66414515780.pdf
- https://aldurra.ly/images-editeur/img/file/11344202504.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607998bfa0cc7---tikudixaxusolodogot.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=covert+pdf+into+word+document
- 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_off0000ee93.bin11fda3a21e656ed7679cbb2b141add39c08302fa1bc05cdf82bca24e15e9d878 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE93 | 16580 bytes |
font_01_sfnt_off000119c0.bin07ec5d41eb9cbcc701c88a2b5d931707d1c80092dd294ca1031a0371c7b72f3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C0 | 10688 bytes |
font_02_sfnt_off00013251.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13251 | 16792 bytes |
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