MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This suggests a campaign to distribute malicious content through a chain of redirects. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://7seapharmtech.com/Uploadfiles/files/xumapekuvusesuwoxab.pdf
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/6debdc30a3978f24a8435ced64992f5d/rivaretebedu.pdf
- https://jjcfurnituremaker.com/userfiles/files/xemezux.pdf
- https://warungmimpishio2.com/contents//files/samal.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/29c693426f494484e0b0b1f4929c3208/30220683673.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef1a9eedd5---vilipozipimijamewazosa.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a03050a2257---sunasofusivofizigizokonib.pdf
- http://canvangdientu.com/images/file/49331153455.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3748fb4ad4---xedatupuge.pdf
- http://anhuizpyy.com/upload_fck/file/2021-5-10/20210510031241393820.pdf
- http://regimhotelierbucuresti.com/images/userfiles/60429569760.pdf
- http://studiotecnicoforace.eu/userfiles/files/lebepiregido.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/h22thnr26r4vd1qgt7e6u1u5vh/55731705278.pdf
- http://bernardthevenet.fr/ckfinder/userfiles/files/lofixaf.pdf
- http://posekatzahradu.cz/files/file/10824940892.pdf
- https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb472ca33c---toxipefesegerulukopuse.pdf
- http://qbcar.ru/ckfinder/userfiles/files/moxovosomotukatog.pdf
- http://allprintusa.com/admin/images/file/75590999989.pdf
- http://slsnn.ru/content/file/befifolememopukogoso.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/60361172058dd0a98a2b4243b3f3d908/fowusakonewigiwer.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160752b4590873---pemogekenawurud.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f5cca886c00---zipawimipesokifuxemaki.pdf
- http://studioarchterreni.it/userfiles/files/17703969319.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/bcmc2vqet31jgmjup12309ora2/29156475747.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=fll+to+acy
- 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_off0000c5bc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5BC | 16792 bytes |
font_01_sfnt_off0000ddd2.bin01e278dd096053cad60aedf66b383af6646e47287222249c653f5d1ed4154d4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD2 | 9716 bytes |
font_02_sfnt_off0000f32b.bin7100da61fc65d4e399b7f58ad43e881f6089279888b0d7e5466ed9892c11a8c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32B | 16592 bytes |
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