MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of multiple PDF link farm heuristics and embedded URLs strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://mensagemcrista.com.br/ckfinder/userfiles/files/47358614235.pdf In PDF document text
- http://sushi-belovo.ru/files/zulelusugakipokovipagid.pdfIn PDF document text
- http://cuacuonnhanh.vn/Images_upload/files/98452903266.pdfIn PDF document text
- https://rux-thai.com/ckfinder/userfiles/files/36480602028.pdfIn PDF document text
- http://camdohungdung.com/upload/files/96579635708.pdfIn PDF document text
- http://esistore.com/userfiles/file/dinagoxoxubeduvopiror.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614236368887e---kadibexowovafiruvugo.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/pirejerepovokevepudalijo.pdfIn PDF document text
- http://www.kymkarajok.net/tiedostot/files/dexelafazuratenaxunusaged.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/ur8101ug4d3q7jn0mf687rueh6/sidodil.pdfIn PDF document text
- http://luxe-pools.fr/i/File/82409420502.pdfIn PDF document text
- http://cesvil.it/filesUploads/file/sakagalejowubagasulo.pdfIn PDF document text
- http://smartraoptics.com/fck_filemanager_upload/file/zavefunitojunudogideval.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/zebinelodufipafiporu.pdfIn PDF document text
- https://zoldlaptop.hu/ckfinder/userfiles/files/91793548008.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/jugelidasapikekawutetit.pdfIn PDF document text
- http://abwlargo.com/uploads/files/41057199423.pdfIn PDF document text
- http://specimport.by/files/files/lunugunafoni.pdfIn PDF document text
- http://designpavelzapletal.cz/files/file/nopokeboxozup.pdfIn PDF document text
- http://somsit.com/ckfinder/userfiles/files/wamunununapogerejiwujas.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135d79780ecf---vesejuw.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/s3vilemoo7k4rf47vt7nsdq727/18797945661.pdfIn PDF document text
- https://misbahelmudii.org/ckfinder/userfiles/files/varenofarugudi.pdfIn PDF document text
- http://philipp-haberland.de/images/upload/file/24441453230.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/70578115138.pdfIn PDF document text
- https://truonggiangcompany.com/userfiles/file/35288559172.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+use+facetime+on+android+phonePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED14 | 11016 bytes |
SHA-256: 4ee55d8edbe71a27bf65caa76abf5c031114fc445290cbaba95d48c71e9a3e8d |
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font_01_sfnt_off00010686.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10686 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E98 | 17620 bytes |
SHA-256: 5efc835675ff05d44c2a2d4e2e2b38e606847d9acef0f2f9737b1d361c7a5bfc |
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