MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://maychamsocda.vn/images/userfiles/file/7133163924.pdf In PDF document text
- http://xn--franzsischebulldoggen-lec.eu/userfiles/file/58904706549.pdfIn PDF document text
- http://cephedanismani.com/images/pages/file/95402970171.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/relilovazoxiwef.pdfIn PDF document text
- https://quangcaoxetaxi.vn/upload/fck/file/45854233433.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e5e0e81e23---26533476021.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/87413345331.pdfIn PDF document text
- http://www.gyndoktors.de/ckfinder/userfiles/files/giwuwasiliziwisujorito.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3db45afbfb---vesimazipitirata.pdfIn PDF document text
- http://aggengr.com/uploads/CMS/file/75725212148.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6974ae2207---bejimovutigifuj.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/5e6a36ea6c3e8f21417fdec3388e7870/33583855980.pdfIn PDF document text
- http://axi-hohenstein.de/userfiles/file/tesivegopuduvokezeb.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/68321969ab833e35aa2ccffaa2f88de9/biwebikamib.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/91077125986.pdfIn PDF document text
- http://reicar.dk/userfiles/file/9545970450.pdfIn PDF document text
- https://jagamimpi.net/contents//files/37904312056.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/5992398645.pdfIn PDF document text
- http://schodylux.pl/userfiles/file/wobokuwokiji.pdfIn PDF document text
- http://wawabed.pl/uploads/userfiles/file/nuzabevatirawepazadepato.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081112eca149---romekumelozonokuwemenike.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b0264c227---1414048300.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/7414607175.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=examples+of+ethos+pathos+and+logos+worksheetPDF 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_off0000c46f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC46F | 17364 bytes |
SHA-256: ccb9e2a44ea84264c19d8a91614d413997abaed3816de9e1d6ed584813653e1c |
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font_01_sfnt_off0000f156.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF156 | 11116 bytes |
SHA-256: 4f190e88f12b988ce3f4ec7279e5c915a9f6955bd2a5780d44909c393129e3dc |
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font_02_sfnt_off00010af5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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