MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many hosted on what appear to be compromised or disposable domains, indicating a link farm or redirection strategy. ClamAV and ML classifiers strongly indicate malicious intent, specifically classifying it as a phishing trojan. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggest the primary goal is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://mariapolis.es/ckfinder/userfiles/files/susuvazuxadojijazureko.pdf In PDF document text
- https://aedwea.com/upload/foto/zosowijute.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2a0a3a2565---28285594772.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/potetovuroxawibupi.pdfIn PDF document text
- https://signika.pl/Upload/file/zufemimimubit.pdfIn PDF document text
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/edm3splpk0suq80anemt2tblj4/8708889055.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/bigepuz.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d559c3f310c---28151296628.pdfIn PDF document text
- https://hostingpazari.com/calisma2/files/uploads/76806922162.pdfIn PDF document text
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/42d5c4420c5764ade65d3be03baa6028/xapoz.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/6dkhmn6rutjskss4j07bsm2qv7/94206472088.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16094277eecb4d---mokilarirasegezaz.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160760c277e46d---zadugigalewopezogurusovuf.pdfIn PDF document text
- http://crosswaysrecruitment.com/userfiles/file/17150930750.pdfIn PDF document text
- https://stopserv.ru/files/file/46027391685.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cbf195f09cf---dutujaze.pdfIn PDF document text
- https://kovosluzba-praha.cz/res/file/momodok.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/88704230140.pdfIn PDF document text
- https://foodphotoshop.com/userfiles/files/juwasi.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/sopetawajasip.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a04250375f6---75839245387.pdfIn PDF document text
- http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/35611512156.pdfIn PDF document text
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799a8ad45f4---13576259150.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/45370053069.pdfIn PDF document text
- http://zonazero.es/userfiles/file/xaxijutubudatig.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=quotes+about+imperialism+in+heart+of+darknessPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607335c5657da---sozosepuselulujo.pdfIn PDF document text
- 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_off0000f872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF872 | 11156 bytes |
SHA-256: bc6624ac03cf2d30f3b7d4c9782f4fb183ad8773a77ebcd55250307987912c94 |
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font_01_sfnt_off00011221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11221 | 16272 bytes |
SHA-256: 5189b1b4478505ceab68feeb86b45dab8d7def6db3aff77ba702eadd4fc05f27 |
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font_02_sfnt_off00013bcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BCD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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