MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm designed for SEO poisoning. One critical heuristic indicates a link to known malicious redirector infrastructure. The ML classifier and ClamAV also flagged this PDF as malicious, suggesting it is part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9778
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://honmamon-s.com/img_seminar/userfiles/file/16665393024.pdf In PDF document text
- http://sobateracota.ro/mm/file/kararimulubezejufebe.pdfIn PDF document text
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/97477627309.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142f68ba0da1---mupufukajamizulimukej.pdfIn PDF document text
- http://jhdjt.com/images/upload/File/54064496484.pdfIn PDF document text
- http://stilistspb.online/public/files/uploads/files/wipemi.pdfIn PDF document text
- https://jmtours.co/aym_image/files/24198243142.pdfIn PDF document text
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210906190703312750ajghy1.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/lifamifakuf.pdfIn PDF document text
- https://sma-dfgg.org/site/admin/file/98043658212.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/c9868930ab58e4c8559661a59db1e768/migozeniluwerasegoxofute.pdfIn PDF document text
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/zadijivufalunonadofukagi.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/guwefodokewu.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/21ce24f29c0a721d4b6096b21478a842/86786375827.pdfIn PDF document text
- https://rubfila.in/files/file/35161738784.pdfIn PDF document text
- http://artkulinaria.pl/sites/default/files/file/74444425418.pdfIn PDF document text
- http://alpes-de-haute-provence.proximeo.com/ckfinder/userfiles/files/piviponagimejep.pdfIn PDF document text
- https://koparieshorvathbusz.hu/files/file/polexifol.pdfIn PDF document text
- http://fzsvybbs.at/userfiles/file/58040503342.pdfIn PDF document text
- http://whitedwarf.ru/public/images/ckfinder/files/48634721133.pdfIn PDF document text
- http://tks-forever.com/upload/2021/09/03/file/68023961936.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613664f5417ab---ginowizelovamozese.pdfIn PDF document text
- http://sanruou.com/app/webroot/uploads/files/15789138225.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109081803167191.pdfIn PDF document text
- http://cabinet-blin.fr/ressource/site-image/files/73652701367.pdfIn PDF document text
- https://infrive.ru/uplcv?utm_term=pirates+of+the+caribbean+tides+of+war+mod+apk+downloadIn PDF document text
- http://heureka-cz.eu/files/jomaximun.pdfIn PDF document text
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/947dadf333ec6e2880061605e0992e23/92670518021.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 extracted file (font_00_sfnt_off0000fbc6.bin)
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000fbc6.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fbc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC6 | 19200 bytes |
SHA-256: 628b2deac94974188c77fd72bcb8dfbfc1658e1323ff74df318dd3811c07a30c |
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font_01_sfnt_off00012df4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001460b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1460B | 11204 bytes |
SHA-256: 9d6c8df9d9244eb9d840baa91fb59bc3291ed16a2838fd69dc893d25b8f26585 |
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