MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to compromised WordPress upload directories, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure as a link farm is designed to lure users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://aelma.com/sites/default/userfiles/file/93535126064.pdf In PDF document text
- http://tvoirostov.ru/ckfinder/userfiles/files/54924025610.pdfIn PDF document text
- http://bungefamily.com/clients/5233/File/70162780565.pdfIn PDF document text
- http://artattack-concerts.de/files/file/2191068913.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/d86rnbenrrj5e9a1scc38vmf2q/zariwaruxuzix.pdfIn PDF document text
- https://kanalprofi.at/UserFiles/file/6271987613.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/31e3cdf39ea33e05dbe549b7842cba91/niwoponomigowukot.pdfIn PDF document text
- http://dichvubaove.online/upload/files/52517788036.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/b98d97085936436d8ddd1c22f5dfd982/53505063271.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce7ba65704---12245536922.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/m92l99pbr1mf1cl3v2ii6o9t5a/xuwevanisewox.pdfIn PDF document text
- http://grafordexstudents.com/clients/0/05/05b3dbe7dd9dc6f92b523d2b721f2ffd/File/dupolixunafuwozapuvanomeb.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/ruxadirimilojisoluferiver.pdfIn PDF document text
- https://senhewood.com/d/files/wasibokoj.pdfIn PDF document text
- https://webvitamin.vn/app/webroot/uploads/files/gizaj.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f95b0b87e---36227461589.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4450eefc38---83940944167.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/30d12e508c30c5c109e348360717cb26/29603713175.pdfIn PDF document text
- http://vonschickenconcord.com/uploads/files/48454575896.pdfIn PDF document text
- http://autoachtercamper.nl/userfiles/file/53303440360.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/xerefuzamelufapew.pdfIn PDF document text
- https://classicandcamper.co.uk/wp-content/plugins/super-forms/uploads/php/files/l3kht8e2p6fqtb33vs5bf2vcpf/45651123120.pdfIn PDF document text
- https://vicentinacentroautomotivo.com.br/ckeditor/ckfinder/userfiles/files/92870643912.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=do+re+mi+lyrics+sound+of+music+pdfPDF 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_off0000d7b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B6 | 10736 bytes |
SHA-256: 1a42ab879b6bb894be7aa1c395ce7f99e2e9ac2bf65062da140918ecc0285eb3 |
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font_01_sfnt_off0000f059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF059 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001086b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1086B | 18712 bytes |
SHA-256: 047e8c7950c85bb78ef97d06afdfe8939913ccc85233d3b659b8f8903ae29774 |
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