MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier. Static analysis revealed it functions as a link farm, with numerous URLs pointing to compromised CMS upload directories. These links likely lead to phishing pages or further malware, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8aa06ad27---zijakokejuporaninepuxuvet.pdf In PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/190tf3rp63j6vvjc9ihuse9iv3/sexanub.pdfIn PDF document text
- http://ever0036.com/assets/uploads/ckedit/files/20210529111251.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2987461db---gisubu.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/89584577989.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/fd5065586b065a78dbb3a23200f2e685/34378951484.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/a0bd8451d532a13990bcc628c823bdd0/65763157105.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613082e125498---wawemizufinafobiwinof.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/forinexowijituninixawit.pdfIn PDF document text
- http://hong-tour.com/FileData/ckfinder/files/20210803_5FB9202E9D38541D.pdfIn PDF document text
- https://fidelishospice.com/ckfinder/userfiles/files/lepiwebugivurarete.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801ce09eefa---fawabonuduwipirinefemis.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021081919381180478.pdfIn PDF document text
- https://cakenepal.com/userfiles/file/jufezakulixitimipisiladuf.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700e51ee0d6---29904270983.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/635310123.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/d24ba73843aa15b2280390d2e7455f97/46332493757.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be0f68c4b74---9129981972.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/muxapifijegerodomawut.pdfIn PDF document text
- http://jimsclub.net/new/board/img_tinfo/file/20210812050129.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a56ab3924---3682855607.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/0779541e46232cfc52841940c3099a10/nomupodigal.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=ms+office+2007+.doc+to+.pdf+converterPDF 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_off0000dd9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD9B | 10820 bytes |
SHA-256: aba9d3e7150723730156c4b34deb275eba4cca31003d2f0ea6657d1e9d4669bd |
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font_01_sfnt_off0000f6d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D2 | 17020 bytes |
SHA-256: d98dd32afd9fbb24fe11014169b8941a116462cb4cda6f9aadd70db0b5d33af2 |
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font_02_sfnt_off000122e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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