MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, forming a link farm. The primary function appears to be redirecting users to external resources, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://hccc252.ca/clients/e/e4/e484b38507f190a955b66748903449e1/File/23310654073.pdf In PDF document text
- http://color-gateway.com/userfiles/file/vibivozizosigifowuk.pdfIn PDF document text
- http://flygarfield.net/userfiles/file/75034831607.pdfIn PDF document text
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/70c0cd1b27b7673a9fa4316279ea981d/panuw.pdfIn PDF document text
- http://stolizstekla.ru/userfiles/file/jokadaruguxum.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae2b32c69c---musalew.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094368948a7b---jarijusukujilet.pdfIn PDF document text
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/65628913f62096a309e609b94d92b641/28013285309.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/4364276866.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/xujozowixakurajitufumab.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/202166618449987.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/rif48okp8esbrdkk42thfj2bp1/87458286324.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089cae971d83---30865473579.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/86565586302.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c96cc142c60---24005856151.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/00pukb6mqgmdjoh2ic4hs0bll8/linepigebeju.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/6dfdbbbc3d000be8a9d7f98bd34eedd6/37243524172.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=we+can+talk+in+englishPDF 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_off0000f24e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A60 | 17324 bytes |
SHA-256: 912310f0e2db4703cf3cb43b5c2b9cbf093d07cb822b6e77b099d18d00f219f6 |
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font_02_sfnt_off00013721.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13721 | 10376 bytes |
SHA-256: 71d5735ff62af2e02b73ba8b6a6747646a55fb9a4156bd4610e0e9b57e2d1b1e |
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