MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which are part of a link farm hosted on disposable or compromised domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of multiple external URIs and a link farm suggests the primary goal is to redirect users to malicious websites.
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 https://catamma.ru/uplcv?utm_term=the+hunger+games+book+pdf+download PDF link annotation
- http://tbff-bygg.se/img/files/59793592465.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/nisurejezokogi.pdfIn PDF document text
- http://fermobkorea.com/userfiles/file/20210905161928.pdfIn PDF document text
- http://twfindia.in/userfiles/files/goxituretagoguwujiro.pdfIn PDF document text
- https://presentkompaniet.com/img/content/file/10876510151.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/70523354059.pdfIn PDF document text
- http://wohingltd.com/userfiles/gipuxujonuno.pdfIn PDF document text
- http://escrima-rlp.de/userfiles/file/89734142128.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/goxakidovenipat.pdfIn PDF document text
- http://happyhanool.com/ckupload/files/79939863543.pdfIn PDF document text
- https://distriparkbotlek.nl/userfiles/files/51362379937.pdfIn PDF document text
- https://dveropolis.ru/upload_picture/68772541174.pdfIn PDF document text
- https://jphotographyllc.com/userfiles/file/1905041604.pdfIn PDF document text
- https://editions-tlp.fr/ckfinder/userfiles/files/20250127171.pdfIn PDF document text
- http://healhumanity.foundation/userfiles/file/39361057406.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/01556eed8e8ac40d94759cd03077a566/sopaveruloximu.pdfIn PDF document text
- http://bilafafafa.com/shopadmin/upload/files/44282157154.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e955a6209---83663479057.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/kupelofazudub.pdfIn PDF document text
- https://jsptti.com/ckeditor/ckfinder/userfiles/files/70632981959.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410314a4b8a---90373967043.pdfIn PDF document text
- http://denprokhorov.ru/images/file/jidazibataguguramo.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_off0000dd5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5E | 18372 bytes |
SHA-256: a64e27000ef18b93197a44eef67b62086a5fcb306f1d9d725e95b0a97d954ba5 |
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font_01_sfnt_off00010ca7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA7 | 11136 bytes |
SHA-256: c3cc2cc72a37fb9a540ddb097bb53f5080e31fcf566270b9d87f0fa26f703d03 |
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font_02_sfnt_off00012619.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12619 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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