MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF-specific heuristics like 'PDF_URI' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the PDF's primary function is to host and serve these malicious links. No scripts were extracted, but the overall structure points to a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://ketchas.ru/uplcv?utm_term=tv+shows+yts PDF link annotation
- http://vita24h.com/uploads/userfiles/file/52082349804.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/84216475487.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/4f73f5e65dfc0f6bd72d77f01390c9a9/lumawifurejitozoribo.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/2021972151474816.pdfIn PDF document text
- https://dallaslandscapedesign.com/media/files/18466541399.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/kavipomeje.pdfIn PDF document text
- https://casadko.fr/userfiles/file/90690828116.pdfIn PDF document text
- http://sakaryakasaplarodasi.org/userfiles/file/zokozizumow.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///solaroseriwutil.pdfIn PDF document text
- http://refpecsbelvaros.hu/kepek/files/16198076663.pdfIn PDF document text
- http://mylivediamondinventory.com/uploads/files/80828173434.pdfIn PDF document text
- http://hypotekaprezamestnancov.sk/res/file/dezowekutagijuj.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/66270784193.pdfIn PDF document text
- http://tomdythai.com/userfiles/files/viguv.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/97392048515.pdfIn PDF document text
- http://floramarble.com/uploads/vomegarelavolizovu.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1612f857fa1546---16328140186.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/dudiruvuba.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/5b95b3085addf876b933cff94d0d9c3a/21970410520.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/93716951948.pdfIn PDF document text
- http://proallprint.com/userfiles/files/kamevuderowinatevisuwup.pdfIn PDF document text
- http://police8coop.com/UserFiles/file/40998558394.pdfIn PDF document text
- http://sirmamedia.com/ckfinder/userfiles/files/jekukixetofibe.pdfIn PDF document text
- http://burchiellati.com/file_fck/file/84190461807.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_off0000e372.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE372 | 9800 bytes |
SHA-256: 593669a10f3158052f65255b0dc1944ef0caf2e9e0c4cad5463c4d4a2fceac91 |
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font_01_sfnt_off0000f923.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF923 | 18172 bytes |
SHA-256: df08b7304e4fe4917806345a866107857b02ce274d6c1fdbf0c9c1e31b92d328 |
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font_02_sfnt_off00012859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12859 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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