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 links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded URLs are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://queure.ru/uplcv?utm_term=short+story+opening+examples PDF link annotation
- http://hotel-ambassador-nice.com/upload/files/95707455586.pdfIn PDF document text
- https://olivierdaulte.com/ckfinder/userfiles/files/vejuxux.pdfIn PDF document text
- https://zagorjeadventureteam.hr/files/27374376659.pdfIn PDF document text
- https://globalmediaminds.com/uploads/files/72619895729.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3d6bc46b8---96412835932.pdfIn PDF document text
- http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/puwiduvopasenaruwirotefe.pdfIn PDF document text
- https://artistaone.co/userfiles/files/6651052554.pdfIn PDF document text
- http://plaschke-partner.com/uploaded/file/26884259838.pdfIn PDF document text
- https://nieruchomosciturystyczne.eu/files/file/gefuxisolokewilejubegura.pdfIn PDF document text
- https://granitnet.hu/editor_up/85083246791.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338981baeaf---kaweka.pdfIn PDF document text
- https://tierlistei.ch/downloads/72723255393.pdfIn PDF document text
- http://393citizen.com/upload/files/91070069093.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/063d3eb7eada90b390b130348639be54/dikakix.pdfIn PDF document text
- http://agavietnam.com/img/files/zokebelisaronuzegavusaz.pdfIn PDF document text
- http://nieruchomosciklodzko.pl/files/file/mogigebigupokuxumijumijit.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161413bc401a8d---nalitonudepagesozitu.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/20670545058.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/d1hfr6rhbb2ve3han7qngfa1n5/retemo.pdfIn PDF document text
- http://parbatsamajjapan.com/img/files/files/37221093678.pdfIn PDF document text
- https://cyklo-wellness-penzion-palice.cz/content/40123814127.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_off0000c057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC057 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD869 | 17008 bytes |
SHA-256: 4e48f021c318fc6a3688bdc186c5bc3b329c14b9969e00080629949fc4da9c4b |
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font_02_sfnt_off0001043b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1043B | 10992 bytes |
SHA-256: 1c78603d8f25aea1b6757f8a237d3e41f96a46e5909cdbc4422e377cab9978a7 |
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