MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or credential harvesting attempt. The presence of external URIs and the overall structure indicate it's likely used as a lure to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=griffiths+quantum+mechanics+3rd+edition+solutions+pdf PDF link annotation
- https://pierreseche.fr/userfiles/file/38364524393.pdfIn PDF document text
- https://soi.icami.mx/ckfinder/userfiles/files/84497546529.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/vojowatul.pdfIn PDF document text
- http://jngf.cn/files/file/91476792401.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/rezojifuxif.pdfIn PDF document text
- http://61kidsclub.com/userfiles/file/52339534298.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16135f3cdefae8---71392893232.pdfIn PDF document text
- http://longarmquiltacademy.com/fckeditor/userfiles/file/sopari.pdfIn PDF document text
- http://tg-focus.ru/userfiles/files/botofagawazowubovavamoxaj.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/gunigowur.pdfIn PDF document text
- http://burragebrothers.net/demo/jolie/beta/userfiles/files/volowosanakago.pdfIn PDF document text
- http://jeykrishnaclub.com/images/file/foxoza.pdfIn PDF document text
- http://tootingtaxi.com/survey/userfiles/files/89454314818.pdfIn PDF document text
- http://dreamscar.eu/userfiles/file/62950692984.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/zixosewumunogomenane.pdfIn PDF document text
- http://renknh.com/ckupload/files/58170357794.pdfIn PDF document text
- http://nissanotogovap.net/uploads/images/files/lebiladigalifipa.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/60325556121.pdfIn PDF document text
- https://festacontinua.it/public/file/17417980692.pdfIn PDF document text
- https://jasmijnbloemengroen.nl/userfiles/file/73959973225.pdfIn PDF document text
- http://goang-hann.com/uploads/files/202109040033489354.pdfIn PDF document text
- http://consorzio-csa.it/userfiles/files/12800934385.pdfIn PDF document text
- http://almawred-sy.com/files/adminfiles/files/beburataw.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/v5ek272ugdvu6ors8f5dher6fr/11350569473.pdfIn PDF document text
- https://cr2tek.com/userfiles/Proj_Name/files/25660364264.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_off00011485.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11485 | 11340 bytes |
SHA-256: 20f24d282586ed2022710d31df3cd0b56ed6a860ed01af2dae7125ed0dfbcb31 |
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font_01_sfnt_off00012ed5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ED5 | 18448 bytes |
SHA-256: 9038147c29ce421b92e9dd25bda71d9d2c268b82e0ac86445ca25455f48fac00 |
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font_02_sfnt_off00015f44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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