MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous external URIs, many pointing to disposable hosting and configured as a link farm, strongly suggests a phishing or malware distribution attempt. The ML classifier also indicated a high probability of maliciousness. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://catamma.ru/uplcv?utm_term=gojo+satoru+live+wallpaper+pc PDF link annotation
- https://bahceneryaman.net/public/content-images/files/zonuvinupiwikemamizuge.pdfIn PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/83780811089.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/39123853422.pdfIn PDF document text
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/zalewodivixige.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021091820133821.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/fafila.pdfIn PDF document text
- http://noithatmyhome.com/img/files/vajed.pdfIn PDF document text
- http://indyztyle.com/ckfinder/userfiles/files/wurujen.pdfIn PDF document text
- https://tp-pos.com/uploads/image/files/59943462026.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/zuwaroseropisubobefotopi.pdfIn PDF document text
- http://siripanyalamphun.com/user_img/files/telasepufedobogi.pdfIn PDF document text
- http://mottaing.eu/userfiles/files/67162532971.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138f2e418d18---26815656448.pdfIn PDF document text
- https://corcreation.twbiz.me/data/fckeditor/files/20210915_201153.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/9138824777.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16145672c0be83---38617398996.pdfIn PDF document text
- http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nafogokuretavudenoxona.pdfIn PDF document text
- http://dongbanja.com/userData/ebizro_board/file/74768830715.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/76871514573.pdfIn PDF document text
- http://e-menu.hu/editor_up/95208361103.pdfIn PDF document text
- http://ventexevent.se/uploads/file/99353118991.pdfIn PDF document text
- http://thaimassageboy.com/ckfinder/userfiles/files/87429102337.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/94052484392.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_off0000d71f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71F | 10684 bytes |
SHA-256: eac15a365b6612ec32b6a99282e18784417fcd13970f358b769aba8fca9be668 |
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font_01_sfnt_off0000efd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD8 | 17408 bytes |
SHA-256: 58484c0d5f7cfc363403a8bd3a7b2e5e87c50345a13adbbef5bd71e9b19ce795 |
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font_02_sfnt_off00011c80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C80 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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