MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external PDF files hosted on various domains. The presence of numerous distinct domains and the use of 'utm_term' parameters suggest an attempt to obscure the true malicious intent and potentially distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 5
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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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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 http://dh-cell.com/ckfinder/userfiles/files/24573561544.pdf In PDF document text
- http://studioghittigargnano.com/userfiles/files/zewoluzidesupibimatokasuz.pdfIn PDF document text
- http://studio70.eu/userfiles/files/pinatidulusibapupuminis.pdfIn PDF document text
- http://somsit.com/ckfinder/userfiles/files/65419175618.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb213eba65---56791009128.pdfIn PDF document text
- https://www.adoz.cz/ckfinder/userfiles/files/fudumawo.pdfIn PDF document text
- https://oklogistic.lv/upload/file/48438384610.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/dixikubanurokasozarovo.pdfIn PDF document text
- http://physio-praxismitte.de/userfiles/vogeb.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/26551012138.pdfIn PDF document text
- http://kaithompson.com/userfiles/file/taxakorogozunuwigumumalu.pdfIn PDF document text
- https://palcev.ru/userfiles/file/78043354154.pdfIn PDF document text
- http://1000projects.ru/upload_picture/file/36807985390.pdfIn PDF document text
- http://www.bongbansaigon.com/uploads/files/47841644279.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/xidezosidejaxobaf.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/97147542669.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/76796913481.pdfIn PDF document text
- http://ilturismoinitalia.it/userfiles/files/73723883550.pdfIn PDF document text
- http://swapnakoodu.com/fck_uploads/file/lomupukopunibimuf.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/gefarevej.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ba51bef3b9---98908082540.pdfIn PDF document text
- http://sun-tes.ru/files/file/5765475276.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=pokemon+joystick+downloadPDF link annotation
- 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_off0000aefb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEFB | 14592 bytes |
SHA-256: 65cd7b3741675210889e91c39483e294b3707fe11a8f1d4fa3883952d6af6330 |
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font_01_sfnt_off0000d386.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD386 | 10856 bytes |
SHA-256: f82b0ab47119d3f14448784a4704084ab76ad64c40573115a15d42a01776f4c7 |
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font_02_sfnt_off0000ecab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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