MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external sites, many of which are hosted on disposable domains, suggesting a link farm or phishing operation. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the PDF's purpose is to redirect users to a large number of distinct, potentially malicious, hosts. No scripts were extracted, but the presence of external links and the overall detection profile strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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=download+mutiny+pirate+survival+mod+apk PDF link annotation
- http://malbreil.com/userfiles/file/varikimesosigetilevam.pdfIn PDF document text
- http://qlionshousing.ca/userfiles/file/84360515573.pdfIn PDF document text
- http://refpecsbelvaros.hu/kepek/files/pevutipanepipik.pdfIn PDF document text
- http://siciny.eu/userfiles/file/14590037671.pdfIn PDF document text
- http://foto-preiss.at/upload_files/files/98514679751.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee8c9ed4e0---19249875410.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/vivoj.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/dafaludox.pdfIn PDF document text
- http://udmvdpo.ru/images/files/51772232928.pdfIn PDF document text
- http://dglytbt.com/upfolder/e/files/20210907083616.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/mufakuweferagor.pdfIn PDF document text
- https://boyanbolyarski.com/userfiles/file/votezajinuwetufitaxodufi.pdfIn PDF document text
- http://chaitraglaze.com/uploads/35802110479.pdfIn PDF document text
- http://italy-ex.com/images/blog/file/rovojebexolebebitezikod.pdfIn PDF document text
- http://ks4073.com/file_media/file_image/file/gagujajobujibumomuxita.pdfIn PDF document text
- https://catwalkdogcome.com/editor_upload_image/file/vibotenufilax.pdfIn PDF document text
- http://networkinglikepro.com/ckfinder/userfiles/files/62532176888.pdfIn PDF document text
- https://ipkameros.lt/userfiles/file/43515583721.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/58621178116.pdfIn PDF document text
- http://zatacorp.com/upload/files/vukukunekifemal.pdfIn PDF document text
- http://thaoduoconline.com/userfiles/image/file/jagakidig.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131be3fc477e---kerojakesalogigaror.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/21947776665.pdfIn PDF document text
- https://alirezamirmohammadi.com/images/upload/files/78492578648.pdfIn PDF document text
- http://happy-land.hu/editor_up/jetazewe.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_off0000cb10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB10 | 16344 bytes |
SHA-256: 6f5813151d7fd1b21c53359319c537b7a9ffa2e2919192781727157194fd69d0 |
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font_01_sfnt_off0000f4e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010d00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D00 | 11012 bytes |
SHA-256: d6ec18db1187d6245cc01c320112ae0ca9ea17935ee758429f0de41f0e2cea0b |
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