MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is not a legitimate document. No scripts were extracted, but the overall structure and URL distribution point towards a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://catamma.ru/uplcv?utm_term=android+development+in+the+cloud PDF link annotation
- http://millecolori.it/images/file/37848411397.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/19714872533.pdfIn PDF document text
- http://www.trisad.kz/ckfinder/userfiles/files/81618129923.pdfIn PDF document text
- http://biznesfishki.ru/files/userfiles/files/56212585770.pdfIn PDF document text
- http://gemculture.com/userfiles/file/31045863106.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/87690005579.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac141e7da3---livififurezefibirajasowi.pdfIn PDF document text
- https://augsburger-dartliga.de/uploads/file/pokegikuweboketiwebilo.pdfIn PDF document text
- http://dc-42351dc5a6b3.prshots.es/uploads/userfiles/1630972353/files/84399304651.pdfIn PDF document text
- http://bubb.cn/up_file/file/fifogifagufoxezos.pdfIn PDF document text
- http://chronocertif.com/userfiles/file/kazikemeni.pdfIn PDF document text
- http://donghozibistore.com/luutru/files/ligaximebokepodiresib.pdfIn PDF document text
- http://zvaracskaskola.eu/editor_uploads/system/files/38265809530.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/tunemakodikegog.pdfIn PDF document text
- https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/25517614618.pdfIn PDF document text
- https://rockeit.com/userfiles/file/6948394193.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/gevewomazulasa.pdfIn PDF document text
- http://marinaxaraes.com.br/ckfinder/userfiles/files/96804496420.pdfIn PDF document text
- http://dailygameresult.com/editor/UserFiles2/files/wezedututaxibumori.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16133382eb15fa---tivubew.pdfIn PDF document text
- http://dreamwith.gni.kr/ckupload/files/34136305953.pdfIn PDF document text
- http://zaintik.org/files/galeria/files/79672927150.pdfIn PDF document text
- http://studiomanzella.com/userfiles/files/vikaposejafodefodug.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_off0000dcff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f516.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF516 | 10596 bytes |
SHA-256: fda3c17939c5131202e45f45cfd65b2d901ed38db5434a94c757d5e08928b818 |
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font_02_sfnt_off00010d0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D0B | 17400 bytes |
SHA-256: 6eb7ea86fb03d46c3ec4c63b17759018d1bf29416e04b8be49eb42d34bf350ac |
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