MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristic firings, particularly 'PDF_SEO_DISPOSABLE_LINK_FARM', suggest the document is designed to host numerous links pointing to potentially malicious or phishing websites. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://cructi.ru/uplcv?utm_term=minecraft+pocket+edition+for+free+mobile PDF link annotation
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403da176cd0---90276138702.pdfIn PDF document text
- http://xn--12cbg9dihj7egda2g6a7dceb1d2cp4nvgf4f.com/datas/files/53525652261.pdfIn PDF document text
- https://phuketwebstudio.com/ckfinder/userfiles/files/23607768758.pdfIn PDF document text
- https://sindonis.com/userfiles/file/wusiridiberarite.pdfIn PDF document text
- http://turskazka.ru/ckfinder/userfiles/files/mixezixekovejezijor.pdfIn PDF document text
- http://kukdae.com/files/fckeditor/file/vosotofibuxaru.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/i1s5vvp7hkn9u68golfnob2u27/72184657838.pdfIn PDF document text
- http://wtmongolia.com/materials/file/wobasexuzofanutanepatol.pdfIn PDF document text
- https://thebottombillion.org/business_school/uploads/file/laxedepofufekatekoker.pdfIn PDF document text
- http://mrs724.ir/basefile/drtiketcom/files/18388787817.pdfIn PDF document text
- http://ksklinika.ru/ckfinder/userfiles/files/7533334381.pdfIn PDF document text
- https://mtydizayn.com/userfiles/file/46645640956.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/37931771142.pdfIn PDF document text
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fawosawemudoxovaxugejib.pdfIn PDF document text
- https://corcreation.twbiz.me/data/fckeditor/files/20210909_214745.pdfIn PDF document text
- http://rzn-house.ru/upload/file/rinosusaxuwinuniru.pdfIn PDF document text
- http://luxlustry.ru/img/upload/38788741075.pdfIn PDF document text
- http://koutingchina.com/upload/files/tugogolibozuka.pdfIn PDF document text
- https://aslplastic.com/ckfinder/userfiles/files/8086217014.pdfIn PDF document text
- http://hladonural.ru/upload_picture/xufidipegavoxegida.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/26999627728.pdfIn PDF document text
- http://hnkingdee.cn/Files/file/20219564258.pdfIn PDF document text
- https://isitekmuhendislik.com/userfiles/file/pojufiwomeremenibazaxore.pdfIn PDF document text
- http://kiiga.ru/userfiles/file/47864010111.pdfIn PDF document text
- http://wx-bm.cn/upload/ckimg/files/202109130648196570.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_off0000f478.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF478 | 10840 bytes |
SHA-256: 99a0168511baf10f84cba07e621d4d3576554db9e14c8deda57a0c2c18ef5ab8 |
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font_01_sfnt_off00010d3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001254c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1254C | 19584 bytes |
SHA-256: 432ea2e4cf3a6f25d4e5e79a56cdb10473efc12579e8de32f95e12b4f9310288 |
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