MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. The PDF contains numerous external URIs, many of which are part of a link farm on disposable hosting, suggesting a phishing or scam lure. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate that the PDF's primary purpose is to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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=unlock+tmobile+iphone+free PDF link annotation
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142670388f6f---60965614607.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/feripogubulidos.pdfIn PDF document text
- http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/muzipogaxolexafiremaroti.pdfIn PDF document text
- http://greenhere.cn/upload/ckimg/files/202109132252404655.pdfIn PDF document text
- http://eclickapps.in/userfiles/files/99027029752.pdfIn PDF document text
- https://ana-jsc.com/upload/files/368105772.pdfIn PDF document text
- https://greenlakepaint.com/ckfinder/userfiles/files/19091107656.pdfIn PDF document text
- https://weeb.nu/userfiles/file/69735173116.pdfIn PDF document text
- http://areopag-group.ru/sites/default/files/uploads/zafisedadujisosemajejax.pdfIn PDF document text
- https://kebecelectrique.com/upload/editor/file/14544751520.pdfIn PDF document text
- https://inprovitecuador.com/ckfinder/userfiles/files/tukibupe.pdfIn PDF document text
- https://tanthueviet.vn/img_data/files/74063696090.pdfIn PDF document text
- http://greatwalledmond.com/ckfinder/userfiles/files/52500958010.pdfIn PDF document text
- http://cdmatik.com/uploads/file/fuzixudodosodik.pdfIn PDF document text
- http://verzorgingsindex.nl/images/uploads/74089013560.pdfIn PDF document text
- http://dkmmotor.com/files/userfiles/file/xezanozinen.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/16137185b854c6---diveku.pdfIn PDF document text
- http://ruishikaishi.com/upload/content/files/2021/09/20210926145551.pdfIn PDF document text
- http://massvt.sk/editor_uploads/system/files/24054248697.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/rodukumajaf.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/bivaroxifuvu.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210904_70EB6FBFBFE81931.pdfIn PDF document text
- http://uhorder.com/upload/files/tarukomekofaxusopogat.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/dejewunikomevaxadogojuxeb.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/b26ig76j458b0h8279catofgv6/dejetojivikumaz.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b3b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3B5 | 18924 bytes |
SHA-256: 4305b880b55c7b8811787f5c19de03ff5636ae8acf6a69ad676cf3a58dca425d |
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font_01_sfnt_off0000e40a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE40A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1B | 16232 bytes |
SHA-256: 01cd0e4798e93fb086042d610f43ddeed7bf091af48aa863f5c4a4f61b651684 |
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font_03_sfnt_off000111f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111F5 | 10652 bytes |
SHA-256: bdc6bca6beb0fab0df80ee69f21d56015e89169b02b8eece78b9845b71011b8f |
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