MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs and is flagged by ML classifiers and ClamAV as malicious. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. The presence of external URIs and link farm characteristics suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://laborke.ru/uplcv?utm_term=kernel+mi+a2 PDF link annotation
- http://rfaaa.com/UploadFile/file/20210914173116234.pdfIn PDF document text
- https://yam-token.com/business_school/uploads/file/xagad.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4ff47c26d---58352763385.pdfIn PDF document text
- http://planao.com/ckfinder/userfiles/files/zuzenenilo.pdfIn PDF document text
- http://snnet.kr/board_pds/fckeditor/2021/09/file/5276007048.pdfIn PDF document text
- http://franzoesischebulldoggen.eu/userfiles/file/bepijugetunagemokimexele.pdfIn PDF document text
- http://mediacast.vn/ckeditor/upload/files/83458826744.pdfIn PDF document text
- http://turskazka.ru/ckfinder/userfiles/files/98014400479.pdfIn PDF document text
- https://loyalangkorapartment.com/userfiles/file/83865925491.pdfIn PDF document text
- https://buddhaart.in/userfiles/file/24894999009.pdfIn PDF document text
- https://magiccat.pro/ckfinder/userfiles/files/95824028504.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/51250834834.pdfIn PDF document text
- http://cosmikkino.ru/sadm_files/57768897367.pdfIn PDF document text
- https://tagoproperties.com/ckfinder/userfiles/files/bezabuvumopizupex.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/vqsq4rrjuc2oj2oip4khuaam05/98550402343.pdfIn PDF document text
- http://laskod.hu/userfiles/file/96858264392.pdfIn PDF document text
- http://iphysiology.ru/upload/mulukutawose.pdfIn PDF document text
- http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84422142777.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/jumix.pdfIn PDF document text
- http://seyrimerdin.com/userfiles/file/garejujanenubivuwofalov.pdfIn PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210909011155.pdfIn PDF document text
- https://inprovitchile.com/ckfinder/userfiles/files/80629614791.pdfIn PDF document text
- http://imbirimbir.ru/files/6147997868.pdfIn PDF document text
- http://influences-vegetales.eu/assets/Image/files/gixodafive.pdfIn PDF document text
- https://lrsdev.com/userfiles/file/xigukuxegowudafejakesit.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_off0000e180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE180 | 9992 bytes |
SHA-256: 78196c626d8d7f9a7983de67f0fa6bd3e1782f05beccd987199e561693b2142a |
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font_01_sfnt_off0000f78b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF78B | 20188 bytes |
SHA-256: 521977eaf57808eb9de76925d1b531544abc4f3c7734367d4028408170dbd28e |
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font_02_sfnt_off00012d38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D38 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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