MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs and a heuristic flagging it as a link farm on disposable hosting suggests a phishing or malware distribution campaign. The heuristic 'SE_SECURITY_BYPASS' indicates the document attempts to instruct the user to disable security software, a common tactic in social engineering attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://oniceh.ru/uplcv?utm_term=lock+app+installation+android PDF link annotation
- https://khanoomhoteli.com/basefile/khanoomhotelicom/files/4676350834.pdfIn PDF document text
- http://printific.com/images/contentimages/files/85279918100.pdfIn PDF document text
- https://atrax.eu/userfiles/file/39021234894.pdfIn PDF document text
- https://horgaszvelem.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/jimadi.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/84520587384.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/tapogukaxuxuxipikigeta.pdfIn PDF document text
- https://needletherapy.eu/upload/file/34257803705.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/951e421c931fda7b665da5cc85e6a98d/ralonu.pdfIn PDF document text
- https://ksi-system.pl/editorfiles/file/wifizaxataweso.pdfIn PDF document text
- http://dalnoboy.org/data/filestorage/upload/files/29314626177.pdfIn PDF document text
- http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/kafudomarurulolaw.pdfIn PDF document text
- https://mandarinusa.com/userfiles/file/1631613929.pdfIn PDF document text
- http://tatishev.ru/admin/ckfinder/userfiles/files/soxasotadovadiporuxi.pdfIn PDF document text
- https://euforbiabulgaria.com/uploads/pages/files/refur.pdfIn PDF document text
- http://cmrivestimenti.com/userfiles/files/zeribidutiseziragumir.pdfIn PDF document text
- http://thietkewebsite.btccorp.vn/uploads/files/73430189135.pdfIn PDF document text
- http://kubkao-kubpla.com/userfiles/files/31131364133.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf18f17af4---nuzorexogafireguw.pdfIn PDF document text
- https://inwestorfinanse.pl/userfiles/file/lozovonigugifadatosom.pdfIn PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/zagus.pdfIn PDF document text
- http://ajej.pretty-match.com/upload/files/jesokowutobedorewej.pdfIn PDF document text
- https://xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/wurinasemajeve.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_off0000d41f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD41F | 17188 bytes |
SHA-256: 0999acbc7de003b9a909cba9451d93274f130fe7430136356f1083cc546ea1b2 |
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font_01_sfnt_off00010091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10091 | 10424 bytes |
SHA-256: cca7d05e1221a25faf7bcb16a061265dc35de7921b5270531ce674fa5464f5ed |
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font_02_sfnt_off0001184c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1184C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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