MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://coretry.ru/uplcv?utm_term=attack+on+titan+season+4+manga+pdf+download PDF link annotation
- http://linpus.com/app/webroot/userfiles/files/77879562489.pdfIn PDF document text
- http://h-st.nl/bestanden/files/7671649426.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/76577197504.pdfIn PDF document text
- https://www.idd.no/ckfinder/userfiles/files/bakalegetivuwugamopobijub.pdfIn PDF document text
- http://psychologadamczak.pl/userfiles/file/6813263635.pdfIn PDF document text
- http://lnv-cnc.gr/userfiles/file/setilozumopata.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/33854530804.pdfIn PDF document text
- https://nstoplana.rs/ckfinder/userfiles/files/zidedepumesimevuger.pdfIn PDF document text
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/roxibime.pdfIn PDF document text
- http://timnhanhonline.vn/upload/files/wizalimemofaki.pdfIn PDF document text
- http://alexdisinfestazioni.com/userfiles/files/22604491669.pdfIn PDF document text
- https://thaiahpa.com/flash/files/1266381241.pdfIn PDF document text
- http://3t-t.com/User_File/UpFile/file/20210913091507_bml4ZWJvbG94aXdvZ2lyYWx1ZGFkaQ==.pdfIn PDF document text
- http://balbu.hu/uploads/news/file/98245068289.pdfIn PDF document text
- http://babyshelter.net/assets/upload/files/wikelalovafinejarumuteke.pdfIn PDF document text
- https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/49637535254.pdfIn PDF document text
- http://pension-erlkoenig.de/img/editor/file/nolilarunu.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/30144518136.pdfIn PDF document text
- http://lse.hu/userfiles/file/95006351830.pdfIn PDF document text
- http://knowleangling.co.uk/ckfinder/userfiles/files/tefixafafumop.pdfIn PDF document text
- http://youngshiny.com/userfiles/file/1631335715.pdfIn PDF document text
- https://argentinaproduct.com/ckfinder/userfiles/files/sijegiramudejokuru.pdfIn PDF document text
- http://devveb.net/userfiles/file/67107870787.pdfIn PDF document text
- http://indagosrl.it/userfiles/files/nepureponutagugojipifope.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_off0000b788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB788 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF9F | 11100 bytes |
SHA-256: 5cf7035cc9ecfd77b2ed2ab016f10bbaa81f7120410d89f4e17ae326ae6a55b0 |
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font_02_sfnt_off0000e975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE975 | 18224 bytes |
SHA-256: 26761f9c5da15dc2014efcfb9c5a75cf6ae436e30d3c40fc5210b57e0b34f75f |
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