MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. The presence of numerous external URLs, many pointing to PDF files on various domains, suggests a link farm designed to obscure the true malicious destination or to host multiple payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://malabarmail.com/ckfinder/userfiles/files/25667917719.pdf In PDF document text
- http://hoaisonland.vn/upload/files/zanaregifixerimos.pdfIn PDF document text
- https://galerieportelouise.be/userfiles/files/29702914870.pdfIn PDF document text
- http://cathugo.de/res/wysiwyg/file/sutagufakaxanulowizov.pdfIn PDF document text
- http://wangnatheater.bpi.ac.th/ckfinder/userfiles/files/9772296563.pdfIn PDF document text
- https://webrekruit.com/php_codes/Scott/VieauAssociates/code/userfiles/file/bilokalitak.pdfIn PDF document text
- http://rlangkhan.com/upload/userfiles/files/94163422507.pdfIn PDF document text
- http://kasargod.net/uploads/file/91884344901.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/161436360591af---50259004716.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/91410715109.pdfIn PDF document text
- http://educaholistica.com/resources/img/imagesck/files/50644869183.pdfIn PDF document text
- http://launensia.cz/ckfinder/userfiles/files/61518342025.pdfIn PDF document text
- https://kvizek.hu/ckfinder/userfiles/files/9929562200.pdfIn PDF document text
- http://marmaraisg.com/images_upload/files/jesopizudatifajemeve.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/l7cch77fnj0rs2th82sgbok6i6/39170454043.pdfIn PDF document text
- http://aerotechgroup.ru/img/outer/files/70026791191.pdfIn PDF document text
- http://budapestpainter.hu/ckfinder/userfiles/files/rogejewizumefegumoro.pdfIn PDF document text
- http://cegled.varosom.hu/userfiles/files/nusoduwemiwa.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/9942217765.pdfIn PDF document text
- http://monyetmesum.com/contents/files/zunijinotetojanet.pdfIn PDF document text
- http://egitara.com/upfiles/files/kuwabo.pdfIn PDF document text
- http://studiotecnicofrisoli.com/userfiles/files/muranukakom.pdfIn PDF document text
- https://sluganarodu.org/userfiles/files/69479112646.pdfIn PDF document text
- https://aucordechasse.fr/vosImages/xeponusaved.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=es+file+explorer+browserPDF link annotation
- 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_off0000c985.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC985 | 10300 bytes |
SHA-256: 7941c581e16eb0339e1562c60d9768440e7aaff32af04fd443f3d509fdae823f |
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font_01_sfnt_off0000e0a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f8b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B5 | 20532 bytes |
SHA-256: bb905b7b5e464a4f7048ad2c33ca5916df793a6e4f6a30e6822e105d23e8c829 |
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