MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF that contains a large number of embedded URLs, many of which point to disposable domains or are structured as link farms. ClamAV and an ML classifier identified this file as malicious, specifically as a phishing or trojan variant. The presence of numerous external links suggests an attempt to redirect users to malicious sites for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://huntic.ru/uplcv?utm_term=how+to+make+violet+acrylic+paint PDF link annotation
- http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210908190126.pdfIn PDF document text
- http://www.brickchamber.com/ckfinder/userfiles/files/55329094113.pdfIn PDF document text
- http://cpghollywood.com/userfiles/files/kewetad.pdfIn PDF document text
- http://exosushi.com/uploads/files/9703061381.pdfIn PDF document text
- https://queensflower.nl/clientfiles/98264478509.pdfIn PDF document text
- https://daynexweb.com/upload/ckfinder/files/90491918857.pdfIn PDF document text
- http://na3.it/misc/file/dotagavufejusozowibigaxor.pdfIn PDF document text
- http://maryalo.com/userData/board/file/zosuwupajuvoximagivume.pdfIn PDF document text
- http://prompol.com/media/file/72616303682.pdfIn PDF document text
- http://reckdance.pl/userfiles/file/xusevubuw.pdfIn PDF document text
- http://esistore.de/userfiles/file/xadudogixefufodama.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394e9b06400---57396370430.pdfIn PDF document text
- https://kaparatt.com/images/File/99786895493.pdfIn PDF document text
- https://www.ebenisterie-burette.com/ckfinder/userfiles/files/7643419816.pdfIn PDF document text
- http://knshzj.com/CKEdit/upload/files/3970887993.pdfIn PDF document text
- http://saigonradio.com/userfiles/file/xukuzelagobuvibu.pdfIn PDF document text
- https://www.lucaslobker.com/minor/ckfinder/userfiles/files/xijiwu.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8b7c99f89---woberudobegopawisinomadam.pdfIn PDF document text
- http://www.heksan.com.pl/file/40354993910.pdfIn PDF document text
- http://generoussecurity.com/uploads/75902788810.pdfIn PDF document text
- https://espiber.cl/images/uploadedimages/file/dafanomolojolonimud.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/penig.pdfIn PDF document text
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/losogigem.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_off0000b3a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A8 | 10716 bytes |
SHA-256: c783bac28a9412c5247ddadc3197d5a633d6c50a2e307c544a4fa7533b60a2ba |
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font_01_sfnt_off0000cc43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e455.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE455 | 15212 bytes |
SHA-256: df8974ddcacbb978fd243789862e3c79913a04a8f5f5f23d458cf6e31c179fd3 |
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