MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, suggesting a phishing or scam lure. The heuristic 'SE_CALLBACK_LURE' further supports a callback phishing or tech-support scam pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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=ff+exvius+guide PDF link annotation
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137861527d66---2175176905.pdfIn PDF document text
- http://35ju.21tg.cn/uploadfile/ckeditor/files/retonaru.pdfIn PDF document text
- http://exhibitionchannel.com/upload/gutowalemimezuxonuziju.pdfIn PDF document text
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/kevimowi.pdfIn PDF document text
- http://ovecollection.com/royal/admin/images/products/file/71645095011.pdfIn PDF document text
- http://buyyoutubesubscribers.com/ci/userfiles/files/30244462452.pdfIn PDF document text
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/lixoxibutezomiwemitapi.pdfIn PDF document text
- https://fontaine-eva.fr/userfiles/files/fedonopipifogapidine.pdfIn PDF document text
- http://mgbig.com/upload_fck/file/2021-9-9/20210909044421781664.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/41079507505.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/natik.pdfIn PDF document text
- https://www.hippocratio.gr/ckfinder/userfiles/files/27065797612.pdfIn PDF document text
- https://cdmsig2.com/ckfinder/userfiles/files/41340317549.pdfIn PDF document text
- https://taipeitccia.org/CKEdit/upload/files/28144157238.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210908_6921708743A86DF4.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/vozevemulajibajidisasoma.pdfIn PDF document text
- http://4yoga.by/pics/files/38252284903.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/154580aa8bf1ee55b54fa21b4c5c7d30/bilakakegipifinorufumawa.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210904012258_1786606020.pdfIn PDF document text
- https://barrier.exma.cl/ckfinder/userfiles/files/vexadasijoxuwam.pdfIn PDF document text
- http://detaycopymatbaa.com/userfiles/file/71917787211.pdfIn PDF document text
- http://www.s4b.nl/upload/files/nixege.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_off0000bf68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF68 | 15992 bytes |
SHA-256: 086da320727ef324087909df3fca2a006a74a83e8e9e4e1df079965cb31d7b89 |
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font_01_sfnt_off0000e8b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B8 | 10144 bytes |
SHA-256: 632786246a52d34285950a3e36507655e517895cd4541278948c2089235fd2ee |
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font_02_sfnt_off0000ff51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF51 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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