MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF document was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous external URLs, many pointing to disposable hosting, and the 'SE_CALLBACK_LURE' heuristic indicate a phishing attempt. The document body, though heavily obfuscated, is consistent with lures designed to trick users into calling a fraudulent support number.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://inwebjor.ru/uplcv?utm_term=what+is+rilnotifier+app PDF link annotation
- http://cafesezony.ru/fck_editor_files/files/58045675362.pdfIn PDF document text
- https://tectrongim.com/uploads/file/sunexok.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143eafdcbbae---13779736269.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1631955947.pdfIn PDF document text
- http://mylodge-naoshima.com/80225805908.pdfIn PDF document text
- https://sinarlangit1.com/contents/files/watifafepigagi.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16132231a34dc5---zemimobivafubakaterun.pdfIn PDF document text
- http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/94885848088.pdfIn PDF document text
- http://nerezove-kuchyne.cz/UserFiles/File/lajujagupex.pdfIn PDF document text
- https://girisimhaber.com/uploads/file/dumowujefus.pdfIn PDF document text
- http://magic-mugs-factory.com/uploadfile/files/rolep.pdfIn PDF document text
- http://xatrbio.com/userfiles/file/49762891264.pdfIn PDF document text
- http://trungtamsangloc.vn/uploads/ck_upload/files/22721004345.pdfIn PDF document text
- http://rkenterprisesonline.com/FCKeditor/file/sibusomamimivijomekomokis.pdfIn PDF document text
- http://www.primariasantana.ro/uploads/file/bivebixedojuweg.pdfIn PDF document text
- http://rhondachem.com/d/files/pivobegogimofotalaxujobu.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142c993a4c0f---pujojude.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/xigototitipolagexa.pdfIn PDF document text
- http://lukinserv.hu/file/tudiduxiwetevuwujozekuj.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/gobazonobik.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/dutoxajiwu.pdfIn PDF document text
- http://kaies.net/upfiles/file/98485722762.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/5063390436.pdfIn PDF document text
- http://verduciautodemolizioni.it/userfiles/file/vegodusef.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_off0000df0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF0E | 17596 bytes |
SHA-256: 8b4235456459d28b9ef5ce0b387b5553a9f34628e54acefcfbf40a894fcec826 |
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font_01_sfnt_off00010c70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C70 | 10448 bytes |
SHA-256: f7e41c73e94fcbfe2467744cb1f9ec861d94f0194a6533db63216ab7c943eb69 |
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font_02_sfnt_off00012419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12419 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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