MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. The 'SE_CALLBACK_LURE' heuristic specifically indicates a callback phishing or tech-support scam pattern, where the document likely prompts the user to call a phone number. While no scripts were extracted, the PDF structure and numerous embedded URLs suggest an attempt to redirect users to malicious sites or facilitate further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://ediljolli.com/userfiles/files/72282118939.pdf In PDF document text
- http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/bawazatawebogubizaxo.pdfIn PDF document text
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/sipuzatafibomuzuxulu.pdfIn PDF document text
- http://showpelec.com/data/file/20210908_211457_176.pdfIn PDF document text
- http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/35832030021.pdfIn PDF document text
- https://www.miotsukushi.or.jp/system/ckfinder/userfiles/files/66222675933.pdfIn PDF document text
- http://planao.com/ckfinder/userfiles/files/xepotapowuxasidir.pdfIn PDF document text
- http://msiutilities.biz/documents/vizikisino.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/65841770095.pdfIn PDF document text
- http://bielle-srl.com/userfiles/files/kebulep.pdfIn PDF document text
- https://hogies.com/includes/template/uploads/file/xikofinijotujoru.pdfIn PDF document text
- http://baracenter.be/userfiles/file/94350236548.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210917110340.pdfIn PDF document text
- http://przystaneknida.pl/data/aktualnosci_imgs/file/67525135022.pdfIn PDF document text
- https://matrainagycsalados.hu/userfiles/file/44232363140.pdfIn PDF document text
- https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/94855110042.pdfIn PDF document text
- https://zmiz.hr/userfiles/file/tosut.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/15977210017.pdfIn PDF document text
- http://www.mostex.sk/files/articles/file/16555867524.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6a7153411---57114363611.pdfIn PDF document text
- https://textosl.com/upload/editor/file/17515991325.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16137fcf06d238---21848342116.pdfIn PDF document text
- http://kfoodntea.com/dataroom/file/7527391800.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=grammar+translation+method+of+teaching+englishPDF 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_off0000f1af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AF | 10964 bytes |
SHA-256: 194a755f171eb8c1bee0d645b66825c5c1ab9d18e16eae18258c6ac15feeb9f6 |
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font_01_sfnt_off00010abe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122D0 | 18508 bytes |
SHA-256: bf098204e10a2fd8ac321db6a0189a3108dfde191e5a9bbd1c6f4bf7053b0a95 |
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