MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
T1553.005 Security Software Installation
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious content. The presence of a 'Security software disable instruction' heuristic strongly suggests the document's intent is to prompt the user to lower their defenses. While no scripts were explicitly extracted, the document's structure and numerous embedded URLs pointing to potentially malicious PDFs indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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 http://musthighschool.mn/ckfinder/userfiles/files/zumofagenetudifariwepap.pdf In PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cde2113807---jukuwudovijuxakadekitob.pdfIn PDF document text
- http://gomientrung.vn/uploads/image/files/71685958040.pdfIn PDF document text
- http://villabrown.it/userfiles/files/fajovabuniwil.pdfIn PDF document text
- http://dachastyle.com/userfiles/file/vutinegakajubodubo.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/2g6t922j60jkvao7arhlerksh4/9295433698.pdfIn PDF document text
- http://landroverbh.com/ckfinder/userfiles/files/savavukenakelinukozujanub.pdfIn PDF document text
- http://gamaxmotor.cz/data/dokumenty/75588488267.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/49351270301.pdfIn PDF document text
- http://nbkhjc.com/uploads/202108/file/210831223026314680egv19n8nikis.pdfIn PDF document text
- http://ejmk.com/ej/upload/files/jipereditujadiwokona.pdfIn PDF document text
- http://uni-soar.com/userfiles/file/53035043551.pdfIn PDF document text
- https://promtour-rural.ro/userfiles/file/nodoki.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/72937352801.pdfIn PDF document text
- https://olivier-daulte.com/ckfinder/userfiles/files/49097232142.pdfIn PDF document text
- http://hz-kontejnery.cz/ckfinder/userfiles/files/18899139071.pdfIn PDF document text
- https://stl-log.com/htdocs/cljr/data/files/23282226251.pdfIn PDF document text
- http://ratchadatitan.com/UserFiles/File/77985540953.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/menojivareladepobavokes.pdfIn PDF document text
- http://hasadtemizlik.com/upload/file/21485672922.pdfIn PDF document text
- https://twinslock.com/locktactyuma/userfiles/file/64911057678.pdfIn PDF document text
- http://artattack-concerts.de/files/file/tigomiretevekuxor.pdfIn PDF document text
- http://elvirajogsi.hu/ckfinder/userfiles/files/43425654650.pdfIn PDF document text
- http://kubak-ubezpieczenia.pl/userfiles/file/79419609841.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/likukikagamima.pdfIn PDF document text
- https://lifeteacher.tw/uploads/files/202109071318069973.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=cricket+19+android+versionPDF 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_off0000cfdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFDB | 18688 bytes |
SHA-256: 976ba7814b755e6d0fe452dd61ac1f78679d19fbe29773592c77612213c20948 |
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font_01_sfnt_off0001013d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11954 | 10724 bytes |
SHA-256: cdee9ec4b40f04b106eecb61bdd2ec414afc8d8b62cc1ae65198169c8a616b07 |
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