MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code or redirecting users to malicious sites. The presence of numerous external links, many pointing to PDF files on unknown domains, further suggests a phishing or malware distribution attempt. ClamAV and ML classifiers also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://regionalhealthprogramsww.com/images/file/12301751851.pdf In PDF document text
- http://hk-bbc.com/upload/file/32917427604.pdfIn PDF document text
- http://namngonviet.vn/user-/files/mamakexinofuzumegoki.pdfIn PDF document text
- http://gioithieu.btccorp.vn/uploads/files/79201118988.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/vomuga.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/betikizofiwopeso.pdfIn PDF document text
- http://imbirimbir.ru/files/lawewor.pdfIn PDF document text
- http://plusk-car.com/js/upload/files/lilexogajexukisoz.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/turozusurimedofujezite.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/31010585171.pdfIn PDF document text
- https://thic.net/plugin/ce1/ckfinder/userfiles/files/xuxumaxegowirafu.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/30830441040.pdfIn PDF document text
- http://newworldss.com/uploads/file/73189609513.pdfIn PDF document text
- http://geotersrl.it/file/jawexakugemu.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/gowajujepupunitaxatedap.pdfIn PDF document text
- http://www.atsamuihaus.com/image/upload/File/tovip.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021090304465786.pdfIn PDF document text
- https://aldapa.eus/files/galeria/files/92615042989.pdfIn PDF document text
- http://recuva.kr/upload/fck_img/1631805384/file/7007308385.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/seromikobajujomifu.pdfIn PDF document text
- http://adas-muko.pl/photo/file/84193723035.pdfIn PDF document text
- https://www.vita-organic.eu/admin/ckfinder/userfiles/files/laroxege.pdfIn PDF document text
- https://goodmix-psc.com/userfiles/files/62881757594.pdfIn PDF document text
- http://temple.mo/userfiles/file/85285273709.pdfIn PDF document text
- https://www.seblocation.com/ckfinder/userfiles/files/60157354661.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=what+does+the+emoji+look+like+on+androidPDF 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_off0000b363.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB363 | 10728 bytes |
SHA-256: 4191f6e194d665beb6d8a2c79a28645d92e2334b49fbd134a8446e745b24da2f |
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font_01_sfnt_off0000cbc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e3d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3D9 | 14340 bytes |
SHA-256: d35a8991472ce8ad6ef9e45635517cc33118743354fe0e0119699b77f670b939 |
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