MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and numerous external links, many pointing to disposable domains, suggests a phishing or credential harvesting attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the document is part of a link farm designed to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://maintogelonline.info/contents/files/masijituxajovoxuvape.pdf In PDF document text
- http://hengfengpaper.com/filespath/files/20210927035231.pdfIn PDF document text
- https://sikanderajam.com/Robinson/ckfinder/userfiles/files/vapefodupebibarekisosewat.pdfIn PDF document text
- https://big-affaires.com/img/pics/files/wuwitufitobexip.pdfIn PDF document text
- https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/zelulivulevalonu.pdfIn PDF document text
- http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/66941528364.pdfIn PDF document text
- https://carolinevlieghe.fr/images/file/74191028376.pdfIn PDF document text
- https://eirai.org/editor/ckfinder/userfiles/files/xuvifowumejunuzik.pdfIn PDF document text
- http://manuale.aziendasulweb.it/userfiles/files/29254581255.pdfIn PDF document text
- http://due.pt/js/ckfinder/userfiles/files/32194103037.pdfIn PDF document text
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/16323199443.pdfIn PDF document text
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/torikej.pdfIn PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/saxatiginimesazovosugasu.pdfIn PDF document text
- https://ashleymongolia.mn/uploads/files/76326056291.pdfIn PDF document text
- https://skostishoes.com/userfiles/file/mewilojupejujog.pdfIn PDF document text
- http://vaonhaphatphap.com/images/uploads/files/4772441811.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/wefapogonagatudomenu.pdfIn PDF document text
- https://architektor.ru/uploads/file/55496520713.pdfIn PDF document text
- https://bor-diing.com/upload/files/sajutotitesajul.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614202d50df97---91557464999.pdfIn PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/vupefonawifekiv.pdfIn PDF document text
- https://nevjegyzek.eu/uploads/file/41739000626.pdfIn PDF document text
- http://www.pilatesyoga.hr/files/files/43647619080.pdfIn PDF document text
- http://jj-metals.com/userfiles/file/2021091221521173499.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=cute+cut+pro+free+apkPDF 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_off0000b22a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB22A | 14320 bytes |
SHA-256: 7f6cafba24463fbeecef918a399feeddfeeffec0048c74de96086a908ef0ce93 |
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font_01_sfnt_off0000d5e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000edfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFA | 10284 bytes |
SHA-256: d3092c7ec81a097ce75e695a6ffee35f5c01fc6674e701fc4aa3f19b63bdeaf1 |
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