MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, with high-confidence heuristics indicating embedded JavaScript and links to algorithmically-generated URLs. The presence of embedded JavaScript suggests an attempt to execute malicious code, likely to download a secondary payload. The numerous external links, many pointing to disposable domains, further support a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://luxesystem.site/js/ckfinder/userfiles/files/17754771667.pdf In PDF document text
- http://pandoraecza.com/genelresimler/file/tuzopafozazud.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/1n85pe5kou270950le4e82kcj1/liratezaful.pdfIn PDF document text
- http://girlstown.org/files/js/ckfinder/userfiles/files/93899580069.pdfIn PDF document text
- https://12shio2.com/contents/files/92184862257.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/29650459935.pdfIn PDF document text
- http://besttailor.info/ckfinder/userfiles/files/gexezamo.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/24362567060.pdfIn PDF document text
- http://rsentco.com/upload/file/80223133893.pdfIn PDF document text
- http://sichera.eu/userfiles/files/71631924504.pdfIn PDF document text
- http://veterina-naslunci.cz/userfiles/file/boxafawodazaxodimirumumo.pdfIn PDF document text
- http://myapartment.de/web/editor/files/11888662355.pdfIn PDF document text
- http://galettedesrois.eu/userfiles/file/27065362173.pdfIn PDF document text
- http://www.moyekolodin.com/files/wozevuwitijugozigut.pdfIn PDF document text
- http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/61174052643.pdfIn PDF document text
- https://falconshipping-uae.com/userfiles/files/17147262255.pdfIn PDF document text
- https://floridagreatescape.com/media/file/22437430933.pdfIn PDF document text
- http://promocode.lu/userfiles/files/litofidunididewivuvi.pdfIn PDF document text
- https://southwestlooms.com/admin/userfiles/files/86970268193.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/a07b1ecf7f621df5b31addf49409c809/rosiwufolugazofebobiso.pdfIn PDF document text
- https://rimi.sk/userfiles/file/vokukakidel.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/velenaxalijejivele.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/40771494498.pdfIn PDF document text
- http://mtreurope.com/ckfinder/userfiles/files/76271623785.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=turn+on+my+phone+screenPDF 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_off000105df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105DF | 10420 bytes |
SHA-256: bd27d3ec43389e55e0135f978d6ff1a8f715137e3648370b80ab706fdc0664f4 |
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font_01_sfnt_off00011d56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D56 | 17228 bytes |
SHA-256: abb28904039abeb03831eaf5f80406cd840cdf5276cceafe7db0a6da6981db5f |
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font_02_sfnt_off000149fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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