MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external links, many pointing to disposable domains, indicating a phishing or malware distribution attempt. The high ML and ClamAV scores confirm its malicious nature, likely serving as a lure to download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://uptownchantilly.com/uploads/files/63065071462.pdf In PDF document text
- http://fu-xin.tw/uploads/files/202109102238342672.pdfIn PDF document text
- http://jolanyee.com/upload/files/202109110116132129.pdfIn PDF document text
- https://ojazzdance.fr/userfiles/file/72952648891.pdfIn PDF document text
- http://spellenindex.nl/images/uploads/kataweme.pdfIn PDF document text
- http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/51404511708.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/fe1cbc68421a5e481ebf801a0cf8e346/40585919244.pdfIn PDF document text
- http://olddieselparts.com/ckfinder/userfiles/files/32865312800.pdfIn PDF document text
- http://fxmeat.com/upload/file/270f357fdb4c17ace6394ba3e744bed4.pdfIn PDF document text
- http://chalappuram.com/userfiles/file/zoxakenoluvovunomukup.pdfIn PDF document text
- http://nghieuphong.com/upload/files/ledegafakakekij.pdfIn PDF document text
- https://pmsp-me.com/userfiles/files/9297985164.pdfIn PDF document text
- http://nitecoreromania.ro/files/file/gikima.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d901ec896e---36736295901.pdfIn PDF document text
- http://agt.es/files/galeria2/files/gukubew.pdfIn PDF document text
- https://rowanmkt.com/Uploads/ckfinder/userfiles/files/sofomasove.pdfIn PDF document text
- http://predit.ru/admin/ckfinder/userfiles/files/zofosebumapudiwixete.pdfIn PDF document text
- http://posicert.com/upload_fck/file/2021-9-14/20210914071036367229.pdfIn PDF document text
- https://www.jancsoalapitvany.hu/ckfinder/userfiles/files/79714876691.pdfIn PDF document text
- http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/kikizagonebedopelonoto.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/kisavenururiranaze.pdfIn PDF document text
- http://hangtatmj.com/userfiles/lezimuj.pdfIn PDF document text
- http://velocimapper.com/webfiles/file/kewokeki.pdfIn PDF document text
- https://rpdev.org/ckfinder/userfiles/files/33867735702.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=gyroscope+apk+downloadPDF 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_off0000e1bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1BB | 10648 bytes |
SHA-256: 108f1fe336a3fa853700492299a771c3f94b9fda36813c1e7cdeef546cf24501 |
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font_01_sfnt_off0000fa5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA5B | 18552 bytes |
SHA-256: bf524f0f6f2ad0d6d88476fe4bdbdf465a9419ba8f3c7e6b2a55af7fee98589c |
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font_02_sfnt_off00012a29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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