MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external URLs, with one specifically flagged as an algorithmically-generated URL, suggesting a link farm or redirection mechanism. These elements indicate the PDF is likely designed to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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://salocchi.it/userfiles/files/666992615.pdf In PDF document text
- http://equipociclistaugeraga.com/ciclistas/userfiles/file/12251593889.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/82033879294.pdfIn PDF document text
- https://cantellodetersiviprofessionali.it/uploads/file/39904935776.pdfIn PDF document text
- http://tylincms.com/userfiles/files/pizudajidufumidumeri.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/fekemukopute.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/d261beee4238e1020965a03bd3c43366/gewope.pdfIn PDF document text
- http://k9careclinic.in/ckeditor/ckfinder/userfiles/files/79458942710.pdfIn PDF document text
- http://serextion2006.com/js/upload/files/60893419344.pdfIn PDF document text
- http://roberthalasz.eu/uploads/file/85202419004.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/xobozopexuw.pdfIn PDF document text
- http://degeninhotel.ru/admin/ckfinder/userfiles/files/limatarobemixu.pdfIn PDF document text
- https://un7un9b3rl1pa7-99.com/contents/files/45418557294.pdfIn PDF document text
- http://rockhouseschool.com/rockhouse/uploads/files/vevib.pdfIn PDF document text
- http://lpc2529.com/piceditor/file/20442159868.pdfIn PDF document text
- http://free-note.kr/files/fckeditor/file/15515099256136485b2bd83.pdfIn PDF document text
- https://termokingbt.com/ckfinder/userfiles/files/retotanagomuxuvolazuriri.pdfIn PDF document text
- http://i-akparat.kz/ckfinder/userfiles/files/30597799361.pdfIn PDF document text
- http://katachizu.com/img/news/files/wepaxoniluvipotoxopivuvom.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/puvixokoworasigaxi.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/texomasokevojedunirunawed.pdfIn PDF document text
- http://daindnc.com/fckeditor/userfiles/file/94470745066.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/81110226071.pdfIn PDF document text
- http://duoctruongxuan.vn/userfiles/image/file/fijoramuwex.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/kubawovejilofemin.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=long+p+wordsPDF 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_off0000b3fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC12 | 10080 bytes |
SHA-256: 9b2da5808d94ba131ec8293d899b67846e29faf233988c3edc209aa5d9a7bc21 |
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font_02_sfnt_off0000e26a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE26A | 15612 bytes |
SHA-256: fe15c71ef6eab30b8bb9fc53d710a744b50907a0c8d37181bee4b8f2d9d9d044 |
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