MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and heuristic firings like 'PDF_RANDOM_URL_LINK' and 'PDF_SEO_DISPOSABLE_LINK_FARM' point towards a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://irlanc.ru/uplcv?utm_term=frp+hard+reset PDF link annotation
- http://doudou.tw/userfiles/files/xiwebutadavilozipepebaz.pdfIn PDF document text
- http://internet-trade.eu/UserFiles/file/61270628048.pdfIn PDF document text
- http://phutungquanghieu.com/app/webroot/files/ckfinder/files/60447076988.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/selulobufimevat.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/94977369437.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161301b984b27b---beratuzebiduxetotajet.pdfIn PDF document text
- http://ohxto.com/uploaded_files/userfiles/files/64279771481.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/fekiwad.pdfIn PDF document text
- http://bestapp4u.com/admin/uploadedfiles/file/revigapilis.pdfIn PDF document text
- http://thuexedanang247.com/uploads/image/files/94982432408.pdfIn PDF document text
- http://parejalecaros.com/adjunto/upload/fck/files/tetorapifixaj.pdfIn PDF document text
- https://kawanmto.com/contents/files/77884617883.pdfIn PDF document text
- http://vasset.bg/userfiles/file/49519114674.pdfIn PDF document text
- http://workontext.ru/media/file/bolix.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/mpnhur5s6ekk9rm43oi8rp4pf4/30628698698.pdfIn PDF document text
- http://cjatkinson.com/userimages/51734513868.pdfIn PDF document text
- http://scales-center.com/shop/fck_file/file/32919261301.pdfIn PDF document text
- https://sikdercollegeofpharmacy.com/scp/ckfinder/uploads/userfiles/files/magixu.pdfIn PDF document text
- http://domadoma.cz/userfiles/file/duwarevasa.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/tigupazubeg.pdfIn PDF document text
- https://solucionaesp.com/ckfinder/userfiles/files/golutidujomixuxuredujaxiv.pdfIn PDF document text
- https://ambulatorioveterinariosismondi.eu/file/6250999338.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/ragupezejedoxoterikaxo.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/61519808602.pdfIn PDF document text
- 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_off0000bc56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC56 | 17140 bytes |
SHA-256: c48f1b841f815c6c4ce8c416d62f46522ded6f27872f3f89698e2d688ed20b8e |
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font_01_sfnt_off0000e88d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000100a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A4 | 10104 bytes |
SHA-256: 6ced04b7fcc6bb944150a8614c5425d9fabbb6ef9e3ee84983e88696eb6ae2ed |
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