MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external PDFs hosted on various domains, many of which appear to be disposable or low-reputation. The heuristic 'PDF_RANDOM_URL_LINK' specifically flags a link to 'http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/ximatejud.pdf', indicating a malicious intent to redirect the user. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://duel.pl/userfiles/file/66164712118.pdf In PDF document text
- http://ibb-online.ru/f/file/lijonanonozegigajukitiwif.pdfIn PDF document text
- http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/ximatejud.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/57922795684.pdfIn PDF document text
- http://omegapizza.net/uploads/files/xujuboloko.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/fuleloro.pdfIn PDF document text
- https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/ferebefigaxix.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/1f322d2f2110012fe076901bf18334e8/pubagemiz.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/biguwiporajewunigutor.pdfIn PDF document text
- http://thsport.dk/userfiles/file/57490239194.pdfIn PDF document text
- http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/tixifoketuwagesopox.pdfIn PDF document text
- http://xn--82ca1bkibi6eufn5bh1b7i3e.com/UserFiles/File/80462347982.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/53013857624.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614137b8e0cbd---66209959457.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16139c147e9d24---86775541071.pdfIn PDF document text
- http://sungwoneng.com/upfile_editor/2021/files/dibujubikapuxiparulekire.pdfIn PDF document text
- http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/fofodenavabuwimijul.pdfIn PDF document text
- http://cafegreenwichvillage.com/uploads/files/vopiju.pdfIn PDF document text
- https://classoft.ro/userfiles/file/65251400355.pdfIn PDF document text
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/40933731388.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/34262940572.pdfIn PDF document text
- https://espritgt.com/userfiles/file/zipemolutudagiwotekafusiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=hunger+games+synopsisPDF 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_off0000c83f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC83F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e056.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE056 | 10656 bytes |
SHA-256: 95e64606e322f886df8a381757511f15046d341f431a01dd56bb80b6c6483ebd |
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font_02_sfnt_off0000f8a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A8 | 16984 bytes |
SHA-256: 90e7f3a184800c0aff3b97b4d999c9d1aeada8e88cc71ba77837734544e5a264 |
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