MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs pointing to disposable domains, characteristic of a phishing or credential harvesting campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically flags the use of a link farm on disposable hosting, reinforcing the phishing attack pattern.
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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://melnikhouse.com/userfiles/file/rogikozotowuzotun.pdf In PDF document text
- http://reckdance.pl/userfiles/file/vinomukegepenosaga.pdfIn PDF document text
- https://gkia.org/kingkong/userfiles/files/dewubasasukulale.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/9902395288.pdfIn PDF document text
- http://creaorganization.com/depo/sayfaresim/file/xevijoretomale.pdfIn PDF document text
- https://jagamimpi.net/contents/files/44389732293.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/nekogokopagem.pdfIn PDF document text
- http://abwrichmond.com/uploads/files/sorajogovarowobaxanemarun.pdfIn PDF document text
- https://nurdagihaber.com/resimler/files/savetarebipodubojopomudab.pdfIn PDF document text
- https://congchungnguyenlieu.vnpec.xyz/uploads/files/kivakosixatimuvesufuvodax.pdfIn PDF document text
- http://telegid.tv/userfiles/files/lazexexifuxumar.pdfIn PDF document text
- http://mondoacquapiscine.com/userfiles/files/nujanejopogamaba.pdfIn PDF document text
- https://classoft.ro/userfiles/file/35023731612.pdfIn PDF document text
- http://efuturesthai.com/uploads/files/kobusofefimev.pdfIn PDF document text
- http://milwaukee.center/userfiles/file/ravanewaxubabi.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/76734679398.pdfIn PDF document text
- http://dulwichtaxi.com/survey/userfiles/files/96129594774.pdfIn PDF document text
- https://europacreativaeuskadi.eu/files/galeria/files/besunol.pdfIn PDF document text
- https://matrixx.lu/images/fupegoguwederipereserilup.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/sarazix.pdfIn PDF document text
- http://ardennes.proximeo.com/ckfinder/userfiles/files/47817719321.pdfIn PDF document text
- http://ssss-sangam.com/userfiles/file/jegenosijabet.pdfIn PDF document text
- https://imahima.xyz/js/ckfinder/userfiles/files/vixikarudizebe.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f36802325b---zebel.pdfIn PDF document text
- http://restaurant-lyons.fr/userfiles/file/pojekupufakijinobo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=project+management+theory+and+practice+gary+richardson+pdfPDF 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_off0000e07a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE07A | 17120 bytes |
SHA-256: ece9167225a8debb6e24360c1567bf296b3f30440a0c889b4212890e07af07a3 |
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font_01_sfnt_off00010cb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000124ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124CE | 11268 bytes |
SHA-256: 29f93fc9bcbed46e1f8184085d741bd8bb22d6643a9d8dcd52100817486845a2 |
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