MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The presence of embedded JavaScript and a large number of external URIs, many of which are linked to disposable hosting, strongly suggests a phishing or credential harvesting attempt, or that the document serves as a downloader for additional malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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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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://archism.ru/uplcv?utm_term=android+localhost+1 PDF link annotation
- http://bishnutoursandtravels.in/userfiles/file/59569969103.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/51299500343.pdfIn PDF document text
- https://grouptm2.com/contents/files/dipogijewekavefoduguzola.pdfIn PDF document text
- https://fobh.net/userfiles/files/20404430367.pdfIn PDF document text
- http://chipgene.com/image/files/20210909_150306.pdfIn PDF document text
- http://www.premiumimport.nl/ckfinder/userfiles/files/76433428347.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/fesisetubezatiradoviluj.pdfIn PDF document text
- https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/37171291621.pdfIn PDF document text
- http://carlaschroyen.com/content_docs/vaxinebemuwuxamaguj.pdfIn PDF document text
- https://infoenergie-loire.org/userfiles/file/69230068107.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/luvozafikajarave.pdfIn PDF document text
- http://bluelakehomestay.com/uploads/image/files/buluvufinipurekudex.pdfIn PDF document text
- https://mercerapparelss.com/userfiles/files/tivuxuxavisadawoduruguj.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/jasatasokakera.pdfIn PDF document text
- http://portaldo.eu/contenuti/upload/file/68502193323.pdfIn PDF document text
- http://clinicaveterinariasangiacomo.it/userfiles/files/68792034713.pdfIn PDF document text
- http://galaxyjewel.cn/uploadfile/files/74400327330.pdfIn PDF document text
- http://pitin-akutsu.com/js/upload/files/riwuzi.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/wumofekodema.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/21272594551.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7d89bb97d---fuwizejabumitejavixegi.pdfIn PDF document text
- https://immo-cjeanpaul.lu/userfiles/files/lowimujosibinusivalav.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/48877018080.pdfIn PDF document text
- https://perfectprojects.ro/userfiles/file/lamezilifalarevobo.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/68239581935.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140115f0e2e4---72593108388.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_off0000e599.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE599 | 10368 bytes |
SHA-256: 762b7d4b0c6271fde1ea2bd955a42e9edfa2c2c8a55c60f762300a7bdcd59b03 |
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font_01_sfnt_off0000fcfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCFE | 19180 bytes |
SHA-256: 15d52ad7a7f307592605890e95841593397f4183c42ef78f45042c0c2691f3e6 |
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font_02_sfnt_off00012eca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ECA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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