MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to a raw IP address, indicating malicious intent. The ML classifier and ClamAV detection strongly suggest this is a phishing or malware distribution document. The presence of embedded JavaScript points to its use in executing malicious actions within the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://krisoc.ru/uplcv?utm_term=pickcrafter+amp+codes+for+large+chest+2021 PDF link annotation
- http://nomorecpapmachine.com/userfiles/files/kufebu.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613104551e240---82315842103.pdfIn PDF document text
- http://karikatura-kovarik.cz/files/file/damarimo.pdfIn PDF document text
- https://maths-pdf.fr/ckfinder/userfiles/files/rurovufalivugilad.pdfIn PDF document text
- http://lagrupacio.cat/file/62758477.pdfIn PDF document text
- http://learnersdigest.org/userfiles/file/87873898245.pdfIn PDF document text
- https://full-e.com/app/webroot/userfiles/files/20210928_145605.pdfIn PDF document text
- https://afmiletisim.afmiletisimajansi.info/resimler/files/16984956899.pdfIn PDF document text
- http://tc-antey.ru/uploads/files/72422520382.pdfIn PDF document text
- https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/rutevabevemixubezemogo.pdfIn PDF document text
- http://mentor-tutor.com/newGroserLikeProject/uploads/files/15283913574.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/58888289565.pdfPDF link annotation
- http://pphjako.pl/userfiles/file/15815571436.pdfIn PDF document text
- https://panoramabyty.cz/content/lafosixulegota.pdfIn PDF document text
- http://855solution.com/htdocs/cljr/data/files/41885370785.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/32627828902.pdfIn PDF document text
- http://sakulchaiplace.com/Uploads/file/7584895234.pdfIn PDF document text
- http://eschool365.in/js/admin/uploadfiles/file/gimekewufol.pdfIn PDF document text
- https://indiachristian.org/uploads/files/24001474500.pdfIn PDF document text
- http://patanamachine.com/imgUpload/files/zirasepejafuf.pdfIn PDF document text
- https://leganordavigliana.it/uploads/file/66417824278.pdfIn PDF document text
- http://mosme.org/uploadfile/files/52726283083.pdfIn PDF document text
- http://sweed-trans.eu/ckfinder/userfiles/files/liwuguzi.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_off0000da9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA9D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B4 | 11352 bytes |
SHA-256: 22b889f30965c3cce9803b1d87b937bdd15bc67cece58e55cd8f0a5683001b79 |
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font_02_sfnt_off00010d4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D4C | 20316 bytes |
SHA-256: 7b9fae6f4738cdb5f055a767bc41eaeed2e99ad3cb0cbca95dcbda849ef17673 |
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