MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as a phishing trojan and by an ML classifier. It contains embedded JavaScript and numerous external links, many of which point to disposable domains or are structured as link farms, suggesting a phishing or malware distribution attempt. The presence of embedded JavaScript indicates an attempt to execute malicious code within the PDF viewer.
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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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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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://drafthe.ru/uplcv?utm_term=can+you+tell+who+views+your+instagram PDF link annotation
- https://primer-spb.ru/files/files/tibolebumalum.pdfIn PDF document text
- https://hiperaktivite.info/userfiles/files/momagafavabufopotafovazav.pdfIn PDF document text
- http://ilsungwarehouse.com/userData/ebizro_board/file/44882380083.pdfIn PDF document text
- https://ijp2.com/contents/files/letikuk.pdfIn PDF document text
- http://cyklo-sport-servis.cz/UserFiles/File/ronexaloziwona.pdfIn PDF document text
- http://www.macrolepidoptera.hu/userfiles/files/75411762942.pdfIn PDF document text
- http://adice-area.com/pictures/files/88439348841.pdfIn PDF document text
- https://aneri12.eu/res/file/86469512771.pdfIn PDF document text
- http://uniroll.pl/user_images/file/29676999257.pdfIn PDF document text
- http://hiace-yoshikawa.com/js/upload/files/panalunuvunezaw.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/485909893.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/13405730356.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/51581411576.pdfIn PDF document text
- http://xn--oy2b9bv81anouola.com/upload/file/202109040000130893.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/53007777425.pdfIn PDF document text
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/zomofuvif.pdfIn PDF document text
- https://ristovski.mk/public_html/upload/userfiles/file/23797106769.pdfIn PDF document text
- http://lifecare4all.com/upload/files/lefuwuvinonipujatix.pdfIn PDF document text
- https://mallorcaboom.com/res/wysiwyg/file/57559566846.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b8ae7cec5---55934803008.pdfIn PDF document text
- http://bordahusfeldolgozo.hu/editor_up/punibizatadugirepusoja.pdfIn PDF document text
- https://raljob.com/userfiles/file/xifimapul.pdfIn PDF document text
- http://vuason.vn/upload/files/70355546293.pdfIn PDF document text
- https://hsiaoying.com/userfiles/file/wironeve.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/64a392f270422e532e2f6692ad021313/mukigerebosobed.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_off0000de4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF665 | 10952 bytes |
SHA-256: 0e95809f49f341e64f12bbb29e9e266067470b3793f48fec45c9bdfcd79d054d |
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font_02_sfnt_off00010fbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FBB | 17428 bytes |
SHA-256: 8ff38690a5179586c0f557358e48e3aaf78e20417371803ac1db4471f5cf5585 |
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