MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a lure for a password-protected archive. The document body is heavily obfuscated, but the presence of external URIs, including one disguised as a search result for hacking-related terms, suggests a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the execution of malicious code or the redirection to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://inwebjor.ru/uplcv?utm_term=how+to+hack+someone+instagram+without+password PDF link annotation
- https://stichtingech.org/ckfinder/userfiles/files/jakun.pdfIn PDF document text
- http://yonezawanet.jp/units/24250/zcycom/files/sozewebuvelegofejud.pdfIn PDF document text
- https://beaszemin.com/files/15843486462.pdfIn PDF document text
- http://stsmcc.org/www/js/ckfinder/userfiles/files/74774135947.pdfIn PDF document text
- https://vibangnhadat.com/uploads/files/xajudoj.pdfIn PDF document text
- http://sandlnae.com/data/editor/file/94238287326.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/babemaxixi.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109070244138645.pdfIn PDF document text
- https://bolahijau.com/contents/files/39834712737.pdfIn PDF document text
- http://a2hgghk.handylover.com/upload/files/94167688884.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/tororutaviboxituzarowuzek.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/dusekaki.pdfIn PDF document text
- http://radtel-sport.pl/userfiles/file/kovexowinadinudidogir.pdfIn PDF document text
- http://raczcsalad.hu/files/86699345107.pdfIn PDF document text
- https://pmcp-avac.com/files/upload-ckfinder/files/27079924274.pdfIn PDF document text
- http://dulichgiahy.com/upload/file/88739305381.pdfIn PDF document text
- https://reklama71.ru/upload_picture/55427507594.pdfIn PDF document text
- http://fotografiafrancescosomma.com/userfiles/files/doxetadobadurolagewusel.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-16/20210916023118969486.pdfIn PDF document text
- https://mytopics.it/uploads/file/pavitujenizufafugazesopax.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/dagolosiganubugajum.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16131a9a91f2af---60883938062.pdfIn PDF document text
- http://sinoorchids.com/image/file/37608799693.pdfIn PDF document text
- https://vinamex.info/uploads/news_file/vapusakinebinoviludajor.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_off0000d0e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E6 | 11184 bytes |
SHA-256: f4b5c3c3c0c0c84750740d417d370e32e3023df7000ccd0df70313b59ef92746 |
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font_01_sfnt_off0000eab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAB9 | 17800 bytes |
SHA-256: a22099c9b30b4a2078e9e7697026d8e8f9ab1835f21ee7c882de0e1e6c4892ec |
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font_02_sfnt_off00011834.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11834 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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