MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to link farms on disposable hosting. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to download a password-protected archive, a common tactic to evade gateway scanning. The ML classifier strongly flags this PDF as malicious, and ClamAV confirms it as a phishing trojan.
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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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://smidgel.ru/uplcv?utm_term=how+to+crack+a+wifi+password+using+android PDF link annotation
- http://kahsport.cz/userfiles/file/73766213285.pdfIn PDF document text
- http://hycxchina.com/filespath/files/20210902035938.pdfIn PDF document text
- https://mygenius.ru/admin/ckfinder/userfiles/files/bamopazik.pdfIn PDF document text
- https://qnzar.com/files/31890890421.pdfIn PDF document text
- http://proxima-design.cz/files/file/6954761356.pdfIn PDF document text
- https://snowcat.pl/admin/ckfinder/userfiles/files/17768994255.pdfIn PDF document text
- http://gomientrung.vn/uploads/image/files/mabumenadow.pdfIn PDF document text
- http://hk-keber.de/images/file/47351983015.pdfIn PDF document text
- https://biothiennam.com/media/ftp/file/genigivurabugorawoxogu.pdfIn PDF document text
- http://tentimesneedlehill.com/UPFILE/userfiles/files/pubarorenutepe.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613818d7001c1---94208802500.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/f6337b49b3ffcc0ec912221c140200eb/99532965666.pdfIn PDF document text
- http://lifecontinues.ru/images/files/98571249965.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/17175278506.pdfIn PDF document text
- http://miyisz.com/mingyi/images/userfiles/file/ruwijalenajikudesesuram.pdfIn PDF document text
- http://agrostroi-proekt.ru/ckfinder/userfiles/files/23426134273.pdfIn PDF document text
- http://kco.su/userfiles/file/40691245394.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/7831296251.pdfIn PDF document text
- https://rizecanreklam.com/images/file/kegaduxagukiwabes.pdfIn PDF document text
- https://minhvuongthuphap.com/upload/ck/files/73525998385.pdfIn PDF document text
- https://ikansambel.com/contents/files/sutes.pdfIn PDF document text
- http://kimhoatra.com/upload/fckimagesfile/93245601161.pdfIn PDF document text
- https://educationindiajournal.org/ckfinder/userfiles/files/sixiduzevemaziratiguloge.pdfIn PDF document text
- http://ckud.handysociality.com/upload/files/65398632539.pdfIn PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/wajefukimuxufikeberiso.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_off0000e1a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A2 | 10888 bytes |
SHA-256: 9068861aae13550b53480e58c5b04a89d5f4326a1249ff9dfd54cd03d8aa25de |
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font_01_sfnt_off0000fac5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC5 | 17560 bytes |
SHA-256: 19c9f9c30f87a88d5213d735de7f894faaabfd9b1bc74c69d1594420fdc52071 |
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font_02_sfnt_off00012860.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12860 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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