MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external sites, many of which host other PDF files, suggesting a link farm designed to obscure the true malicious destination. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.6634
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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 http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135668434189---75519171755.pdf In PDF document text
- http://abwingsjanaf.com/uploads/files/valalugujumodi.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130749757056---dutumuda.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/xiluwubejojevixor.pdfIn PDF document text
- https://barcelona-health.com/files/galeria/files/zibosakasitemejapijage.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/49935543747.pdfIn PDF document text
- http://mp-journal.com/media/file/wuxodowililetax.pdfIn PDF document text
- http://shsuorui.com/uploadfiles/fckeditor/20210917/file/16319022146767.pdfIn PDF document text
- http://salocchi.it/userfiles/files/24927931022.pdfIn PDF document text
- http://cuanhuaabshanquoc.vn/files/27529000407.pdfIn PDF document text
- http://sushiyaslo.com/uploads/files/nalewogixo.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/nixifurabafosanotabutoke.pdfIn PDF document text
- https://eownauto.com/uploadpic/files/65712964105.pdfIn PDF document text
- http://tartak-monis.pl/tartak/images/file/wabuludimenu.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1614993e16e13a---32732453358.pdfIn PDF document text
- http://www.puhito.hu/uploads/tapoxaxig.pdfIn PDF document text
- https://globalmediaminds.com/uploads/files/40515352362.pdfIn PDF document text
- http://th-hl.com///upload/files/pewigumeze.pdfIn PDF document text
- http://palestraarkadia.it/userfiles/files/takojeb.pdfIn PDF document text
- https://colegiumaniucarei.ro/ckfinder/userfiles/files/jovisuvo.pdfIn PDF document text
- https://ximangcampha.vn/upload/files/1907999147.pdfIn PDF document text
- http://munnarteabungalows.com/userfiles/file/pevomudirekekelut.pdfIn PDF document text
- http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/palorisova.pdfIn PDF document text
- http://rracc.com/file_media/file_image/file/suniditoku.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=aplicacion+para+grabar+audio+androidPDF link annotation
- 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_off0000fe15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE15 | 19712 bytes |
SHA-256: 15bba03a0202ae067c1bd5bfb9267f6b7b5c385598a55cf9bf3fa9d52c3b438c |
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font_01_sfnt_off00012ff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FF0 | 10512 bytes |
SHA-256: 84fa802a6abdfbc5248644763ebfd09a130b2e529a29e1a28d33fc85aae7a9d0 |
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font_02_sfnt_off0001477e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1477E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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