MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The sample was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The PDF contains numerous embedded URLs pointing to other PDFs hosted on various websites, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically identifies this pattern as suspicious, indicating a potential phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 5
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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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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 https://akproauto.com/nbloom/fckuploads/file/33647739271.pdf In PDF document text
- https://cincia.ro/ckfinder/userfiles/files/98555700766.pdfIn PDF document text
- http://imobilestore.de/userfiles/file/fojagavonurisuzeloroz.pdfIn PDF document text
- http://american-security-inc.com/assets/ckfinder/userfiles/files/bofaduxulaxiwopevukugoj.pdfIn PDF document text
- http://cissi.it/userfiles/files/zegute.pdfIn PDF document text
- https://truckforceone.eu/upload/editor/file/28716369309.pdfIn PDF document text
- https://gedayapi.com/userfiles/file/2992760696.pdfIn PDF document text
- https://anakaygame.net/calisma2/files/uploads/girezabog.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/zinuxurutubiwoxopolonawu.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16144a41363520---ditilunorebozawaziz.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/noritufaweresada.pdfIn PDF document text
- https://zoorichi.com/temp/fckeditor/file/28596486121.pdfIn PDF document text
- https://shreenathtechnologies.com/userfiles/file/22688076067.pdfIn PDF document text
- https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/bitowemipuwadugefi.pdfIn PDF document text
- http://anaminfo.com/attachfile/file/82728445504.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/29151737983.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/48911405017.pdfIn PDF document text
- http://consade.com/userfiles/file/vofilegusa.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/lafekafadebuzinujujone.pdfIn PDF document text
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/95967655522.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133336d0484a---bipimitolotenivipapaxis.pdfIn PDF document text
- http://ks-system.co.uk/ckfinder/userfiles/files/58096356385.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=my+hero+academia+season+5+in+english+release+datePDF link annotation
- 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_off0000b307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB307 | 11056 bytes |
SHA-256: 2f8b837843bdb6df9be6a858fe972677157d635ac8d81b4ae99256171cb899ee |
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font_01_sfnt_off0000cc74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC74 | 15836 bytes |
SHA-256: dd9a5de396592c38a9aef4d0eac4546f0c58c8f12e4a1f56dfda66474b35b04f |
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font_02_sfnt_off0000f53c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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