MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights this tactic, aiming to obscure the true destination. The presence of external URI links further supports the attack pattern of luring users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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 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 https://huntic.ru/uplcv?utm_term=harry+potter+and+cursed+child+pdf+download
- http://celyroknaterase.sk/editor_uploads/system/files/pimopunupiwajubedijemu.pdf
- https://people11people.com/uploads/File/78283685901.pdf
- http://alt-1c.ru/userfiles/file/60842214116.pdf
- https://cplastik.cz/data/cms/file/11856883851.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608effcb92d8f---36782538833.pdf
- https://airtelco.com/data/users/_/email/files/44114593986.pdf
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/fekosozevawo.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff8379f2ca---vebesirolagubuxu.pdf
- http://www.advokat.com/app/webroot/img/fck/file/xixapojigokipeges.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16081d9b90a86f---kojenek.pdf
- https://thekolkatapackersmovers.com/ckfinder/userfiles/files/vusufimenijefaledepu.pdf
- https://capecoralliving.com/media/file/33213043633.pdf
- https://twfern.org/upload/ckfinder_temp/files/20210528100425.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/4cbefbb167f17d507a37ae5867bca060/valulusogurajawafopenafu.pdf
- https://alternatifhirdavat.com/upload/ckfinder/files/42053143339.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/7f479ea05371ea2ff7f891880583db6a/21114077236.pdf
- http://kco.su/userfiles/file/14240344721.pdf
- http://yesilderecine.com/admin/editor_resim/file/delesu.pdf
- https://bselink.com/userfiles/file/dufufutetun.pdf
- https://faprosid.com/file/mugilaguvenulobotimib.pdf
- http://kapelski.pl/userfiles/file/96746088667.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/mlqs0o99l5shlrkhqr3g5fgafl/17009037117.pdf
- http://olgapolyakova.com/files/files/kogebifenatepudil.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b459b2bdbff---fetuzelalujexusetodu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec67.binbe91297ac1bc3a6acac7cd69d1a474bd72bec4cc80423cf7fa5ba43b2bb225ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC67 | 11008 bytes |
font_01_sfnt_off000105ef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105EF | 16792 bytes |
font_02_sfnt_off00011e01.bine998f5caf4e001d0a4ead97ae8f3a2ef81b330a4bce380f3aafb277a74f12289 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E01 | 17160 bytes |
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