MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs that point to external resources, some of which are hosted on compromised CMS upload directories. This suggests a phishing or redirection scheme designed to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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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://mobydick-band.de/fckdata/file/43329669957.pdf
- http://applecentervn.com/uploads/image/files/16908270786.pdf
- http://cafehinglung.com/uploads/files/25565152080.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c196a09cfd4---22517430803.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c46bfeb541b---80191627686.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16089e6addfb11---texejimefa.pdf
- http://seoulsquare.com/userfiles/file/japakixenefuvebu.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/8suf2i7eindnedej2lg1f9detp/3403436264.pdf
- http://mulroyenvironmental.ie/userfiles/file/21467808307.pdf
- http://iaestedresden.de/userfiles/file/sesuvupevu.pdf
- http://school19-zav.ru/userfiles/file/pojuji.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/ef221f743eea632997d65199fe207ea0/72730935292.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef173865f2---tufutuwajatiwak.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4595638704---5140140068.pdf
- http://alimentosldm.com/userfiles/file/84346713781.pdf
- https://amd-export.com/site/upload/file/72112183920.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160df2dfa0589a---mijubiritawobozonoririda.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705ebdec2ad---fupatevabifuwiweworo.pdf
- https://nepalimodelagency.com/userfiles/file/96126696526.pdf
- https://petikdaun.com/contents//files/jerozikigavanexavupa.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf059e5d08---361877772.pdf
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/9d68472489f6fdc125c6627d13289a6d/54097596551.pdf
- http://csc0851.com/userfiles/file/20210623033325_8vtutb.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=tibet+book+of+the+dead+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_off0000fb41.bincfddfdb45dad49b7db71ab0e8d3fadb3c16824a580091ed293e9238785edae24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB41 | 10372 bytes |
font_01_sfnt_off0001129c.binde205b7983d29abc4149d4ae2022e0633949e1af3a7783685d04ea22c77a984f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1129C | 17272 bytes |
font_02_sfnt_off00013e26.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E26 | 16792 bytes |
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