MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal or Forge Credentials
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The 'SE_MFA_LURE' heuristic strongly suggests the document is designed to phish for credentials or session tokens by tricking the user into approving an MFA prompt or entering a one-time code. The numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, likely serve to redirect the user to the phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://studiolaviano.it/userfiles/files/mipefav.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/4be8f8a4f6d9f0c87b6318e051f5085b/38243990973.pdf
- https://xebecdesign.com/xebec/userfiles/file/rekozalipovodojud.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/f433c1e21b1af1321382a2f995676a78/ruboliw.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817e0fbf7ee---nigekekuwabuzogepubegoji.pdf
- http://taiyoaquris.cn/upload/userfiles/files/20210620030939.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608835cb93849---vorirogukurejuxiva.pdf
- http://adacu.org/userfiles/file/20210703115251.pdf
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0603/df3583111c81381443df886d1d92d921.pdf
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/sojowera.pdf
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/97ce157be19b0e73b56c97c630c20d4d/pomadelotimagexolirofotop.pdf
- https://chmelo.hu/sites/default/files/file/guregarufemix.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e00b12513c7---dezegogalu.pdf
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2b2f77d2e---nelufexub.pdf
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606faf1bb80bf---31663330082.pdf
- http://www.lnk-creation.fr/upload/file/79414263621.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d61dad1831d---20394791871.pdf
- http://doktor-okonski.pl/uploadimg/file/63947544891.pdf
- http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/48424206982.pdf
- https://hanedantoptan.com/upload/files/82777645288.pdf
- http://remaining-mc.de/userfiles/file/menapasasebal.pdf
- http://edwardlankin.com/clients/86087/File/doxef.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8d0985dbc---77995316077.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607018ece5a77---gebafewepox.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+cash+out+on+gramfree
- 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_off000141f1.bin40f54c792ad92676b2395e8cafceca5e0f1d616963dd826bc0e249780471dedc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141F1 | 17684 bytes |
font_01_sfnt_off00017007.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17007 | 16792 bytes |
font_02_sfnt_off0001881e.binf673a53d0a18e17dcd1f8cb88d9f964df4ea98d93910d623a1a83ebd2695763e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1881E | 10820 bytes |
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