MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious sites. The embedded URLs, such as http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160933198b0c1e---41484690909.pdf, are likely used for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://myqself.com/upload/files/83224637428.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d36b552d3e---80881051762.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160933198b0c1e---41484690909.pdf
- http://sieuthibongda.net/ckfinder/userfiles/files/7733568152.pdf
- https://africanresearchcenter.com/userfiles/file/kikutesefinanukematurok.pdf
- https://designclarf.it/file/98089509097.pdf
- http://langeline.com/ckeditor/upload/files/39830181874.pdf
- https://honghow.com/ckfinder/userfiles/files/28382494689.pdf
- http://christmaslandint.com/userfiles/64844155171.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/md61jpa3vftd1u3ipk7u1tj9l7/dexuralisupu.pdf
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d240c43028---25732240551.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8b6dcfb26---24352493740.pdf
- http://designbeginnings.com/upload/file/49352579756.pdf
- https://mk-sito.it/uploads/file/70899003307.pdf
- https://ankaratemizlikcim.com/depo/sayfaresim/file/liwagixajibazefelizomaw.pdf
- http://cityfate.com/files/files/37494396141.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1257ebfff8---gofatumitokojab.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a1bf1c653ed---25819944362.pdf
- https://store-connector.com/_upload_bilder/_filemanager/file/67178947500.pdf
- https://zegabilisim.com/calisma2/files/uploads/31405812778.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=verb+to+be+negative+exercises+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_off0000c39a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC39A | 16792 bytes |
font_01_sfnt_off0000dbb1.bine90512ab7be4753192d58da93ab1f244b6a3de09dcf22ac15c0fc2c22b801e33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBB1 | 11024 bytes |
font_02_sfnt_off0000f51c.bin5c7a765ddeef61507cba0108f0f9887e9692114064e4acf175528c31942a7fb2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51C | 18104 bytes |
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