MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised or disposable domains, indicative of a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. ClamAV detection further supports the classification as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://kaitosushisb.com/uploads/files/kevojunori.pdf
- http://mnarch.it/userfiles/files/baxetexinoxesiwepu.pdf
- http://iccj.jp/images/uploads/fckeditor/file/59821755015.pdf
- https://wrd13.com/force/file/27656450560.pdf
- http://pro-customer.de/userfiles/file/jelabifetibenewaf.pdf
- http://twapp.freshkon.com/upload/files/33223633735.pdf
- http://smartwealthhk.com/userfiles/41173390955.pdf
- http://kengosushionlineorder.com/uploads/files/fitig.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/2449996c0df9d269da6d5f420557a8e4/woxurawijikavo.pdf
- https://asiantms.com/ckfinder/userfiles/files/marunefumafojupepawujome.pdf
- http://pjzhengwang.com/upload/file/20210909_033541_176.pdf
- http://peoplefineart.com/assets/202109/files/20210907231410594127.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16142256b91533---gilasog.pdf
- http://mardeestilos.es/fotos/file/kisuz.pdf
- https://mimpisiluman.com/contents/files/vulomaginifewegetedinid.pdf
- http://dailitara.lt/bites/uploads/file/jexipilugupon.pdf
- https://ptogel2.com/contents/files/74534016457.pdf
- http://ptichile.cl/userfiles/file/406083733.pdf
- http://gapp.fr/medias/files/71055512454.pdf
- http://sushiosushi.com/uploads/files/78651632361.pdf
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/luwevomuk.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f84ab0413---japaxafurigutaw.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142376cbc644---54892119886.pdf
- http://marcus-1.com/FileData/ckfinder/files/20210907_E231291236DF1269.pdf
- https://nguoixunghekiev.vn/userfiles/file/24145211051.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=tamilrockers+john+wick+3
- 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_off0000d02d.bin879393623724d2e580be9db54e2e9351e09ca7784b737ccc9e2fb01e7d715466 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD02D | 10840 bytes |
font_01_sfnt_off0000e907.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE907 | 16792 bytes |
font_02_sfnt_off00010119.bin3d5f65fb0d22c0e6c2b0624c04331460ee612c13ae53a961844d5be162a46af2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10119 | 19156 bytes |
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