MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier with high confidence. It contains embedded JavaScript and numerous external links, including one pointing to a raw IP address, suggesting it is designed to download and execute a secondary payload or redirect users to malicious content. The presence of multiple links hosted on compromised WordPress sites further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://locnuocvietmy.com/Images_upload/files/bazegurol.pdf
- https://4of100churchstreet.com/assets/media/files/17946791999.pdf
- https://alpinashop.bg/files/48517231468.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/49ee4391890c9398e1c94e675d5a821e/vonaladijizeri.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/a2e89ae966c9546bfffaab83d4220f9a/35693211790.pdf
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/96051632863.pdf
- http://audidalys.lt/ckfinder/userfiles/files/83063945061.pdf
- http://chalappuram.com/userfiles/file/5782650144.pdf
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/d22f112c64584b2b563e57cdeb0b93d3/92343456655.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/16090b5a02a730---wegasi.pdf
- http://iwayman.com/uploadfiles/file/210821125743726673adf9kv.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/6b7545f30613aca037b52ee90797ad38/kogariborisiboxijoturivot.pdf
- http://resetimpianti.it/reset/public/file/68643091963.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/530b176fa6099aee77519d483d651d5e/84978319258.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6108544e2b---zitevag.pdf
- https://jotelek.hu/files/file/lamidetesozefogusitu.pdf
- http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91922308126.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160b9abeca21fc---84434136524.pdf
- http://leilehua76.com/clients/4/4d/4d80c013f15dbe3c797666a457780dca/File/votaziwuwolemodil.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cf3faa69e8917464d323bae3099438c4/95191363693.pdf
- https://castel.ro/userfiles/file/4585671521.pdf
- http://csc0311.com/userfiles/file/20210727235804_8omkui.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/7fc0b931d882d6e637ea40e333656594/gawipotelomogekepodiko.pdf
- http://orderkai.com/uploads/files/kumuduvoji.pdf
- http://bantinnhadat.com/users/files/92667876436.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160aa991b72ceb---xemaweve.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=early+signs+of+colic+in+newborn
- 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_off0000c039.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC039 | 16792 bytes |
font_01_sfnt_off0000d850.bind367b23b153ded7ef4d7077ff53cda9c5fd631283dec6b8da5902fd3ccea38c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD850 | 10736 bytes |
font_02_sfnt_off0000f12b.bin7e46fa238178559a3fafa09384eb5fb22a6924e355b0974b7a3f42eec054594f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12B | 15404 bytes |
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