MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to obscure the final malicious destination. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature, indicating a phishing or trojan payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/nuc8be7qruusftit448or3fpm6/roderalipojonik.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/o8e0m8n89hab81f4482upl2re1/fupogujovuxusufovonasow.pdf
- http://flightshop.jp/images/blog/file/magapavalep.pdf
- http://architetturaurbanistica.it/userfiles/files/62275791953.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/qcnqfjbf165hk8o2igths0dkf5/21923041498.pdf
- http://kaizousha.com/js/upload/files/58093941719.pdf
- http://americasbestmanassas.com/uploads/files/xasulisatakufabej.pdf
- http://es-manzokudou.com/yamituki-n/uploads/files/91386006488.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f1c5d9719---55159431747.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/u2b1oc2io568vv3m2ftfaepj7a/xoxudevubotukimorotesimis.pdf
- http://seja.lv/assets/ckfinder/core/connector/php/uploads/files/juzuxamexitu.pdf
- http://statsale.com/data/upload/ck/files/wudogulu.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078233193f73---48138882802.pdf
- https://www.akilciilacdernegi.com/ckfinder/userfiles/files/69889825714.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/4565e41ca1f18b86da056f09c7711aeb/returu.pdf
- https://cafesca.info/ckfinder/userfiles/files/16080843287.pdf
- https://rajaketiga.com/contents//files/sezixifuvuvutimogekikufe.pdf
- https://lacaune.hu/userfiles/file/subatisunofurarojuxub.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb8a491679---salaxizit.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaeb671c25---76564490592.pdf
- https://aymfly.com/aym_image/files/73577360540.pdf
- http://animationcoach.com/userfiles/file/sifegof.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6993543c4---97631595994.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=bank+management+koch+7th+edition+solutions+manual
- 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_off0000c83a.bineb92a5f97de61c96254860e5979b9ca51822b57151ca85770473fac4f46b8a30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC83A | 16808 bytes |
font_01_sfnt_off0000f377.bin0c913986743c62dfb3f934906dfa0ecfff8c5ca53aa0c6de6bf016a74cb06bd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF377 | 11012 bytes |
font_02_sfnt_off00010cbf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CBF | 16792 bytes |
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