MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a significant number of URLs pointing to compromised WordPress sites and disposable hosting, suggesting it's a lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into downloading a second-stage payload. The presence of embedded JavaScript points to T1059.007, and the overall goal of delivering further malware aligns with T1203.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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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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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://royalwedding.jp/images/blog//file/89089505131.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa5c3d49f4---ludax.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f41fbc9b64---robexizagubewajiwojufeje.pdf
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf86148dad---mipejifezoxumumofimowaj.pdf
- http://tebsc.com/clients/84181/File/53425535759.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/48a3a6bfdf346abb959d94b8a48288a8/kaxarobewe.pdf
- https://festival.bg/fckeditorfiles/file/begolupogo.pdf
- https://bedandbreakfastchia.it/userfiles/file/21840891811.pdf
- http://aksaaydinlatma.com/img/editor/image/file/juroredejofodopomesaz.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/b3ee576d96c54dfb5caa5b409fdde069/gowiwamolunow.pdf
- https://sanaspinler.com/calisma2/files/uploads/fujogiwipavejiziwoliz.pdf
- http://seabeachthailand.com/UserFiles/file/rowaso.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/75tn11a5vam142iibm70e4irc5/xogawemamaro.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/07fnts7dfkh3e2o4re2vnelng5/banikegida.pdf
- http://pusancard.com/userData/board/file/naboseruxoxapoxeba.pdf
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/81bf2f452b471a55a2871dfe155094cb/pujoluwiteleke.pdf
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae31f4b712a---19611445885.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d34ab7b74---3650536620.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/0e815289f3dff3a322f8799585a0c49a/37839650506.pdf
- https://anmimar.com/royal/userfiles/file/21852591337.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16083332157186---68168671616.pdf
- http://geostudio.eu/userfiles/files/fuwowiveba.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ac32a0724---36606707334.pdf
- https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/sak0il26jn1nufsnc7dfgeq8sn/pelajav.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160862c3611eac---70908536480.pdf
- http://hiace-yoshikawa.com/js/upload/files/38737463989.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=download+physics+textbook+for+secondary+school+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_off0000eb33.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB33 | 16792 bytes |
font_01_sfnt_off0001034a.bin5e17ec3d9a819d0b02c70469efbced4ece737266c8876d998c4889c1046687f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034A | 11252 bytes |
font_02_sfnt_off00011d76.bina27432d873e1122c0e9f4881f228e684d3c5c695575de34ed6b9dcccc712e40b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D76 | 18292 bytes |
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