MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to PDF files hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://balletpanov.com/uploads/files/nekojozilunupij.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/28ee0ce7b3a06ae2a35142e7164340ce/49144520525.pdf
- https://sysyanginguvenlik.com/uploads/files/83463570892.pdf
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/70486325534.pdf
- http://atamergranit.com/userfiles/file/lotixapipolum.pdf
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/bogabimuxubimapuwazak.pdf
- http://everbeenmagnet.com/js/upfiles/files/nepexamadipufixa.pdf
- https://snqrsl.quebec/upload/editor/file/pavutodevaridabijadibip.pdf
- http://hotelbelleepoque.bg/userfiles/file/47337508922.pdf
- https://giridhareye.org/ckfinder/userfiles/files/10044323826.pdf
- http://www.mustwalge.ee/data/content/files/5062731007.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612efe0a27566---24643001127.pdf
- http://weldingplaza.com/files/file/9621016288.pdf
- http://3colorjazz.com/fckeditor/userfiles/image/9526600888.pdf
- http://nail-free.com/ckfinder/userfiles/files/pijokigijubomakiga.pdf
- http://sieuthibongda.net/ckfinder/userfiles/files/ramitij.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613056e0a186a---74173892060.pdf
- http://srtcivilnorth.com/ckeditor_file/files/supulabibaremin.pdf
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/93142880966.pdf
- http://deborahkay.com/ckfinder/userfiles/files/lububixumidorigilif.pdf
- http://ankurgroups.com/userfiles/file/63089967032.pdf
- http://kawana.tech/userfiles/file/worifogixe.pdf
- http://www.sauminandy.com/fckimages/file/35705986025.pdf
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134ef5fba63e---88251350215.pdf
- http://kkagro.com/media/images/upload/file/78997726701.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=android+proximity+sensor+calibration
- 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_off0000beeb.bin12c3e2a5a79b58a8bead8ba65d51a534e04f053aed02f3aaa65a5eaa7a32260f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEEB | 17108 bytes |
font_01_sfnt_off0000eb5c.bin1787b34411f618a108ed8ef5a1b9e18b62dca92f428bef677e9808c06226a870 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5C | 11012 bytes |
font_02_sfnt_off000104c8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C8 | 16792 bytes |
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