MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a link farm pointing to various PDF files hosted on compromised or disposable domains. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM indicate a pattern of using such links for malicious purposes. The embedded JavaScript likely facilitates the redirection or download process, contributing to the overall malicious intent of distributing further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://crc.creativechange.net/ckfinder/userfiles/files/jokote.pdf
- http://synfarm.com/upload/files/69495702983.pdf
- http://agataklimowska.pl/userfiles/file/wevaselegidatib.pdf
- https://perfectsextherapy.com/public_html/userfiles/file/xorogoguxev.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/4a07b41e692a2b5dba3072b4ccd53513/71720477694.pdf
- https://ispartaprefabrik.com/ckfinder/upload/files/10463265267.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/c8a6aa1f7aca2037e8618127c341b713/87075721695.pdf
- http://kingtonkatsu.com/uploads/files/diran.pdf
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/80011423990.pdf
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/situsamox.pdf
- http://kamkmori.cz/ckfinder/userfiles/files/muzemixilipuguzup.pdf
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/7627501544.pdf
- http://villalapinetafavignana.it/userfiles/files/99043072746.pdf
- https://mallncart.com/userfiles/files/zozikuradowisidu.pdf
- http://sayarbobinaj.com/file/lakodokifoz.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a0fd9959f---bamazowitobiwaxafobalilep.pdf
- http://faradtvandor.hu/picture/userfiles/file/39401089216.pdf
- http://sapthagireesyathra.com/userfiles/file/39048663352.pdf
- http://xiangzhuan.tw/upload/files/43634854144.pdf
- http://massvt.sk/editor_uploads/system/files/62334213812.pdf
- http://damosushipleasanthill.com/uploads/files/51292342146.pdf
- http://markaoyun.com/calisma2/files/uploads/zodibaros.pdf
- http://f-okinawa.com/img/tmp/files/57365140149.pdf
- http://wwsm-us.com/files/file/zezobulixo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=gta+sa+game+download+apk
- 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_off0000b66f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB66F | 16792 bytes |
font_01_sfnt_off0000ce86.bin6695e45ec4663c293ebc456b95a2a3fe01cbe3f35b31048c578601a52bd97f24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE86 | 10760 bytes |
font_02_sfnt_off0000e72a.bin1a872fc6313e775882c93b0252bd325ec65a6baa75264964e661c79e19f3d80a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE72A | 17156 bytes |
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