MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a significant number of external URIs, many of which point to disposable hosting or compromised CMS upload directories, forming a link farm. The embedded JavaScript likely serves to obfuscate the malicious intent or facilitate further exploitation, while the link farm aims to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://dolmalatrek.com/userfiles/file/54410463539.pdf
- http://laulumaja.fi/ckfinder/userfiles/files/36589806956.pdf
- https://megalightgroup.lv/uploads/files/98052500706.pdf
- https://ntiverification.com/userfiles/file/dufonogurobolimanove.pdf
- https://primer-spb.ru/files/files/xavogediloravebeniravaz.pdf
- http://canxetaianhduc.com/images/file/nenulatesofanazogeka.pdf
- http://robvancampen.nl/userfiles/file/81781075777.pdf
- http://csaladiegyteruautok.hu/userfiles/files/49251059074.pdf
- http://mebelhotel.ru/images/news/file/29583615916.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7497bcbf3d1bcfa2ad6f085dc115d874/24392781714.pdf
- https://csodamalom.hu/files/files/45925317873.pdf
- https://creteservices.com/FCKeditor/userimages/file/kubunuba.pdf
- http://www.naturhalles.fr/fckeditor/userfiles/file/50879480783.pdf
- https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/luwilunuxipunipo.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134db41ee3d8---78670714995.pdf
- http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/pawupiveru.pdf
- http://gesht.ru/admin/ckfinder/userfiles/files/66887948696.pdf
- http://jeykrishnaclub.com/images/file/nolisukusotemeg.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/ac71f4984a68652a35af1bd5fd496aca/25133875495.pdf
- https://paklya.su/design/img/upload/file/lawejofafegijobivisa.pdf
- http://crmrealty360degree.in/ci/userfiles/files/56613193235.pdf
- https://gkatsov.com/userfiles/file/43094526227.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=transfer+textra+messages+to+new+phone
- 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_off0000d300.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD300 | 16792 bytes |
font_01_sfnt_off0000eb17.bina059e36a02d59bd2f9efc6568c920e237d6f3c35285acfedb11561614151937c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB17 | 10816 bytes |
font_02_sfnt_off000103f7.binaad59650457d34efba72807a51d10e12dc447e649d3f8131a4623d1dfa2833b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F7 | 17604 bytes |
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