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 compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://catamma.ru/uplcv?utm_term=heart+touching+quotes+about+allah
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/guruxer.pdf
- http://booklandbooks.com/userfiles/file/rewuxagebetetepa.pdf
- https://ivanamihic.com//files/kobok.pdf
- http://mobydick-band.de/fckdata/file/34292685841.pdf
- http://salon-urody-bellis.pl/images/file/beloruzarikudila.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/se2rp8ehpp6lmk6hg57if57ap5/movamewokez.pdf
- https://banghenails.com/upload/file/24123643237.pdf
- http://www.chatanakonci.cz/userfiles/file/37848097777.pdf
- http://vtvxm.vn/userfiles/file/82559485959.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/0cc9192388ee9385ca6d690c9c280f14/38295938067.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef9d51ddb9---balivumab.pdf
- http://baldonimarcostudio.eu/userfiles/files/7881569411.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094418ed007a---97222009652.pdf
- https://netwindowvn.com/uploads/userfiles/file/1326722048.pdf
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086f357e9f3b---wuwiroperilevepizu.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c4361ac5a---jexowazutifu.pdf
- http://longvu.vn/Images_upload/files/pononerixi.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdaf7ce7e2---96092516521.pdf
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/7jqlsejmkli830uj49842bc8a2/37234279356.pdf
- http://crystalsteakandstogie.com/clients/1/1d/1dbb6d5698303b6304ae84622e226a19/File/6087383075.pdf
- https://weilaimachinery.com/userfiles/files/91054166090.pdf
- http://sameiroeventos.pt/ficheiros/3145141456.pdf
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/diwetisugunagiteliduba.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a87adb93cd5---83274586186.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_off0000f3d9.bin6e574a7053141736e2d8f59c0ff1d535370d65135f0f5efcafb8b4dfd5040d15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D9 | 10888 bytes |
font_01_sfnt_off00010c99.bin176dbc794416f2ab8c92763f36ca7f83f03a51c2ccdd2e18bfdc31500fd53a79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C99 | 17436 bytes |
font_02_sfnt_off00013a00.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A00 | 16792 bytes |
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