MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress upload directories or are hosted on 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 distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://webbuilders.com/files/file/fepamupabevimunemetifodu.pdf
- https://olterus.com/contents//files/fixobabo.pdf
- https://gastrotest.co/ckfinder/userfiles/files/mofinogadej.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/885a1c647843266faf52603cac8b1a84/48419035870.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/b7j4m4poqjfo3e9s96ua9a6ch2/goxuje.pdf
- http://agriturismocorteerbatici.it/userfiles/files/37110814004.pdf
- https://cncostruzioni.com/userfiles/file/jeruporase.pdf
- https://senhewood.com/d/files/28946331142.pdf
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/74576793326.pdf
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/zewusebevajeserukexegobaj.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/bfeaa115c656576dd971d03492c1a6f6/81406409174.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/bd1b6b7caced47f30da08929dbd71033/xirakorefaje.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8d43bf3fb---tumodusexi.pdf
- https://youkuvpn.com/upload/files/31266331772.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1608c35a169ef2---lajiminebegawud.pdf
- http://slippersymposium.com/clients/875641/File/74025407708.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/6c1b75a68d060926fef303f3f3552e2c/35151985810.pdf
- http://changrung.com/ckfinder/userfiles/files/99669555861.pdf
- http://aarogyamedico.com/userfiles/file/wijesaxukevagesumoseti.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b65bbd7c383---66106943520.pdf
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16078ac5bd40dc---kisotu.pdf
- http://fitviewer.biz/files/file/89199066861.pdf
- http://ctkupavna.ru/upload/file/59466363604.pdf
- https://synersys.fr/contenu/file/83071445483.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=thought+on+laughter
- 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_off0000f4c8.bin7048424e332dfa644f3e5a462e1d1fcc49f6fb911d6196cb3f6500ca9bc997a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C8 | 17080 bytes |
font_01_sfnt_off000120b8.bin5b6fd902991c566911033a0053a0729ad283e8df83604c7163152e616c6ab201 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120B8 | 10188 bytes |
font_02_sfnt_off00013785.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13785 | 16792 bytes |
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