MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the embedded URLs and the heuristic firings indicate a phishing or redirection attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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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://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/7659f0013fcbcc8ef02a052e5aac5848/14425965187.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/32837d9f6e462f4c4432fcbdfde71c92/kafub.pdf
- http://myappartement.de/web/editor/files/45043582323.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa6b0cd99d---javujerasexovulofap.pdf
- https://cr2tek.com/userfiles/Proj_Name//files/zuluxowadafamijoka.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c33bf341e8---39229941615.pdf
- http://exhibitionchannel.com/upload/53032181608.pdf
- https://autoparkalbanese.it/file/wavipotubuzukatobefo.pdf
- http://videofilm-tv.ru/content/File/mugagaporaliwo.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfda19a6cea---81462269190.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0f30e8627---2364817802.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c569862be45---72990985532.pdf
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/v2p5d4rai0mueruc75a5ulbumd/36898428085.pdf
- http://utopiasacramento.org/clients/0/07/071cdeedc048305be324eb10ab8031d4/File/wirib.pdf
- http://meruzhankhachatryan.com/app/webroot/files/file/8476913893.pdf
- https://tahubunting1.com/contents//files/29927457894.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091fd519f099---jetorerapajinexadagetat.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/oiut6cpenob7qj5cqbj9p0pv1j/56860897578.pdf
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/f219893f1e8a21f2a9fc579402b33ca8/20890999068.pdf
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/2fc26a573a400b24d591199a2ff18276/95666672673.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/04a3ab05c95d59bc8d8fc2a9a9bd4352/40178399832.pdf
- https://allmassage.net/upload/file/20210522203200.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/8gc427nqd5550dkl0islnbmdh8/puwizuxexedaxugel.pdf
- http://greenlivinggarden.com/htdocs/UserFiles/file/72887688275.pdf
- http://fitsiluet.cz/data/file/60064571172.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071dd2c210ab---1110416268.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/2825245f1911810bc52b23932cf71e0d/gibovigakofif.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=all+garage+finds+in+forza+horizon+4
- 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_off0000eef0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF0 | 16792 bytes |
font_01_sfnt_off00010707.bin0c4b8c6bb6fd8cbb82796da89d387f3b6a68e643c9450f901d339d03353ef004 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10707 | 10652 bytes |
font_02_sfnt_off00011f27.bin6b833b036420d0d8c088c886722288437a17339bf520a6ad65d703fde1631e5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F27 | 17344 bytes |
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