MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of multiple links pointing to compromised CMS uploads and a link farm suggests an attempt to trick users into downloading a payload. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f5b429acf---wipasasi.pdf
- http://nutronicltd.com/userfiles/file/ridisokate.pdf
- http://www.anclupnapoli.it/userfiles/file/zufaderijot.pdf
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac573a708b---83470500790.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f735635ec8---mekaneresujudogek.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16079fe466fe22---67663850984.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/q2ohapp355cillcdpj9fkr9a1h/fafot.pdf
- http://lawrence-spruill.com/clients/42275/File/zixezulugoludul.pdf
- http://klpa.net/userData/board/file/tuzonapakokemanexedet.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/7ffeb7fd44c0140b503d82be82b175ed/95295002775.pdf
- https://csp-pub.com/stockages/files/fakurewutokizamakokubu.pdf
- http://chinajessie.com/seadata/data/uploads/img/file/162226793188.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a80ec612501---59410238988.pdf
- http://mid-europe-ex.com/images/blog//file/84478521985.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160989a385b3ab---nezozamowabilujita.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722cb75538b---rexakefigidipolufuworok.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b88ed2b36b4---riboxababobotevetika.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=grammar+test+printable+with+answers
- 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_off0001009f.bin1e8adb2ffd6f47e899fe54e9602745355686211eec690a7ef1e48dc1cc3fb443 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1009F | 10664 bytes |
font_01_sfnt_off000118b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118B1 | 16792 bytes |
font_02_sfnt_off000130c3.bin9c00aa914726c63fef033e1fad2b5fd1ed5d385632f801de2d7863fb2b7a67bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130C3 | 17452 bytes |
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