MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains heuristics indicating it's a link farm hosted on compromised CMS uploads and a lure for clipboard command execution. The document likely attempts to deceive the user into executing commands via their clipboard, which is a common technique for downloading and running secondary payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/40e6d1c47f0b49152730b9b7a21e4d47/lupiren.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b86c1af3c70---latififo.pdf
- http://paykaaluminiya.ru/ckfinder/userfiles/files/tesabijox.pdf
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/e0f80405e20ce08c01613cf1372ad846/99171523516.pdf
- https://actor-conseil.com/files/file/73206162223.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071829aacf02---34236265591.pdf
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d950126ed7---45983797508.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b3d3574d3---pofaxituzodewolik.pdf
- https://sonarmusic.hu/up_image/file/wodopitemoteka.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/63cc42a3d43d6aa8c00a0ddab8e64bbd/14326281909.pdf
- http://ztkammer.at/uploads/file/16099656110.pdf
- https://asset-books.com/userfiles/file/vuxametubofanididor.pdf
- http://svaz-podnikani.cz/files/file/45037265929.pdf
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/6eb6b78d9b938ac017c75b7233ae8c51/kesulaxoraxoli.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094dbc5cf40f---dakafikabifoporakofiniba.pdf
- http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/90387973428.pdf
- http://poorclarescork.ie/images/zexufidobejuxemit.pdf
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/1ed4d371e519341a2cf849c32ea7bb92/13769649380.pdf
- https://gulceoyunlar.com/calisma2/files/uploads/74304573494.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af858ff2a73---nupowukakojirexotadul.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d28e57df44---mirarogi.pdf
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e82d37fc6b---31372529094.pdf
- https://ambalatender.com/upload/files/22346735418.pdf
- http://lab4050.com/upload/editor/file/71524978301.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=learn+linux+terminal
- 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_off00015b35.bin7fcfefa145097560886c2e771016caba586558de332d55f497d24bdd24fa911d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B35 | 10140 bytes |
font_01_sfnt_off000171bd.bin36fbc5abc6755dcb88e6821d57b192566f5a6f92834a6721b3e2f501435df384 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x171BD | 19424 bytes |
font_02_sfnt_off0001a591.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A591 | 16792 bytes |
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