MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of a 'Clipboard command execution lure' heuristic suggests the document instructs the user to interact with the clipboard in a way that could lead to command execution. Additionally, a 'Visual download / call-to-action button lure' heuristic indicates the document likely prompts the user to download a file. The embedded URLs point to compromised WordPress sites, suggesting a distribution mechanism for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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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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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 http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607398080ad7f---gasugar.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9f4b009f5---watipa.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/cc9cb5c777be7d178ea400a7c1513d8e/52716593015.pdf
- http://northstarbaptisttyler.com/clients/a/a4/a4b4c2e389351fb2dee96c3f727c6a57/File/51541840274.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/6budf2l9ucqeqcmvr46gdr8qug/80001271356.pdf
- http://ifa-astrologie.de/userfiles/file/68522960400.pdf
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/71082901199.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160905dee8c87f---gududu.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecb1649a10---90525350671.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8be23ea922---mumigifara.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3cb064aee---67488633468.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6e233f177---rojuzusewusaku.pdf
- http://didula.com/img/file/mamupugamirabidaxesefewa.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8671de772---98488469064.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e723121d6---43908615090.pdf
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a803e82faec---59203897628.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=windows+8+pro+iso+file+download
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd4d.binf1d3213b62eb4984a71cacc1ecbc148cacf7022ab7d71dacad0ab25415837e68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4D | 5332 bytes |
font_01_sfnt_off0000ef98.bindf8c608953af485e9355200840ca3bc8bf07922124d0a0dcb42f7ef6b68bc926 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF98 | 10936 bytes |
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