MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of threat. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' suggests the document instructs users to copy and paste content into a shell, a common technique for executing malicious commands. The presence of numerous links to potentially compromised WordPress sites and disposable hosting further supports a malicious intent, likely involving the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://adamlegal.com/userfiles/file/67635182048.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/2d18d6c12d08c01a2d89c16ecf436d30/74930315709.pdf
- http://edu-family72.ru/content/images/uploads/file/49005044324.pdf
- http://muzeumostrowiec.pl/obrazy/file/tidatibigizuvijoto.pdf
- http://bjbtrh.com/files/pic/file/jeserubixuwan.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a65c280ae---naletotupazusavubatarobij.pdf
- http://x-site.by/upload/editor/files/vusebabidomifum.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe8ee4e636---29165473386.pdf
- https://combrooncom.com/contents//files/59587598251.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/7af3a46747613adf0f5fd6ad6a554cba/70225548356.pdf
- https://moto-trend.cz/public/files/fck/file/50036017526.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160a8aa4e5d10c---45660024230.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/70d4cd1494dbb4f3583909144d571db3/42551723281.pdf
- http://tort-art.ru/userfiles/file/57683384978.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb16ee127d6---58387857514.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5265e918fd---xilatefobiloximili.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/07116d42c8164fc27c09385f16a14c50/worolixavuravilebupil.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/f9432597668583b6626e2fe18b855e28/sifokavuxarorimigaposa.pdf
- https://btcauction.vn/hinhanh/file/bevaterijafeji.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160948122dcb3d---8561534335.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607164076acef---neropamovexapilisukesalef.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=arc+text+in+powerpoint
- 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_off0000e625.bin56e31f358596f8b8cc4ab926b8963e47d9f7256fe44714eb8c502d6c74ce1b3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE625 | 17280 bytes |
font_01_sfnt_off0001135c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1135C | 16792 bytes |
font_02_sfnt_off00012b73.binecdb679035c09d86e6ecaa66639626e4603f48caf4ec3c738546d1338c6afd58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B73 | 10160 bytes |
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