MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external sites, many of which appear to be compromised WordPress uploads, suggesting a distribution mechanism for malicious content. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document instructs users to copy/paste content into a command-line interface, a common tactic for executing downloaded payloads. ClamAV also detected this file as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16079af7aececc---guruv.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/40697de571fad341e8fbcac79ad2cecc/rubuw.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160970f4b0f968---wunosejo.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/ge0nqr720ll9h604n461790iqd/76153910890.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/nlh1jfn8gmiqg4c47lkmh3jtp6/53468172314.pdf
- https://cavalier-hundezucht.ch/userfiles/file/47828516400.pdf
- http://whs1979.net/clients/65916/File/64714385713.pdf
- http://xpressup.com/userfiles/file/zofigutu.pdf
- http://didula.com/img/file/kilapemizejowob.pdf
- http://theeultimatenetworker.com/ckfinder/userfiles/files/40482878047.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/d6f390ed3c5920ae4634df7f53f12ea2/33659877756.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609849f04c948---birosogibozobagumavubanur.pdf
- http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/bofokojoxiwukufite.pdf
- https://fonixkoncert.hu/upload/file/38144955186.pdf
- https://muachungbaohiem.com/uploads/userfiles/file/1348660552.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096ba00e57ce---23843668804.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/47eb88fec7599e6a53d2293124cfc9f5/kadeposelipoxiwadi.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/7343efa86acab68355baf400285477c5/vakudibiwaxenebagajijixu.pdf
- http://superplasticizer.cn/d/files/66441981486.pdf
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/b6a70a2a9b5f55e2bbaeda1c1c4fa0b3/gosawe.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/3f8acc39291ffe86b36d4e22c93092c7/2496257721.pdf
- https://aspit.ro/imagini_ws/78056734205.pdf
- https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/7puht12grln6hl8e53e5h239qq/90752242326.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=activate+office+365+windows+10
- 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_off0000f03f.binf98fd731292254d5466b2ebe2fa489f1b28fa520929df99fd5a428e1fc8afc2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF03F | 11104 bytes |
font_01_sfnt_off00010a7f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A7F | 16792 bytes |
font_02_sfnt_off00012291.bin2d2be4fea0b59dc81c2282fcc28a2e5df6d26da7be144d6d8d669d27e4d25f95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12291 | 17076 bytes |
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