MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1059 Command and Scripting Interpreter
T1566.001 Spearphishing Attachment
The sample is a PDF document that exhibits characteristics of a phishing lure, as indicated by the 'SE_CLIPBOARD_COMMAND_LURE' heuristic. The document likely instructs the user to copy and paste content into a command-line interface, a common technique to download and execute a secondary malicious payload. The presence of numerous external URLs, many hosted on compromised WordPress sites, further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9858
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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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://krisoc.ru/uplcv?utm_term=10+types+of+common+wire+splices+and+joints+pdf PDF link annotation
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/b7c4ea35bed5571dd6b4461a5b8c4e8a/kejipipekoxuso.pdfIn PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/mavuvenopitaki.pdfIn PDF document text
- https://mangmalungtea.com/userfiles/file/640842769.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607232b72ba22---zawisavixifivibefok.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba68c1821eb---52672547889.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/vimogopokizejotodu.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/jejojekobaketiko.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5d8a177f0---xasudoto.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c1bbc44fa---90879882432.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/d7voqpkmpgjt1vq5ago5dt5od6/lugifakewuwisuroselegil.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/2e830504q6fe9livausogfi3t1/77855017785.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/3bb810f64268d4571b7f6c97bfb9610f/38307470440.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/2b18d403cbcc0e200527d42346d381b0/ruxawurupusum.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6f423ed3c---dazanadalusosuv.pdfIn PDF document text
- https://protradingindia.net/userfiles/file/86246621844.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/fa840ae62a17e58c0df71c8137161792/94714978612.pdfIn PDF document text
- http://globalquestconsulting.com/userfiles/files/defeg.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a35d02b84cf---76077176680.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/73b8a1e451754ec78787508b84611673/kejopimenomujidekid.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16085e97f0809c---33136297111.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/5ninfesnihbu7egaldq4jru2ma/nuninajan.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/turufotupobetewajijop.pdfIn PDF document text
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/6e2364ecc967ccf410d87df7cbebcd9c/71811440884.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab5b193f56---zikiwu.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/kosusamadaz.pdfIn PDF document text
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/73742182395.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016f92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F92 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000187a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x187A9 | 11188 bytes |
SHA-256: d51eafe5bc544656935b1153df4ce5e58c0bc99a100bb2423197cc5953961ead |
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font_02_sfnt_off0001a1e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A1E1 | 18752 bytes |
SHA-256: bb14ece323f32146d5a826efd65b8ab36f40ccdc6ca79783540431265eec90c7 |
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