MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document exhibits characteristics of an advance-fee scam, luring the user with promises of prizes or funds and requiring them to interact with a command-line interface. The presence of multiple URLs pointing to compromised CMS upload storage and disposable hosting suggests a distribution network for malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the download and execution of a second-stage payload.
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://cructi.ru/uplcv?utm_term=photoshop+cs6+portable+crack
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/f9oh0jo4f1th2uc5d3smrjs1t6/pesibosubilatinumidizepas.pdf
- http://anaminfo.com/attachfile/file/47440552918.pdf
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092388ff311b---81461417726.pdf
- https://pensiuneavalentina.ro/app/webroot/file/24519486434.pdf
- http://shuswapladystriders.ca/userfiles/file/51101866154.pdf
- http://lycee-elm.org/userfiles/file/veroku.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a664623b541---pebabepo.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160af94eba2543---vepemusupezowamuzula.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/76193372260a929f3486be.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/0ffad2255a710c5a3796e2780b75425e/bizewokanabobudipuguzub.pdf
- https://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/cfcafda79ff1b6254ab9f935ce4821c3/67700420836.pdf
- http://provia-events.de/pics/fotos/1/file/gatesul.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/vo5bpdsf0teticc5b125kfl0qn/padawevolusadu.pdf
- https://hometeamcorp.com/images/usr/xonenesimikelikoza.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/gft56j923v3khc4pi52ssi3872/52967833259.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/1bb5eafb31fabf55484cba0be1b02250/99245549280.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ae4dafb77---17766205610.pdf
- http://sosonomo.com/ckfinder/userfiles/files/69202655252.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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_off0000f304.bin4b320ebae023155d9997fc2c2041aa5cfa446393a5ab22da0de7ef717fdd5f88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF304 | 5380 bytes |
font_01_sfnt_off00010543.binc438abc8d324f0d4aff3b97a75da70c8ad18f32c71eaa8bcd67af22522c57d4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10543 | 11224 bytes |
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