MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous external URLs, suggesting it acts as a lure or part of a link farm. Crucially, a heuristic indicates it uses a 'Clipboard command execution lure,' instructing the user to copy and paste content into a shell, which is a common technique for executing malicious commands. The presence of multiple suspicious URLs and the nature of the lure point towards a phishing or credential harvesting attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://infrive.ru/uplcv?utm_term=android+mobile+data+toggle PDF link annotation
- http://german-ex.com/images/blog/file/dunukesafagoputatafeka.pdfIn PDF document text
- https://nmcs.ca/userfiles/files/58795252094.pdfIn PDF document text
- http://guerrazzi.info/userfiles/files/29300460909.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/5e03f0200f31256bb61bf703c3765d46/wiramitabenovuvoxukug.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/sabuguxewenijemuwobasada.pdfIn PDF document text
- https://siahotel.com/userfiles/files/90254947033.pdfIn PDF document text
- https://rainbowprinter.com/app/webroot/files/file/66247340970.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e33d028f6a---rudajewefowox.pdfIn PDF document text
- http://www.gyndoktors.de/ckfinder/userfiles/files/58393053801.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/memetavuxasufovavuzo.pdfIn PDF document text
- http://emanuelarombiarchitetto.eu/userfiles/files/rusejigiribopimajipun.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/98891836259.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/24912993783.pdfIn PDF document text
- http://bulmarconsult.com/files/bedapezane.pdfIn PDF document text
- http://abbeytraining.net/userfiles/file/61125828866.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/wewego.pdfIn PDF document text
- https://twinscooking.nl/twins/userfiles/file/nikibebobete.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/pelavasupilifovesojavowup.pdfIn PDF document text
- http://saddabro.com/userfiles/file/93178226385.pdfIn PDF document text
- http://shangyi-pump.com/uploads/file/092023221715.pdfIn PDF document text
- https://nacionalequipamentos.com/ckeditor/uploads/files/64870848781.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/53862403363.pdfIn PDF document text
- https://impeka.lt/components/com_mijoshop/opencart/image/data/files/sexisezow.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/sapuriguminadevipa.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_off0000ce1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1B | 18004 bytes |
SHA-256: 1c1f3f4f5099954fb1fafa86242415b6de556f33464d02df115fe09dd2cacb59 |
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font_01_sfnt_off0000fd1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011532.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11532 | 10544 bytes |
SHA-256: bcb45cf8822ad33edeac03b2a3ace38425e3d518913e8d243cbbbdc14e7d5782 |
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