MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' firings, along with the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic, suggests this PDF is used to redirect users to potentially harmful content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://crewmak.ru/uplcv?utm_term=download+manga+bird+apk PDF link annotation
- http://hosungtour.com/FileData/ckfinder/files/20210901_1871C4FAB55C69D5.pdfIn PDF document text
- http://charmingcurls.se/upload/file/5016729393.pdfIn PDF document text
- https://www.pactforfamilies.org/ckfinder/userfiles/files/85876445117.pdfIn PDF document text
- http://finpacecuador.com/userfiles/file/tezodalipudopetuf.pdfIn macro / runtime command snippet
- http://arrhythmiaclinic.com/userfiles/file/20210904120357.pdfIn PDF document text
- http://americasbestwingspa.iorderfoods.com/uploads/files/55604755292.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210901191603.pdfIn PDF document text
- http://mweb.cz/images/file/wixebatavozudake.pdfIn PDF document text
- https://mundolibre.cl/uploads/userfiles/files/15026732639.pdfIn PDF document text
- https://movie2book.com/userfiles/file/40065302502.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/78732083961.pdfIn PDF document text
- http://ji-tien.com/userfiles/file/87457493325.pdfIn PDF document text
- http://ks4073.com/file_media/file_image/file/zokigizaselifazerizegobeb.pdfIn PDF document text
- http://ceramvetro.net/userfiles/file/82806956204.pdfIn PDF document text
- http://7m-shop.com/userfiles/file/28362312280.pdfIn PDF document text
- http://lizhechem.com/upload/files/zeletixaxusefinedurufala.pdfIn PDF document text
- http://ags-sib.ru/ckfinder/userfiles/files/rokitomojirofuz.pdfIn PDF document text
- https://hearing-outlet.com/uploads/files/202109072123597768.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/15179698629.pdfIn PDF document text
- https://pasarangroup2.com/contents/files/37677654423.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/70506795192.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbd9b29928---bufopiwa.pdfIn PDF document text
- https://www.pactforfamilIn macro / runtime command snippet
- 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_off0000c5a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ddb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB9 | 17756 bytes |
SHA-256: d8cdb998f30e321e48477493ac64d075cead2bb648e0274e434a15581a8ca67b |
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font_02_sfnt_off00010c08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C08 | 10656 bytes |
SHA-256: 8191ec2df593dbad65dde890d4266e9d2985ae7f02b9c65843e431abe5dd34d6 |
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