MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to numerous external URLs, many of which are unknown or hosted on disposable domains. The presence of 'cmd2/46508267583.pdf' in the document text suggests an attempt to execute commands, likely to download and run further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://lustigersteirer.at/userfiles/file/69546934121.pdf In PDF document text
- https://charming-dc.com/uploads/files/202109121720231389.pdfIn PDF document text
- http://vanhacollection.com/images/files/pabekaxajodabomesani.pdfIn PDF document text
- http://jfhcoaching.nl/userfiles/files/90890402536.pdfIn PDF document text
- http://doremimarlikinsaat.com/userfiles/file/vijulexojegisun.pdfIn PDF document text
- http://domuran.pl/files/file/lanixemudexakibefuwurera.pdfIn PDF document text
- http://olynskiconstruction.com/pics/file/88453675232.pdfIn PDF document text
- https://whatproperty.ng/ckfinder/userfiles/files/wavawenewatezukutu.pdfIn PDF document text
- http://irths.com/upload_files/files/41411287001.pdfIn PDF document text
- http://npk-bypassdrr2.com/file_media/file_image/file/siripumopobodomiselejoka.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613587961882f---zazepoxuvekomemabum.pdfIn PDF document text
- https://westhigienia.hu/editor_up/fadupurebuwutiwadigu.pdfIn PDF document text
- https://weddingitaly.jp/images/file/94798134750.pdfIn PDF document text
- http://medicamarsala.it/userfiles/files/11194311425.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/nekezuzinebif.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/boq2ktpvba7fn8mv1pv1ihcmd2/46508267583.pdfIn PDF document text
- https://trongtrucsolution.com/uploads/files/49696182973.pdfIn PDF document text
- http://aroma-es.red/yamituki-n/uploads/files/87451584729.pdfIn macro / runtime command snippet
- http://studioturina.com/userfiles/files/73562887174.pdfIn macro / runtime command snippet
- https://yellowmangocafe.com/userfiles/file/fuxozidalelatobisateg.pdfIn PDF document text
- http://przystaneknida.pl/data/aktualnosci_imgs/file/vuxoxi.pdfIn PDF document text
- https://patoman.ro/ckfinder/userfiles/files/puxerufaxawugenukem.pdfIn PDF document text
- http://przyrodnik-kujawy.eu/userfiles/file/gubudebapufefepijogi.pdfIn PDF document text
- http://microcement.ua/userfiles/file/45010571183.pdfIn PDF document text
- https://trongtrucsolution.com/uploads/fIn macro / runtime command snippet
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=google+play+store+apk+for+pc+windows+10PDF link annotation
- 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_off0000b0ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC903 | 11300 bytes |
SHA-256: 49331941e6154e51d2e07539a57e7b3757ab30ce65e1243a2fb0d9bb3d9d0482 |
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font_02_sfnt_off0000e3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3AE | 16608 bytes |
SHA-256: cf6ba02f6ccdd44c899452b189d008e774035bf390f17d2218499e04a2aa5bb9 |
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