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, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The presence of 'LOLBin token sequence in document text' further supports the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://crysiq.ru/uplcv?utm_term=bloxorz+2+unblocked PDF link annotation
- http://p-energo.ru/content/file/nugaluzuxodakivaxama.pdfIn PDF document text
- http://lex.tj/img/file/xinisebeloporozivelizev.pdfIn PDF document text
- http://sinhorelli.com/userfiles/file/95235366551.pdfIn PDF document text
- http://immodraft.de/images/architekten_agentur_images_/file/98230440687.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/gefewiminuvododirugem.pdfIn PDF document text
- https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/45627546764.pdfIn PDF document text
- https://ruedi-leuthold.com/userfiles/files/wibesaxozebukule.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/bosukobofoj.pdfIn PDF document text
- http://aprt1day.ru/file/62578250409.pdfIn PDF document text
- https://qfse.co/images/uploaded_files/ckfinder/files/1631208404_867ac5273e.pdfIn PDF document text
- http://garmaclima.com/uploads/ckfinder/files/34188506990.pdfIn PDF document text
- http://xn--80aamwn.xn--p1ai/userfiles/file/41979938717.pdfIn PDF document text
- http://charmingcurls.se/upload/file/jewite.pdfIn PDF document text
- http://bftt.marketsearching.com/upload/files/lukavegubizizopozaror.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/30664058664.pdfIn macro / runtime command snippet
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134171ec281f---7366710202.pdfIn PDF document text
- http://net-marketing.hu/images/files/lovorodejevowosa.pdfIn PDF document text
- http://another-partner.morefriendship.com/upload/files/74724518138.pdfIn PDF document text
- http://eunlocker.com/Images/Editor/file/todudixixereletezowavebap.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/d06bbba55b4f827008ab49572c4d6783/11780709780.pdfIn PDF document text
- https://lecachet.fr/docs/files/safux.pdfIn PDF document text
- https://kawanmto.com/contents/files/fepopojabedibixiwufej.pdfIn PDF document text
- https://homestayhoian.thamtuddt.com/uploads/image/files/zawajavilinobebilujebaj.pdfIn PDF document text
- https://detmers-kontejner.hr/files/retudetolada.pdfIn PDF document text
- http://bftt.marketsearchingIn 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_off0000d668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD668 | 18060 bytes |
SHA-256: 4c073e32fa99b3874791c630eaeb72a3541d26a94c40aa2d344ed9c187df4b72 |
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font_01_sfnt_off0001046e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1046E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C85 | 10512 bytes |
SHA-256: f07453d3ed81a718de6b76f3f5cacbb8bd7a192357839513311f029fb84af1b3 |
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