MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or redirection scheme. The PDF structure and embedded links point towards a spearphishing attachment delivery method.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 5
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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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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://coretry.ru/uplcv?utm_term=play+store+app+download+windows+7 PDF link annotation
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/446c80cb2d84d7a95fed4677cdd207fc/32061748639.pdfIn PDF document text
- http://yuc-fac.com/uploadfiles/20210924182814.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/zimowizilebamakegedizuku.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/sukenumewirexup.pdfIn PDF document text
- https://ppntassone.it/dati/upload/file/23889331145.pdfIn PDF document text
- http://freeorden.com/media/file/xodosifetogazetomuto.pdfIn PDF document text
- https://mimpishio2.net/contents/files/dared.pdfIn PDF document text
- https://culturasiapamplona.com/guiarte_userfiles/files/41719010754.pdfIn PDF document text
- http://hastensandbreakfast.nl/userfiles/file/87189421152.pdfIn PDF document text
- https://1am130r6h1n1-k11a7.com/contents/files/munexe.pdfIn PDF document text
- http://tainanrup.longi.tw/uploadfiles/files/20210911_051312_6909.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/panodexebibugitegedaro.pdfIn PDF document text
- https://kinhdoanhvaphapluat.com/img-dn/files/77011994132.pdfIn PDF document text
- http://sunmoon-glory.com/web/upload/files/rujepowobajuzapagaxufu.pdfIn PDF document text
- http://balogmihaly.hu/UserFiles/file/60932807186.pdfIn PDF document text
- https://tagoproperties.com/ckfinder/userfiles/files/vofalinawabasutufuxinej.pdfIn PDF document text
- https://awinresource.com/uploadfile/file/porug.pdfIn PDF document text
- http://www.reeder.ee/files/filemanager/63741266842.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145cde327173---vuvonafivav.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/79525124561.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/besukadiliwenomof.pdfIn PDF document text
- https://tyko.pl/userfiles/file/42400757319.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/tinevupilinamikili.pdfIn PDF document text
- http://scvumaichiramen.com/uploads/files/xavigotakojojevatal.pdfIn PDF document text
- https://www.habitat-morvan.fr/ckfinder/userfiles/files/33106951911.pdfIn PDF document text
- http://zhongguohuachun.com/d/files/mabemojuronanotix.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_off0000b860.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB860 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d077.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD077 | 10636 bytes |
SHA-256: 538907ae72283bc7f486d55bb503c2af1e9ec955c8e5346bcce94df7967c1ec8 |
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font_02_sfnt_off0000e913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE913 | 18380 bytes |
SHA-256: f2dce03b49fdb7d3281522632c85c87c53be8e319ea1a3963af3ae404a447896 |
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