MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan distribution mechanism. It contains numerous links to compromised websites, many of which are part of a link farm designed to obscure the ultimate destination. The primary URL, 'https://queure.ru/uplcv?utm_term=download+cash+app+for+android', suggests a lure related to downloading a mobile application, likely a social engineering tactic to trick users into downloading malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://queure.ru/uplcv?utm_term=download+cash+app+for+android PDF link annotation
- http://obasekiestates.com/UserFiles/file/9998555818.pdfIn PDF document text
- http://arcstema.com/userfiles/files/risadenuzipevetutimusoxu.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/30876014832.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/161384d609fd7a---wilafadetinobopulunivoji.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f22f28ebd3---namuwagekuxowono.pdfIn PDF document text
- http://pm-ural.com/uploads/files/sikafir.pdfIn PDF document text
- http://evolution-dev.com/file_media/file_image/file/52740683555.pdfIn PDF document text
- http://vncdata.net/app/webroot/uploads/files/pivefiw.pdfIn PDF document text
- http://tuclubcr.com/campannas/file/loledakupagixarivafiwuv.pdfIn PDF document text
- http://lemonsport.hu/upload/file/2192998864.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/13189971553.pdfIn PDF document text
- http://93564497.com/userfiles/97172342181.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d485fe47c4---duvozotisaxuzawedip.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/baf5e61235acc8ba93a99a614a5eb1bd/wobigip.pdfIn PDF document text
- http://vitrine-prof.com/files/numolu.pdfIn PDF document text
- http://luberoff.com/userfiles/file/63607280985.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/a53c3b6981c24f84264bd46e5e0d4960/39028176749.pdfIn PDF document text
- https://ispartaorganizasyon.com/ckfinder/upload/files/82801436763.pdfIn PDF document text
- https://ptogel2.com/contents/files/rafakokejas.pdfIn PDF document text
- http://el-system.jp/uploads/2012/files/77451171297.pdfIn PDF document text
- http://nasledie-sluck.by/var/upload/file/susib.pdfIn PDF document text
- https://my-natural-style.net/upload/files/63204965558.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_off0000c581.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC581 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD93 | 17532 bytes |
SHA-256: 197db3ec5d1e309dbac7ce3bdf697aef056cec127414f4bf9f05d75c3cd2ba72 |
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font_02_sfnt_off00010b14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B14 | 10576 bytes |
SHA-256: 6173c467e387379a61fe7cae449c4486568b0eaeaf92f33f8b84cc20d6e6d8aa |
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