MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to direct users to external sites, consistent with phishing or malware distribution tactics. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://wastran.ru/uplcv?utm_term=supersu+apk+2021 PDF link annotation
- http://z-sinpro.com/upload/files/86572679787.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/29425522861.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613d24f0e2c5f---vamazixe.pdfIn PDF document text
- https://bodymason.com/user_uploads/files/bawumefuxerolakevenofim.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/defokijem.pdfIn PDF document text
- http://twapp.freshkon.com/upload/files/gebewejojavobaz.pdfIn PDF document text
- http://doorsatyrau.com/ckfinder/userfiles/files/97252419727.pdfIn PDF document text
- http://sp2wronki.pl/fotki/fotki/file/vorufilolenom.pdfIn PDF document text
- http://4darchitecture.org/img/all/63955354622.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/86801157173.pdfIn PDF document text
- https://ln80.cn/filespath/files/20210903120443.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395fd2af6a3---faxisaxidazosiza.pdfIn PDF document text
- http://thestarbusan.com/FileData/ckfinder/files/20210907_9700A2B998C86A02.pdfIn PDF document text
- http://abwmechanicsville.com/uploads/files/sixamonukotifewanopen.pdfIn PDF document text
- https://www.leasing.net.in/ckfinder/userfiles/files/sivodizomikapugit.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2a6907aa9---rolavavofimosusolanexufax.pdfIn PDF document text
- https://bunian-co.com/other_files/File/36498514789.pdfIn PDF document text
- http://claudiamelchior.it/images/file/fawesomexibuxogifojanumo.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/l5dobi484mjph4cecgu6qmed5q/12839410782.pdfIn PDF document text
- http://czechnews.cz/userfiles/files/susuzoza.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0d20d2b7c---gorowulujasujofovuba.pdfIn PDF document text
- http://studiodugnani.it/userfiles/files/vafive.pdfIn PDF document text
- https://mygoaltv.org/ipp/images/uploads/files/24381010222.pdfIn PDF document text
- https://pellevah.com/upload/files/6085850143.pdfIn PDF document text
- http://technocom.pl/editor/file/wobazozavepo.pdfIn PDF document text
- http://atel-j.nl/uploads/files/zujefoxepixoj.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/vewatovelawu.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_off0000b40b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB40B | 10344 bytes |
SHA-256: f742ddb8758658965b34b4de3d6902d9541526b09b20de337ea5ed41c36e32dd |
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font_01_sfnt_off0000cba0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBA0 | 14960 bytes |
SHA-256: 933adc81b31ec350993cf11c911df1acd015974e55176190752f6a78fcc2b136 |
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font_02_sfnt_off0000f156.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF156 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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