MALICIOUS
156
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 links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. While no scripts were explicitly extracted, the PDF structure and link farm behavior are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9726
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=the+flash+season+7+episode+3+watch+online+free PDF link annotation
- https://naveenent.com/administrator/imagetemp/file/lodizivotomo.pdfIn PDF document text
- http://gitishahjahanpur.org/ckfinder/userfiles/files/pipasuzikimat.pdfIn PDF document text
- http://mtecommerce.it/public/news/file/91143076952.pdfIn PDF document text
- http://svarovani-tig.cz/userfiles/file/jutumudijazijigu.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/debid.pdfIn PDF document text
- https://ustunbilgisayar.com/userfiles/files/32819042979.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/0dbd18d16643c9914c9911b1340ea13b/xunuduwogofikaguzix.pdfIn PDF document text
- https://dakhoathienhoa.net/images/files/18050121634.pdfIn PDF document text
- https://hotnewsmd.deca.md/upload/userfiles/files/41012629988.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134bbe87433d---7986744778.pdfIn PDF document text
- https://refakatci.net/userfiles/file/debejafonawiwom.pdfIn PDF document text
- https://nieruchomosciturystyczne.eu/files/file/gevibidazu.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613569036c06c---32347370240.pdfIn PDF document text
- https://hotelpancharatna.com/assets/userfiles/files/sasenupumiradajap.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e9deb3b12---gajofiwisapexeget.pdfIn PDF document text
- http://confidenzacsapagy.hu/upload/63916235691.pdfIn PDF document text
- https://kamarkosong.com/contents/files/9377008912.pdfIn PDF document text
- http://architettogherardi.eu/userfiles/files/xukupesobiwebe.pdfIn PDF document text
- http://templeton.sk/userfiles/file/78381161097.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/zugawukaj.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/c43cbfb68bbcdb16af500666a20c9b79/nefobowaxuvazefivugiwim.pdfIn PDF document text
- http://cwesp.biz/upload/file/56839019128.pdfIn PDF document text
- http://www.samuitns.com/image/upload/File/wisufazebogomajaka.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/2021951615472092.pdfIn PDF document text
- http://timocomputer.cz/files/file/6710157714.pdfIn PDF document text
- http://thoitranglani.com/upload/files/18702756725.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e42b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE42B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC3D | 17476 bytes |
SHA-256: 007ec237ab7a8e0d6842108c5c88ecdff41c627fb4afc87d9faa885f2aaa349e |
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font_02_sfnt_off000129df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129DF | 18064 bytes |
SHA-256: 39122796a0f1469d569c1d234a8f6ad34dbfb1c93721e9acfcd51e002b836c17 |
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font_03_sfnt_off00014580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14580 | 10988 bytes |
SHA-256: 789691e4fb6b9727b29522d95a72a5f29670b2a3502049de901afc17a7b077b3 |
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