MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with multiple URLs pointing to potentially compromised WordPress upload directories and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL analysis suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://ascinfratech.com/clientprojects/trading/file/93817753576.pdf In PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a43ee4e6874---worujudotumupoxoxutoboxow.pdfIn PDF document text
- https://forumhrdbekasi.com/webroot/userfiles/files/59100960253.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/a2e897ab5d8d5f8ecf6e155417179f34/6826909053.pdfIn PDF document text
- http://oaklandscreche.ie/userfiles/files/gorazidaxutudivutubuje.pdfIn PDF document text
- http://kleinschaden-expert.de/userfiles/file/posokuna.pdfIn PDF document text
- https://zold-kommando.hu/files/35361717181.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/57770843767.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d554d3a610---fusibotebubetusiju.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/8984c63a1237cd84c9198d87e83fee29/16482132039.pdfIn PDF document text
- http://studioaba.net/userfiles/files/6249597501.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/powasokokufuj.pdfIn PDF document text
- https://aslimitada.com/userfiles/file/kajer.pdfIn PDF document text
- https://yellowstonewildlife.com/demamoxojawur.pdfIn PDF document text
- http://deborahbrown.us/clients/860103/File/21289360046.pdfIn PDF document text
- https://tsegypt.com/file/53489638369.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/6e6613ff9ddda9b8bdf1b9420f1d6e36/88487776884.pdfIn PDF document text
- http://www.vnos.vn/app/webroot/uploads/files/86320521889.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160f5b6a96470d---pukesasurazin.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/4829bb0de75b2cd98d8314e323c1ae23/75536505918.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/kimig.pdfIn PDF document text
- http://kameleonhastanc.hu/files/file/sijos.pdfIn PDF document text
- https://kudamatsu.org/userfiles/file/mufepi.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160898f17a5cc4---wupokuvaxoset.pdfIn PDF document text
- http://thicongdiennuocmiennam.com/uploads/files/wekitizifab.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+remove+fisher+and+paykel+dish+drawerPDF link annotation
- 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_off0000b8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0DC | 11112 bytes |
SHA-256: 8683527d1cfcb4064a9d61c9b3e1addd82f6894c2c3aff235ff251c090c0638e |
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font_02_sfnt_off0000eaa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA3 | 15524 bytes |
SHA-256: 9fbaf1f3952442b1667a55ea8430b3510747ea282a313775937d8f0a0aa814c8 |
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