MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojanized PDF. Heuristics reveal it functions as a link farm, utilizing multiple domains, including compromised CMS uploads and disposable hosting, to obscure the ultimate destination. The presence of numerous unknown URLs suggests a broad phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://scpt.it/userfiles/files/83640636135.pdf In PDF document text
- http://amblesidewindermere.ca/fckuploads/images/file/34372836550.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/d8jneubi8gjfhv3p1c3igm1ed2/faxalelireko.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/durupibogosaramirul.pdfIn PDF document text
- http://king-pro.com/userfiles/files/wuvonilitizisinazokaden.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/996ad493743a7889ab76b79c8fb6a525/vumomakod.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c26d214f1c---fotumukulaju.pdfIn PDF document text
- https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/nuponujemezut.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210816_0548CADDDF2D64B7.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c34b03c6e87eae8bbcfe2f90318e8e9e/91495661844.pdfIn PDF document text
- http://remont-etalon.ru/upload/files/10793509443.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/pimut.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/2jf3g0iedcjj37046ekr31n16b/zopuwogazosakutatajef.pdfIn PDF document text
- http://leton.pl/userfiles/file/netirifikujokazimelin.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160982f1fc8bd6---tupixowev.pdfIn PDF document text
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160968a4421e29---molosadipebogunagazuni.pdfIn PDF document text
- http://debden.org/userfiles/file/duzowuxoziparugusotu.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160ad79a5759c0---saxokim.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pinaridewasavakosi.pdfIn PDF document text
- http://agapetown.net/ckfinder/userfiles/files/5583751971.pdfIn PDF document text
- http://greensketch.in/userfiles/file/21409208191.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/48819225344.pdfIn PDF document text
- http://yokohama-model.com/userfiles/files/temij.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/ud1ashanoo5fi3rcpuuv9uuc35/najarabod.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=nissan+sentra+sv+2016+manualPDF 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_off0000f346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF346 | 18664 bytes |
SHA-256: 9f865335bc48f66e47102a4ff4c8623cf1097c03cf1c1386c078d06e81037f2c |
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font_01_sfnt_off00012411.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12411 | 10756 bytes |
SHA-256: 91dc288fa7943424d5caeec2d79e50f13b3d99c4a74a2ab6d0943f71d5ab94d9 |
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font_02_sfnt_off00013cf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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