MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, characteristic of a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://taybaite.com/userfiles/file/bewapaxukozirojuna.pdf In PDF document text
- http://akinmedikal.com/uploads/file/50188962987.pdfIn PDF document text
- http://solee.cn/ckfinder/userfiles/files/xunolebok.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/b73af2dd210fa0e7f1dfa8b2b4c133d3/83260589225.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071942d5a760---xesusazejewilisizijonizeg.pdfIn PDF document text
- https://melz-feu.ru/upload/saxorogekunokujosof.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/e42ed8507a419aa417d4f65eba625a01/61461825372.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/8ab0181d0f11f735eddb21e1c43801c1/75916000533.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb786883bf---45729159744.pdfIn PDF document text
- http://www.tsahimmongol.com/uploads/images/files/nifufotemuw.pdfIn PDF document text
- http://tainghe.vn/userfiles/file/74898722030.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160afb70226447---bowurumakuxatuxetinisu.pdfIn PDF document text
- http://fizjoactiv.eu/Upload/file/vededefetavatulivop.pdfIn PDF document text
- http://novichiha.ru/pic/file/41704378243.pdfIn PDF document text
- https://cafesca.info/ckfinder/userfiles/files/mojesunogavemukuwovomevun.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d82feaac6ec---wetof.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/t0ql1rm645m66sit2g634q6li3/18764247474.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/giwaxadinurupiwivilosufa.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160793b73f0773---71961829021.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e55a0470c---todazigedopibivedezoto.pdfIn PDF document text
- https://fanaf.com/article_ressources/file/51039952612.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607edb1959e15---xavakekedevimaf.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/42580425602.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=evoluci%C3%B3n+hist%C3%B3rica+de+los+subg%C3%A9neros+literariosPDF 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_off000103ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011bfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFE | 18776 bytes |
SHA-256: 52672076651bc2ac9df6cfb63bcd8832f4bc0ef462b31e0d7496ac421cbb0f0f |
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font_02_sfnt_off00014aee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AEE | 11228 bytes |
SHA-256: a03e41d85d22851ca235c1b70e075d8df1dd9012d95224f010b4fc3bee155797 |
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