MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many of which point to websites hosted on compromised WordPress installations. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting and redirectors, suggesting an attempt to manipulate search engine results or distribute malicious content. The ClamAV detection further confirms its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4565
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/gq91j11bkp4jrunlcdacshos5u/vunidenakekofixewiwo.pdf In PDF document text
- http://acril.ru/ufiles/files/19861082243.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16115438463bf1---depapupumesanenumi.pdfIn PDF document text
- https://netshopnepal.com/userfiles/file/zijixafaluvavorazen.pdfIn PDF document text
- http://tjclassof1971.com/clients/1/16/169b02496b2253913efe31a5b05f4f66/File/jowogapedupizewanin.pdfIn PDF document text
- http://jiehuist.com/userfiles/files/88644887579.pdfIn PDF document text
- http://noithatphathuy.com/Images_upload/files/27511758352.pdfIn PDF document text
- http://ddservice-bmw.pl/userfiles/file/paboxosokokosebuxivuvad.pdfIn PDF document text
- https://iranjobex.com/cache/fck_files/file/jifoditop.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jfa6ph1fdbsfra6p3p2on0t4q6/paronafivewivofibivu.pdfIn PDF document text
- https://pointvirgule.ca/upload/editor/file/51731310266.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c00f71dadc4---bejurimobogidonawate.pdfIn PDF document text
- http://gddfboiler.com/uploads/files/mujenodurerukatuk.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf280bcf70---25008614177.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/vetavoramago.pdfIn PDF document text
- http://aircond.md/upload_fck/file/32983534110.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612cd65dda4c3---fupos.pdfIn PDF document text
- https://marsanz.pl/uploads/fck/file/14893801183.pdfIn PDF document text
- http://hoaisonland.vn/upload/files/fejizuw.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083e355dc4ff---ludajepojotidopun.pdfIn PDF document text
- http://kelvista.lt/images/files/23733429104.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16096fc37a1fbb---41746285002.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=warhammer+40k+tyranids+codex+8th+edition+pdfPDF link annotation
- 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_off0001374c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1374C | 19080 bytes |
SHA-256: d8d66c2d630b835e3f0d2b1ba4442c0766b4a97da3ca39ba0d6ebc6a71f92e47 |
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font_01_sfnt_off000169a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000181bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x181BD | 11548 bytes |
SHA-256: 86e8d2902711c983223b026ab89c3ac3f9f84214368cd019e1994a790141e7e8 |
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