MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. Heuristics indicate this is a link farm, likely intended to manipulate search engine rankings or lead users to malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, although no specific script execution was observed.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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 https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c92a7e63f61---7413546110.pdf In PDF document text
- http://medrea.ru/upload/files/rasonivibikiz.pdfIn PDF document text
- http://veterani-pushkino.ru/userfiles/files/24336363274.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/wupepotivutafemudi.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/7ff299292309adabee046a55a14abc8a/84979283951.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/asvhp94347rr10o0shesjkufr2/merodejalagetuvixotum.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160913a35eb69a---58447419134.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/lukimanulujidaka.pdfIn PDF document text
- https://ceccarbotosani.ro/userfiles/file/77537180515.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/c6kfjessoahs8lkrbuc3kdeg4n/putupit.pdfIn PDF document text
- https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/1615d0e3276f00cd06015d84b5ee88ce/zinavoke.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160953e1993ef2---9437295387.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/nowikewedotuvojoni.pdfIn PDF document text
- http://cuadepthanglong.com/images/ckeditor/files/41979234111.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a374597f817---jupujokoremizowemasi.pdfIn PDF document text
- http://edgecs.net/documents/taxibenira.pdfIn PDF document text
- http://hyundailed.com/upload/editor/file/lozovazunuriwuzexeg.pdfIn PDF document text
- http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kumoz.pdfIn PDF document text
- http://amouage-salon.ru/admin/ckfinder/userfiles/files/gasivupodirufotabubopasu.pdfIn PDF document text
- http://anatolianlgs.com/userfiles/file/56707602176.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9d0ea37a4---71604572909.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16216826639179.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/52003560910.pdfIn PDF document text
- http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/12320375734.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=galaxy+on+fire+2+hd+ios+cheatsPDF 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_off0000f305.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF305 | 22744 bytes |
SHA-256: c98e6a8cec0a356c1b7b2c6ac438104a6a4f5dd08f51d702fd9a435675f46655 |
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font_01_sfnt_off00012c96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000144ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144AD | 10948 bytes |
SHA-256: 024cecc13bf0286ec05064b7e9a53d5570fa1bb8c64298b5057c501ef53c4b69 |
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