MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, indicating an attempt to execute code within the document. It also features a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a tactic to distribute further malicious content or manipulate search engine results. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087a59ed2645---ludenewizurigawizosujexib.pdf In PDF document text
- http://lexus-custom.com/js/upload/files/33471656459.pdfIn PDF document text
- http://esistore.de/userfiles/file/83838405387.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608986f5852e0---13867518734.pdfIn PDF document text
- https://narimasu-chintai.net/jcfiles/file/52053140158.pdfIn PDF document text
- http://ikhmongol.mn/ckfinder/userfiles/files/31937507103.pdfIn PDF document text
- http://life-worldwide.org/assets/uploads/files/pijatunafa.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160755046ca468---wanulabovaxutudexuzatog.pdfIn PDF document text
- http://yourbuilding.ru/userfiles/files/44048806436.pdfIn PDF document text
- http://konsultacjenaukowe.eu/Upload/file/ralogodezuwutojumusatoli.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0f97c6b8a4fe7643e271a7861896e88d/nomumilolepig.pdfIn PDF document text
- http://rolmech-strzelno.pl/Upload/file/gifesoxoz.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6c7fc308e---69045046269.pdfIn PDF document text
- https://thietbivesinhsonhoa.com/webroot/img/files/74249075855.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/93207482512.pdfIn PDF document text
- http://sieuthibongda.net/ckfinder/userfiles/files/13830537780.pdfIn PDF document text
- https://fallsplat.se/file/13849516637.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/9596tmlamiug76lq3ov1934eo7/16777082555.pdfIn PDF document text
- http://wonderful-foods.net/userfiles/file/27119322889.pdfIn PDF document text
- https://bibonatura.com/ckfinder/userfiles/files/44990954724.pdfIn PDF document text
- https://sportsht.com/userfiles/file/4881194780.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=fun+facts+about+todayPDF 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_off0000e9ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BA | 20024 bytes |
SHA-256: 350ea4417891bba2e72945ff583e3b351a40f9bafa4c80aee42bafb2dc310d5d |
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font_01_sfnt_off00011d2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D2D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13544 | 10432 bytes |
SHA-256: 6dc082dc8eeab32960da6cf23dce1042edb3439fd8a1ae399c3d2e135d510748 |
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