MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the nature of the document as a collection of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://medvor.ru/uplcv?utm_term=percent+increase+and+decrease+worksheet+answers+7th+grade PDF link annotation
- http://sumbulefendiegitimvakfi.com/resimler/files/41403700209.pdfIn PDF document text
- http://ournextfamilyreunion.com/clients/4/49/491fb30de6d8464ca6518fa43aba5bd5/File/mamowafudubolufijovamowom.pdfIn PDF document text
- http://xiangzhuan.tw/upload/files/vobadapebuvakenovat.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcea81f875---18109849940.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/72403849514.pdfIn PDF document text
- https://seerupit.dk/assens/file/43839021557.pdfIn PDF document text
- http://fairway.cc/images/blog//file/retikovifudinufepogemej.pdfIn PDF document text
- http://hanmih.com/userfiles/file/20210720075214.pdfIn PDF document text
- http://alexhoffordphotography.com/temp/files/file/lifafurili.pdfIn PDF document text
- https://sluganarodu.org/userfiles/files/tadodova.pdfIn PDF document text
- https://gruntbudowa.pl/files/file/fimisemuzekakozidepo.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/30ef3390883a3d3bbf51365aedbbcd14/27184625465.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/bpllpj930tms5bri1i36qha4st/35472338828.pdfIn PDF document text
- http://madmojo.com/fckupload/file/dejiwukogagonakovupab.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/0e461f7550b7e41c9865cf71cc75365d/14687746389.pdfIn PDF document text
- http://oio.cn/uploadfiles/files/98914767221.pdfIn PDF document text
- http://sushibelovo.ru/files/kefupotizerijun.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/34348329971.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/gekizotikerafetawuwebesa.pdfIn PDF document text
- https://nistd.in/userfiles/file/paliro.pdfIn PDF document text
- http://timebymtm.com/upload/files/xajawurorixekefa.pdfIn PDF document text
- http://axwelindia.com/uploads/gixakoxenatedawudu.pdfIn PDF document text
- 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_off000175dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x175DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00018dee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18DEE | 20052 bytes |
SHA-256: c57a181b1795ff20fd86d0bc91d43b7a53bfa5c7a11e873c4f6d0014db85f1a7 |
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font_02_sfnt_off0001c294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C294 | 10832 bytes |
SHA-256: 63a963c3a2a5832bd05c37e50c59e6bafaeb9a1502e419f738e7e9cb855ffe4f |
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