MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of numerous external URIs and link farm indicators suggests a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://wastran.ru/uplcv?utm_term=watch+the+100+season+7+episode+1+free PDF link annotation
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/uosgg8t3ts3f4qkakmgd6nlfvq/40957290921.pdfIn PDF document text
- http://toyotarent.tw/FileData/ckfinder/files/20210919_8998C88B477A05A7.pdfIn PDF document text
- http://www.golfusa.be/userfiles/files/56661350792.pdfIn PDF document text
- http://goldenmallbiotech.com/upload/files/vuvamapizerujuroge.pdfIn PDF document text
- http://www.majbrno.cz/uploads/files/sogusutanus.pdfIn PDF document text
- https://0900107678.com/upload/file/wamix.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/65495163845.pdfIn PDF document text
- http://ms-krmelin.cz/app/webroot/files/files/84443457757.pdfIn PDF document text
- http://asztalosweb.hu/userfiles/file/20871109424.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/lajimalor.pdfIn PDF document text
- https://dansobentre.net/uploads/file/26465896590.pdfIn PDF document text
- http://encino.kopanramen.com/uploads/files/ravexagojabapakudoz.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/83570398961.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/2688b96c70e6a3485ea45a28af87564e/belaletuwisimafeba.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614b99c1e369f---dagufamika.pdfIn PDF document text
- http://yokohama-model.com/userfiles/files/sonumitunaguketuparev.pdfIn PDF document text
- http://gdfsztal.com/uploadfile/files/56311326328.pdfIn PDF document text
- http://plafondchauffant.fr/img/user/file/nalokisepawigesawuwow.pdfIn PDF document text
- http://stagelight.pl/userfiles/files/58345910021.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/83112d58f3dc65a1cbe58397820b7865/18559957110.pdfIn PDF document text
- http://rosniyom.com/userfiles/files/paxavazezudupiser.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16143cab08da24---51611032503.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021091117144489.pdfIn PDF document text
- http://oris-am.com/editor_up/66530972390.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_off0000eaed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAED | 17392 bytes |
SHA-256: 723205378b4cfb2ec77e4eb0f294847fd080b3aca2b9a52cd39c2c8409a5b889 |
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font_01_sfnt_off00011845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11845 | 10888 bytes |
SHA-256: 4a26621394ca599371cc0f049f5840e80fb8ce0a9da5ba0d88cf0a4d19a6e3ea |
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font_02_sfnt_off00013184.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13184 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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