MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised CMS uploads or disposable hosting. The presence of a 'link farm' heuristic further suggests the document's primary purpose is to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://chcial.ru/uplcv?utm_term=chronicles+of+narnia+prince+caspian+song PDF link annotation
- https://dentalrud.com/userfiles/file/kotumowirodolijadisuwugu.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/72632159135.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/sgkcrjqdh83hrpkk5cfkgnj7v9/jatibuf.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16078e73227676---livipuro.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/23b25f8871382c1ce21e726b2efd8aa7/nawojiwujovadexerojudi.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/1931811633.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160d043edc889a---winobejolasesupudabo.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210726111550.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca3e50cae9---gedaxoxofovemaxopuzovozi.pdfIn PDF document text
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/ebc1b31c357f8dbe26d9d9fc25a37826/76478130779.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/e89v26t15s66sk0obr71d1mos3/75723824526.pdfIn PDF document text
- http://proreferee.ru/uploads/ckfinder/files/62126170198.pdfIn PDF document text
- http://doubles301.jp/files/ckeditor/files/xufaziwegajumuludixim.pdfIn PDF document text
- http://scro.ru/pic/file/wobesiguka.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/b89sm2l7uha95l3sr557bqvbfg/18310886572.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/t3n1i58iabbeng6iqns2tci7uv/57782232855.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/b4jpp58cv53n0fc1hjld0jna81/59766699387.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bf1f046ba---jamexaferepewat.pdfIn PDF document text
- https://ikansambel.com/contents//files/12861435237.pdfIn PDF document text
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/43e421a922b08592cee3b63df694310a/27711989655.pdfIn PDF document text
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/f8debed38fea9da75521b89d9c0554ef/79929875595.pdfIn PDF document text
- http://nacyc.jp/Upload/file/41117512955.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608620a092fea---3815865834.pdfIn PDF document text
- https://kimtuong.vn/isc/public/files/fckupload/file/nujipobaxiwanix.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_off0001e4e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E4E6 | 10692 bytes |
SHA-256: ac0c7fbb0b5590e4ccd6f5104104eae06d830fbbb543e964e080d82454bdd7e9 |
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font_01_sfnt_off0001fd58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FD58 | 17288 bytes |
SHA-256: 47fbb7f66ea83707ae48562c88feb1bfe528694aea30f0c993e219c431576e1d |
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font_02_sfnt_off00022a95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x22A95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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