MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm for malicious redirection. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution. The embedded JavaScript is a common method for executing malicious actions within a PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
Heuristics 7
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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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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 http://clubselectionvoyages.com/images/file/87316185048.pdf In PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088157d22920---wodimejumesuj.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/cbepqgtbqmj5mpbftbtvsjoa7d/dutojulo.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/50bd4b49745241160fe6eac1d78d60f6/kuxaje.pdfIn PDF document text
- http://www.zdravotechnika.com/ckfinder/userfiles/files/wenumiwowuvi.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/19075538431.pdfIn PDF document text
- http://vdadanang.vn/app/webroot/assets/files/kanezafexisomalo.pdfIn PDF document text
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160af6cf17d021---dibedi.pdfIn PDF document text
- http://archimax.ch/dynamic-images/cms/file/20714963787.pdfIn PDF document text
- http://susutour.com/userfile/file/3455691513.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160943ab22baf8---melifar.pdfIn PDF document text
- http://mp-hd.de/data/aktualnosci_imgs/file/jamowamodikir.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/6e9uor0i960j4hldb37sv7kelr/tikaxeriguwusoxi.pdfIn PDF document text
- http://scro.ru/pic/file/97863989758.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b1e867a899b---18303087436.pdfIn PDF document text
- http://studiotecnicoarduini.eu/userfiles/files/30414581015.pdfIn PDF document text
- http://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/babakome.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/0f1b65fa6fb87be23902fd44168af576/jesakunu.pdfIn PDF document text
- http://888chji.com/userfiles/files/1809556825.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/beriguxosemudevopefiwix.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/3a586afd1f56554ee4ee53aedf726d97/xipaluzuk.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/58140451965.pdfIn PDF document text
- http://medtravel.lv/images/hand_uploaded/files/22139795834.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/66043477498.pdfIn PDF document text
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/6nlk1027ejnvrotl7o55scgvdi/62603643123.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=atomic+structure+worksheet+complete+the+table+answersPDF 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_off00010453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10453 | 24524 bytes |
SHA-256: c1e14c0969409f4aa063515be72b91b34d70f1e7d31a1049af1b928821df5135 |
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font_01_sfnt_off000143ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015c16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C16 | 11040 bytes |
SHA-256: 095897915024752c4b22a81646f439f1a7fe57d8626232bd068eb8029a652fc3 |
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