MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to direct users to external content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or SEO spam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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 http://hanlacsclub.com/ckupload/files/zeserunazinovib.pdf In PDF document text
- https://sankaibearing.com/userfiles/files/ruxajorupa.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/91904661264.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ecab0ed593f---36361453576.pdfIn PDF document text
- https://zmiz.hr/userfiles/file/sedodemokijexeberupipel.pdfIn PDF document text
- http://greenearthgardens.org/userfiles/dowar.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf77e78cb9---81028629994.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/fa664c5595fd183fb63c22fd8616112d/xatizewenuxiwokasos.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/c9bfcce1f74fcca68e05801d1c794bb0/jusutepidexov.pdfIn PDF document text
- http://neoclassicalmansions.com/uplds/file/51745626920.pdfIn PDF document text
- http://fujavietnam.com/images/Download/32493407890.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/fadorezifijawel.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/eunriton4bbtrclqftgsele7gc/44623676014.pdfIn PDF document text
- http://deepakbatteries.com/uploads/file/navakatowedumeseb.pdfIn PDF document text
- https://ketdoanbus.com/webroot/img/files/pajenugenetorekok.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/7f5sh7llrgkl19v0b1svp1ii4e/divafabifif.pdfIn PDF document text
- http://romanakladatelstvi.cz/userfiles/file/51551873193.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160980411dd1b2---sizujavubevi.pdfIn PDF document text
- https://shellserva.nl/docs/Image/file/47394504379.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210609123246.pdfIn PDF document text
- http://www.kymenhome-etsinta.net/tiedostot/files/luziva.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/88261109296.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=to+be+trustworthyPDF 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://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_off0000c4be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4BE | 10204 bytes |
SHA-256: dedcef99686b4cb92198f2d4a4472273955a79581e89f0a1b7243859dd81787f |
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font_01_sfnt_off0000dbe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBE0 | 16936 bytes |
SHA-256: eea23d47f3b5a8b5ac654c51755f121c0c5d817bef1ac4158a269dc0275559b4 |
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font_02_sfnt_off000107d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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