MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics indicates an attempt to lead the user to a compromised or malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://easternsheep.by/app/upload/file/jazonepanedesevuzevobo.pdf In PDF document text
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/kozixixibarigolaxirizat.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/4pldcelhnlskjrre4vh5otbr5v/33473177967.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/tce4eoi7h278lplr1j8ra5iujt/nisusavusi.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/d8e235bc9f470559c763d73f2d5a35a2/nasoxifibepotikipapowi.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/bb9cd58f05eb3012d20b0a228fb07d73/bataxi.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/rifilimisitumix.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/75487477feea18a99827173d69d15c45/setiribak.pdfIn PDF document text
- http://afgventuregroup.com/cfiles/file/tiriwaniritaranelug.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/9fd22f4b74f5edc06f04b6586597885a/fatapidinipopiganeso.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/62408911302.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/60132508813.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/vekikalokagamofapate.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16092f994a4d37---81213647908.pdfIn PDF document text
- https://walnutcreekguide.com/wysiwygfiles/file/54193378801.pdfIn PDF document text
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/85005400714.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096b17c748b6---safis.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/zipafurikawabopopisetu.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/51244647368.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e53b657a5---47702326324.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160bef9895e81e---94841469234.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/wedejujufozoja.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dcb216302a7a9665b292d058da1fda40/76323276900.pdfIn PDF document text
- http://taiyoaquris.cn/upload/userfiles/files/20210702030520.pdfIn PDF document text
- http://trendybiz.in/usersfiles/file/zogukoxopew.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=word+link+level+312PDF 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_off0000daf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF7 | 10308 bytes |
SHA-256: bd4208210b5bb16cad5d2d016940613d711de97b4812dfe3e96076eb8186c6dd |
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font_01_sfnt_off0000f257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF257 | 16868 bytes |
SHA-256: 7c96d96626a1a761b7329742ce23f3aa52ec0cab91a8085fd9d392090d34c042 |
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font_02_sfnt_off00011e91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E91 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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