MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. ClamAV detection and the ML classifier strongly indicate malicious intent, likely for phishing or distributing further malware. The document body was unreadable, but the link farm structure is a common tactic for initial access.
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 http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ddae0d6c0e1---6987923936.pdf In PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ba6708e44bc---kavufoxajoxif.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c61ef69bb60---pabed.pdfIn PDF document text
- https://sce.tw/uploads/files/60d3e68aa9af5.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/25273566230.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16080ad869a0a8---53345609583.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/a4vvs4h64f4788a8f4oi0lrgep/46325002647.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/fanudiluwerabigejifujo.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/764f06f68f57ebe4192696508f5a4535/41948624055.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/21706867262.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/f093753894828dcbb0d846a301303e45/4989418365.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16076a58e1bf16---kixin.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097e06a2b709---72665319109.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160da29d710c12---78779010979.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/jp37876oju6bpurkglodiu39qr/84883248569.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d8cbf6de329---86604102558.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/7130047578.pdfIn PDF document text
- https://austarpharma.com/upload/files/29444135512.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765e796ce8f---56359361947.pdfIn PDF document text
- http://www.themixchange.com/userfiles/files/tosora.pdfIn PDF document text
- http://speaklifeiamgreatness.com/files/files/senirovazikaz.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607dae27162b5---vekomulumagoguratokiz.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/15480458135.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160af7069a7b0d---60741085878.pdfIn PDF document text
- http://cybernet.asia/UserFiles/File/digoluwazanodet.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=sample+bill+of+sale+for+motorcyclePDF 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_off0000e894.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE894 | 16676 bytes |
SHA-256: fb2bd2522208e79f8d7d3978b89d23a84f349e6f7c103b433b2d779429a913b8 |
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font_01_sfnt_off00011426.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11426 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012c3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C3D | 10864 bytes |
SHA-256: a0533b08f4d05e5e6466752f5bb8800573990759a78861f0789bb30bc905b6fa |
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