MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and is identified as a link farm, with many links pointing to compromised WordPress upload storage. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing trojan. The primary attack pattern involves directing users to potentially malicious websites hosted on compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://philabc.ru/uplcv?utm_term=dengue+and+typhoid+together
- https://heider.ru/wp-content/plugins/super-forms/uploads/php/files/e648c022e92d33d5d0608ac5005c67bd/fegenimoderegiwefonex.pdf
- http://sattamatkapatti.com/userfiles/file/susilejawal.pdf
- https://paklya.su/design/img/upload/file/naxopefiwovilifema.pdf
- http://jrpst.pl/userfiles/file/99866946837.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/fa0403d9290299d2c10cce225ca85cdd/mariketowuv.pdf
- http://ztkammer.at/uploads/file/tubanudepofoxis.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16070ffa1847e3---nifivamixomaribemoluru.pdf
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/0b5fb4aa6a0be481e79389b23683da03/dizusuvewupuxaguver.pdf
- http://rehahomecare.com/upload/editor/files/fopofipif.pdf
- http://wawabed.pl/uploads/userfiles/file/wexoduzore.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/3cg5k2d40liptkck7fpdbta8b3/tizixexilosunemad.pdf
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/7b1873deb537e5327891ac55b43d92be/74574538627.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/80617e8ae25da17d8d93732524a4b0dc/12628208067.pdf
- http://canhtoanland.com/upload/files/vodudaxedivuxe.pdf
- http://dzbnf.com/upload/file///satubobadozenavozijevosol.pdf
- http://aylincinarli.com/fckfiles/file/52097898706.pdf
- http://abpaluso.com/upload/file/bewamewozar.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/e1b8e9652a0e570114c6f2cc48a0bd7d/melofenalufawabepaxo.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090a6e27b3de---mekavosijotexasuwizidulad.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ce68766823a---larosoxidafonul.pdf
- http://bitite.lv/media/txt/122/file/kovezoxitura.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607201f05c5bf---xeroxitip.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5aa866cef---99306035166.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160724781a9d37---puvaregupenuduvil.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee60.bin9e159c2ce500b00fe5eddfea2a8496e05fd26eaea0ad1dc06190ba714c9263d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE60 | 10672 bytes |
font_01_sfnt_off00010693.bin850e088167fc6cc1d218a16cad99742f3cd0f0b46a2398ac146c61a15439a5e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10693 | 17388 bytes |
font_02_sfnt_off00013437.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13437 | 16792 bytes |
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