MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or redirection scheme. No scripts were extracted, but the structure and URL patterns are consistent with malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9745
Heuristics 6
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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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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://duext.com/wp-content/plugins/super-forms/uploads/php/files/69de58020a66f1b8c2d7f745d979e0d3/dorejovojigetirile.pdf
- https://topaldanang.com/uploads/image/files/58319395041.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/896b01339f5e90feb194d2c3f377d4df/47984257402.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/ad67f846012bcc67eb6a92a82e22e360/zonudazot.pdf
- http://galluccifaibano.it/userfiles/file/puberupitirunokijososa.pdf
- https://rpitrade.com/ckfinder/userfiles/files/20499315487.pdf
- http://greece-ex.com/images/blog//file/jekamofijezigurukosel.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/bnjlujr5j4at5hoaca3nq99odc/gawapavekixevabalinasixe.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b103c0a27---kubifitilokofixaxol.pdf
- http://historia-bfured.hu/userfiles/file/31583256863.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3598036ce8---94382932462.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/2322dad889899b174b3c80ff1e80684c/69569581867.pdf
- http://accronline.com/userfiles/file/simegi.pdf
- http://ok-poland.com/userfiles/file/fakufozobudobedavanizagif.pdf
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5f9ec9023---bapebubuxidugosagaguma.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925231d1f8d---potomasesapixaw.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/4af9afd764c58d260e075804a68fd9c6/bufozofasefojonubewatude.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/rugrp6n83kgg631pl3iju3rc32/92882443294.pdf
- http://saluteebenesseresas.it/userfiles/files/nodijamuxizaforawagas.pdf
- http://tahi.hu/ckfinder/userfiles/files/sawuselogadolewata.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/92796cbe6c2a4bb827d728a480ea5b1b/zomukafamija.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/b39b0791b32c0633789772dc94a0f0c7/26264910534.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=bible+quotes+about+morality
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a98f.binc8a2e5924588a0e709436966b64c420d61c6ffc03afa4937b71594ef74cc694f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A98F | 17580 bytes |
font_01_sfnt_off0001d74f.binb1f02140ac939089bb53376a2d13f80b52080d9ae626026af5dd4c02f5368bea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D74F | 10720 bytes |
font_02_sfnt_off0001f002.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F002 | 16792 bytes |
font_03_sfnt_off00020813.binb8ec925b67da0951bcf80cdedcbdc1be97e23c557c4b60808f97033034cc4b82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20813 | 17052 bytes |
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