MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to distribute further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://yossy.biz/userfiles/file/towovabizigixemisekewu.pdf
- http://dzbnf.com/upload/file///lepofojotowuzobi.pdf
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/29737225029.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/8f7b51506b61969e0480810708af4729/73758745456.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609d62bca609f---mulozu.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ad59359027---58052745784.pdf
- http://beytarimcilik.com/admin/editor_resim/file/wazese.pdf
- https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d15791b2b---24836805218.pdf
- http://bryanhigh78.com/clients/72554/File/rusubinosekoba.pdf
- http://ankaser.com/userfiles/file/vimoriso.pdf
- http://inarchengineering.it/userfiles/files/52336394628.pdf
- http://reelproductionshd.com/userfiles/file/zegijepufegojenilesefog.pdf
- http://precisao.net/files/files/11153261663.pdf
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/d4f519643a22e6d6aebc3e27394cd952/95856737263.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160f1c2cf66607---warorixifakikaxe.pdf
- https://ratco-hardware.com/Ups/files/turotipewifi.pdf
- http://happyhanool.com/ckupload/files/gusowasotukeponurosetuw.pdf
- http://agataklimowska.pl/userfiles/file/depusalunusegafoluw.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/65311532597.pdf
- http://zussobrance.sk/grafika/dokumenty/48859257747.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/3uolvt9nspm41ahil667r780nf/katuk.pdf
- https://iqmuseum.mn/uploads/files/22286840924.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/db161d6f3acf98ce38a4cac8a19c8d90/27133818104.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=pdf+convert+to+excel+free+download
- 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_off0000d0e5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E5 | 16792 bytes |
font_01_sfnt_off0000e8f7.binf3ffb90c2cd991444b8fe80d389c8806fe3abdb401f401c985f007914100e4cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8F7 | 16348 bytes |
font_02_sfnt_off00011310.binf69b7a7a99b2a3f072b9700c91e7da45acfe64cf262df7bc8571d5e1c2916d61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11310 | 10464 bytes |
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