MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to disposable hosting sites, many of which are structured as link farms with UTM parameters, suggesting a phishing or malware distribution attempt. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to evade static analysis. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://huntic.ru/uplcv?utm_term=download+airtel+ringtone+for+android
- http://sciattella.net/images/file/65780799391.pdf
- http://magiepourenfants.com/images/mediamanager/file/lizexozuvu.pdf
- http://guerrazzi.info/userfiles/files/refofetisiguwitu.pdf
- http://www.anaja-inter.org/public/file/roduwepatiwawagig.pdf
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/sonatazuwi.pdf
- http://ohappy.org/userData/board/file/40772337396.pdf
- http://bradzo-ep.com/uploads/files/78792983985.pdf
- https://falconshipping-uae.com/userfiles/files/vevetoniburi.pdf
- http://podlahyadvere.sk/editor_uploads/system/files/53274856309.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145bc6cb54eb---75404666096.pdf
- http://shouce-image.kuchuancdn.com/Public/resource/files/83031690879.pdf
- http://burelomdo.com/ckfinder/userfiles/files/vimufujivepixaxujotim.pdf
- http://slstudio.it/userfiles/files/putesadipinejinunan.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/18676503417e3c93b71032b3c10020fc/79986949462.pdf
- https://www.asoriofrio.org/ckfinder/userfiles/files/gitifosunujafavanutifab.pdf
- http://besteva.com/upload/files/91513545124.pdf
- https://nazrabilisim.com/calisma2/files/uploads/8903428320.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c00a15c7b1---78153851194.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1614690e1cb862---50198105421.pdf
- http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/68437924216.pdf
- http://flapboxes.com/userfiles/files/54995218380.pdf
- http://centralcogtc.com/uploads/file/86942436647.pdf
- http://metalltechnik-kutschi.at/90811919688.pdf
- https://sharmtocairo.com/userfiles/files/25426094724.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_off0000d689.binba494006d4c95a4348429e45452a203338959b79cd149d7cc9d79bd3a5501c40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD689 | 17428 bytes |
font_01_sfnt_off000103f8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F8 | 16792 bytes |
font_02_sfnt_off00011c0f.binfd631b4852e3c66872850056d55a37701b2f82d7625948e40d9dace183a47494 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C0F | 10448 bytes |
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