MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to websites hosted on compromised CMS platforms or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://mariellatriolo.it/public/file/vesemisutolajosapuz.pdf In PDF document text
- https://successalpha.team/upload/files/kodomik.pdfIn PDF document text
- http://www.papelerialapiceros.es/ckfinder/userfiles/files/73858051942.pdfIn PDF document text
- http://ahdjcm.com/upload/files/bowoporizovetuxudenexu.pdfIn PDF document text
- https://growyourmoney.in/userfiles/files/narujesanoxaraz.pdfIn PDF document text
- http://reklama-v-sochi.com/ckfinder/userfiles/files/91815816834.pdfIn PDF document text
- http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sebili.pdfIn PDF document text
- http://tourister.kr/userfiles/file/dinamiwetukori.pdfIn PDF document text
- http://softtox.com/new/userfiles/file/fasupefinomuxa.pdfIn PDF document text
- http://infas.cz/images/wiswig/file/kifanuno.pdfIn PDF document text
- http://tareeapartment.com/user_img/files/27555151193.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/xasotifew.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/elf14fgcfjqkq3nohjats6af1d/41998244286.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/f5fe725371ea04885e714816950f1bf0/31696563777.pdfIn PDF document text
- http://halanmilk.com/upload/files/17487706804.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379de05f895---rexajivegusarofidaziled.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/mofer.pdfIn PDF document text
- http://yuilchem.com/userData/board/file/68626013848.pdfIn PDF document text
- http://oa30us.com/userfiles/file/vebesosakovonaf.pdfIn PDF document text
- https://egf.tw/test2/images/file/matarikikip.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613594cbf05bf---bexagubaxapulemixewem.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=vido+lyrical+video+status+maker+app+downloadPDF 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_off0000d494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD494 | 11100 bytes |
SHA-256: 9ca1cf774eefe0ae8859c80a4073ef3fbf2355442a1982f2968fc65813c0ea5f |
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font_01_sfnt_off0000ee86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE86 | 19332 bytes |
SHA-256: 512044a84916131bde8b7ea33ae585c98f32bcbaf27acf637ab6d2578152495b |
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font_02_sfnt_off00012130.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12130 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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