MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting, and includes UTM parameters suggesting a phishing or malware distribution campaign. The ML classifier strongly indicated maliciousness, and the presence of a 'download button' lure further supports this. While no scripts were directly extracted, the structure and URL patterns are consistent with SEO-based malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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 https://ponafet.ru/strik?utm_term=gbwhatsapp+delta+apk+download+latest+v1+1.1+in+2019+-+apkfolks PDF link annotation
- https://pegepigav.weebly.com/uploads/1/3/4/4/134481067/pisituvizitikemin.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369487/normal_60106e648f709.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403539/normal_604a4cc5c66fb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495395/normal_5ff2fbb849706.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444386/normal_602e9cf4a6c52.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384318/normal_603cb332c210a.pdfIn PDF document text
- https://lesinagin.weebly.com/uploads/1/3/1/4/131454304/3319705.pdfIn PDF document text
- http://wolotalute.iblogger.org/los_juegos_del_hambre_libro_1_paginas.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443578/normal_5ffc667490109.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393359/normal_603c57f97578d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443819/normal_602566c6339b3.pdfIn PDF document text
- http://kadesevi.iblogger.org/14902837453.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://teruwizirazi.rf.gd/batetifuxifidevinufijibid.pdfIn PDF document text
- http://ferobinosu.epizy.com/gajifukeloroboduzaweko.pdfIn PDF document text
- https://s3.amazonaws.com/mamibis/vakinevufifalumif.pdfIn PDF document text
- https://s3.amazonaws.com/kujesulad/gantt_chart_template_pro_unlock.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB88 | 5964 bytes |
SHA-256: 56f5fda73dfe83a5bd1e942579986576ab8eb1b245423c0fb6c1594955aed417 |
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font_01_sfnt_off00010fed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FED | 1940 bytes |
SHA-256: 5b0e6fd9aa06054e8a90361113ac7715cc4c8db9fbb87c84f0adbc1de0cb15e7 |
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font_02_sfnt_off00011921.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11921 | 10876 bytes |
SHA-256: 252a26c0595df9f0e7c63028071459276e059766587bfc61da8204fdbfa9531e |
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font_03_sfnt_off00013e48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E48 | 16304 bytes |
SHA-256: 334a632046566dba1e13aa2ad28522ffc4701ff005b1d667d8ded0e84145bcf3 |
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font_04_sfnt_off000153ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153AD | 1736 bytes |
SHA-256: 0d9b6ab0354368cdfa5a4e52e4dfb250ede80cec4283e48fafec0a3c1c1d30df |
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