MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://yafferge.ru/aws?utm_term=girl+frontline+equipment+production+guide'. This indicates the document is designed to lure users to a potentially harmful site. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the presence of embedded URLs and the link farm heuristic suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/aws?utm_term=girl+frontline+equipment+production+guide In PDF document text
- https://cdn.sqhk.co/fefamuve/DdtMghF/darovedaz.pdfIn PDF document text
- http://smeh-mif.space/vsco_x_fullpack_di_ios6hjov.pdfIn PDF document text
- http://allostar.buzz/market_leader_business_english_upper_intermediate8qwl6.pdfIn PDF document text
- http://seomagnat1.online/368475965229ssc2.pdfIn PDF document text
- https://cdn.sqhk.co/mofijovelu/d596Yip/minecraft_pixelmon_servers_cracked.pdfIn PDF document text
- http://lebolugu.iblogger.org/vezidoxaxonalejezojup.pdfIn PDF document text
- http://swast-group.website/blacksmithing_guide_classicbpjh7.pdfIn PDF document text
- http://xupevagadozojad.22web.org/project_expense_report_meaning.pdfIn PDF document text
- http://websecurer.tech/pisaruzojamirobudalsdrfe.pdfIn PDF document text
- http://reactivascotia2020.com/ropunw69bd.pdfIn PDF document text
- http://tulakijumipad.22web.org/fda_food_establishment_inspection_report.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/pozokimepe/nokizaxewigigojepinewe.pdfIn PDF document text
- https://s3.amazonaws.com/fikuvine/xeridopozesa.pdfIn PDF document text
- http://viputuv.rf.gd/haploid_gametes_form_a_diploid_zygote.pdfIn PDF document text
- http://fegidil.rf.gd/70534050760.pdfIn PDF document text
- https://s3.amazonaws.com/jusagi/tadawisipodovimed.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBB4 | 2900 bytes |
SHA-256: a28fcc4ba65d8171a55e8b87d646ac5d1dd213f66ab2b0026fd39e5ca5d32d1a |
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font_01_sfnt_off0000d5f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5F6 | 5244 bytes |
SHA-256: a43ce84eec1d1900bb9a3397038e7b5958f103c36e1f3434afad9b196e92f81e |
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font_02_sfnt_off0000e7ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BA | 11040 bytes |
SHA-256: 5845338051a7a57b7063a4baad29ab313ec1086aa357e7fd0cdc65ecaed947cd |
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font_03_sfnt_off00010d69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D69 | 16092 bytes |
SHA-256: e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848 |
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