MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The 'SE_CLICKFIX' heuristic suggests social engineering to trick the user into executing commands. Numerous external URLs were extracted, many hosted on disposable domains, indicating a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains keywords related to router passwords, suggesting a lure for credential harvesting or further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://midufefew.ru/strik?utm_term=asus+router+default+password+rt-ac66u PDF link annotation
- http://sevoxotedeki.medianewsonline.com/electrophilic_addition_reaction_mechanism.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369909/normal_5ff6685637217.pdfIn PDF document text
- http://tepifugamokeg.medianewsonline.com/72193484014.pdfIn PDF document text
- https://fewegako.weebly.com/uploads/1/3/1/4/131453302/8f6a239.pdfIn PDF document text
- http://mediaverifiedbadge.com/history_of_western_music_anthologyy1yih.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420760/normal_60683674c4337.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469633/normal_601032c630d36.pdfIn PDF document text
- https://rosolivemimej.weebly.com/uploads/1/3/1/3/131382018/6812086.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443809/normal_5ff94173977e9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450878/normal_6002451c39664.pdfIn PDF document text
- https://roserilufelojow.weebly.com/uploads/1/3/1/8/131856860/kedonaju_xemafomokaziwi.pdfIn PDF document text
- https://gigadejelurare.weebly.com/uploads/1/3/0/8/130874533/7665664.pdfIn PDF document text
- https://nunigagajil.weebly.com/uploads/1/3/4/7/134751499/pomepopajo-sapegununalow-vozuxutog.pdfIn PDF document text
- https://vimefipivarek.weebly.com/uploads/1/3/4/3/134310944/robunaxuse_pelas_jokenifo_tezaka.pdfIn PDF document text
- http://nutristrike-shop.ru/pixamegikurixamaxatanilafzz6.pdfIn PDF document text
- https://bopewoxal.weebly.com/uploads/1/3/5/2/135296364/5678213.pdfIn PDF document text
- http://lixodamevurobar.mygamesonline.org/todokafokeg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4505326/normal_6055ff1031356.pdfIn PDF document text
- http://zereteleriw.getenjoyment.net/86494243094.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370064/normal_600ed86486af5.pdfIn PDF document text
- http://bluebadgeform.com/cbse_2018_date_sheet_class_12_commerceypapz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471234/normal_60120a4e5e32c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xobebol.onlinewebshop.net/nedekumubanuxafuf.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eaff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFF | 5416 bytes |
SHA-256: ba407e31073668e51c0552a59872368147c074748fb92e9241a8d137871fa058 |
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font_01_sfnt_off0000fd91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD91 | 11504 bytes |
SHA-256: 44c3097a3ae9854c260e58372ca22e4ea297b35a16a923c773343b1b2e28a533 |
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