MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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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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://baarspo.ru/strik?utm_term=quando+come%25C3%25A7a+declara%25C3%25A7%25C3%25A3o+de+imposto+de+renda+2020 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4450260/normal_5fee97d7797ac.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375699/normal_5fec5491d76e5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482848/normal_601151fcd09bf.pdfIn PDF document text
- https://cdn.sqhk.co/pisapaxosabo/h7liitS/photoshop_app_download_for_pc.pdfIn PDF document text
- https://wonefosobafig.weebly.com/uploads/1/3/4/4/134479447/setuv-mutadixotoni-vumoxugozemoxo-paxasurom.pdfIn PDF document text
- https://cdn.sqhk.co/bitomasijelo/aFBLhjS/93959875458.pdfIn PDF document text
- http://dejepuzalew.mygamesonline.org/47498071433.pdfIn PDF document text
- https://gepavemu.weebly.com/uploads/1/3/4/8/134861499/terapidaraki.pdfIn PDF document text
- https://cdn.sqhk.co/lakabarobuk/jhidhcz/3927986630.pdfIn PDF document text
- https://cdn.sqhk.co/wazilisiko/auUhaej/old_school_games_for_ios.pdfIn PDF document text
- https://cdn.sqhk.co/rubogomuweme/jjpeJhj/48252842748.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417313/normal_6049c03b199ef.pdfIn PDF document text
- https://pexafibilo.weebly.com/uploads/1/3/4/4/134484824/kofewuwimat.pdfIn PDF document text
- http://palikexifumalam.mywebcommunity.org/brush_lettering_practice_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/lupekute/jeiaKvC/21871765338.pdfIn PDF document text
- https://cdn.sqhk.co/kubepugemaki/Ljdjf9O/bloons_tower_defense_6_free_hacked.pdfIn PDF document text
- http://makebugobiwuka.mypressonline.com/lawyer_salary_in_south_africa_2020.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379498/normal_6043252e1bb37.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/faluzotixupi/wouxun_kg-uvd1p_manuale_italiano.pdfIn PDF document text
- https://s3.amazonaws.com/fevobelijogal/pugomenapimukututo.pdfIn PDF document text
- https://s3.amazonaws.com/pugomonapoxuxe/mta_bus_app_android.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11854 | 5936 bytes |
SHA-256: 06b36193107d41cac0730085dff5834ba2234d179ba2c749ea596e7a0da533f9 |
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font_01_sfnt_off00012b7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B7C | 13468 bytes |
SHA-256: 9095e9272eb51c9a0abdb2c096b5094ddbd270c4a778558bf5bf55d5ca8080f0 |
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font_02_sfnt_off00015494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15494 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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