MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malware. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to distribute malicious content. The presence of a 'password-protected archive lure' heuristic further suggests that the document is intended to trick users into downloading and decrypting a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://xajibur.ru/123?utm_term=runescape+07+barrows+guide PDF link annotation
- http://tudetiva.iblogger.org/water_booster_pump.pdfIn PDF document text
- http://idealicaitalia-official.site/fall_stardew_valley_best_crops8zztv.pdfIn PDF document text
- https://cdn.sqhk.co/tinipuded/Fidhgx1/std_10_science_navneet_in_gujarat_ncert.pdfIn PDF document text
- https://cdn.sqhk.co/kopilixa/bjcn1ge/nudefefiwowosa.pdfIn PDF document text
- https://cdn.sqhk.co/xajegakagiz/fhbqijb/thinking_skills_assessment_oxford_past_papers.pdfIn PDF document text
- http://pollsexpert.com/59014313191mkmu3.pdfIn PDF document text
- http://granitmetrospecstroy.ru/foxagowasuwavademezivesguy51.pdfIn PDF document text
- http://bossyonlinex.com/852816861336nl7.pdfIn PDF document text
- http://bcpzonasegura10beta-viabcp.com/zalijopuzarobotesig1oju.pdfIn PDF document text
- https://cdn.sqhk.co/zimuteraf/iJhiHif/53616020192.pdfIn PDF document text
- https://cdn.sqhk.co/gesimefav/heTLGgd/how_to_become_a_kindergarten_teacher_in_georgia.pdfIn PDF document text
- https://cdn.sqhk.co/nudogada/ngihhif/for_freedoms_congress.pdfIn PDF document text
- http://help-copyrightviolationhelpcenter.com/free_avery_template_5267ceaiz.pdfIn PDF document text
- http://swiss-gear.store/950481547607avw.pdfIn PDF document text
- http://stonersfranchise.com/chevy_nv4500_master_rebuild_kitn1qv8.pdfIn PDF document text
- https://cdn.sqhk.co/foroboreb/dSieNIn/58179967139.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://2df275fc-a8dd-466e-be95-33fe0afe7bed.filesusr.com/ugd/9b6d1e_78bf58eb93b844a7ab42363b32b52429.pdf?index=trueIn PDF document text
- https://6cb1c90e-07cf-4522-b85d-4edd8abc33c8.filesusr.com/ugd/0c41e7_ccd4250d959f4ba3ac46cc5539452862.pdf?index=trueIn PDF document text
- http://rojegasofibi.epizy.com/92069974980.pdfIn PDF document text
- http://gisipevuzugofij.epizy.com/oxford_bookworms_stage_starter.pdfIn PDF document text
- https://81d89a68-18ac-4cf1-ad00-ddd5d2f7da41.filesusr.com/ugd/ed58ef_7dc1d54ffccd4494a99c0e309a0ee219.pdf?index=trueIn PDF document text
- https://6f8cb219-4830-455d-9ced-b55e65700e85.filesusr.com/ugd/fd30ac_703548f70da940b59e9fd247d6e2434e.pdf?index=trueIn 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_off0000e338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE338 | 5668 bytes |
SHA-256: 9397e5a0f0823b50fa68146f414af765ebd4ed1c2b9643c0988718bf1fb0b759 |
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font_01_sfnt_off0000f6a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A8 | 10672 bytes |
SHA-256: cd2a73a3feaafcb728f40a65211098b0936ecdce2077f86140c2f922abab27f4 |
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