MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by multiple heuristics and a machine learning classifier. It contains a link farm with numerous external links, many of which are hosted on disposable domains, and impersonates Microsoft to lure users into clicking a link, likely for credential phishing. The PDF document body is heavily obfuscated and unreadable, but the presence of external links and the brand impersonation strongly suggest a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
Heuristics 7
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://jonilokakowoso.weebly.com/uploads/1/3/1/4/131453896/luxudozax.pdf.
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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://jumiwimov.ru/strik?utm_term=how+to+draw+anime+eyes+easy+step+by+step+for+beginners PDF link annotation
- https://jonilokakowoso.weebly.com/uploads/1/3/1/4/131453896/luxudozax.pdfIn PDF document text
- https://cdn.sqhk.co/libegavezu/hjfjdot/losigizujo.pdfIn PDF document text
- https://wimelavejitovuv.weebly.com/uploads/1/3/4/5/134597731/5d0bba8.pdfIn PDF document text
- https://gidutuzewefira.weebly.com/uploads/1/3/1/3/131380066/1694899.pdfIn PDF document text
- https://cdn.sqhk.co/vemetafije/hjQhi4d/18259961887.pdfIn PDF document text
- https://cdn.sqhk.co/kegufamop/ijfjjjf/best_online_fighter_plane_games.pdfIn PDF document text
- https://tetumuvagawemol.weebly.com/uploads/1/3/4/5/134522004/6cff4ea8aac75.pdfIn PDF document text
- http://bilenilabokadox.22web.org/19631266078.pdfIn PDF document text
- http://powigiburaju.22web.org/bsc_quantum_physics_notes.pdfIn PDF document text
- https://zepukuliro.weebly.com/uploads/1/3/5/9/135964459/nenixobadodulovo.pdfIn PDF document text
- https://cdn.sqhk.co/kopilixa/cPhaKdv/ares_virus_game_guardian.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://69cf8a46-0d3d-4b71-8fd1-93df925da18e.filesusr.com/ugd/e4064d_3a941974bf2c4ae68baa506c1fb799b4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8a1da982-98e4-4584-a32d-9fff70d47939/anatomy_and_physiology_laboratory_manual_cat_version.pdfIn PDF document text
- https://82cb18f6-4a40-4824-ac11-10070f72ce02.filesusr.com/ugd/5aec95_21f5fd76500b4d7cb3fcc7e5687e1cee.pdf?index=trueIn PDF document text
- http://bujubigakokuv.epizy.com/how_accurate_is_the_relion_wrist_blood_pressure_monitor.pdfIn PDF document text
- http://kavolimuteso.epizy.com/vudimeju.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a68f71bc-06ee-452e-b480-da98b4461db1/movie_editor_software_for_pc_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6864114-d557-4abb-b582-b188f482edd0/navy_selres_advancement_results.pdfIn PDF document text
- http://vurujixeja.rf.gd/40ft_container_dimensions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75c9f36b-5b4b-4462-8fa5-a0297987d143/tukatepewuwewofomupofi.pdfIn PDF document text
- https://e61e9f85-32c5-4861-9fd4-b89109084c35.filesusr.com/ugd/2e4eb4_2bb5d7be78324a87b3d8cc0079f1859d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/658392cc-e62f-42fa-a634-14f317ee2635/83130550931.pdfIn PDF document text
- https://c7bff75e-0a19-4817-9d47-fca4cf08161b.filesusr.com/ugd/3b6424_78f89d328bcf4be9a9631631c92ce182.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5f9fba13-ee4b-437a-add4-6576c8225bcb/hp_deskjet_2512_price.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a1b8241-ce92-408c-97c5-474f2f330457/perfect_english_grammar_gerunds_and_infinitives_exercise_4.pdfIn PDF document text
- https://e6c529cc-411f-4195-b5ea-7b5fd081490a.filesusr.com/ugd/b7ab08_8f61d3a0dd4442d1b38d249ced0274c1.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_off000128dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128DD | 5624 bytes |
SHA-256: fdd0e7f5288db126ef037948af1b6588b05b15d712e4beb166baf4c8892c61bd |
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font_01_sfnt_off00013bf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BF6 | 11248 bytes |
SHA-256: e07186380c77d9cd5881050d86c6b0395be476d77d38310f6425eb828d76afcf |
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