Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ba0945907500bdb…

MALICIOUS

PDF

82.0 KB Created: 2021-03-02 18:46:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 7885a226dbf7781840ac2b54e67e717e SHA-1: 179c30bb06334a4bf6a856c76580431fe142c1f8 SHA-256: 0ba0945907500bdb73c17e814780eb9727b0e9e31daa5ad99ee8a7a967c5321a
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, many pointing to disposable domains and link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are consistent with techniques used to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://nipisod.ru/wix?keyword=animal+crossing+new+leaf+present+guide+toy+day PDF link annotation
    • http://biwedujurar.mywebcommunity.org/les_miserables_2019_summary.pdfIn PDF document text
    • https://cdn.sqhk.co/xubulozirod/jbpSjiQ/reynold_masterchef_dessert_alice_in_wonderland.pdfIn PDF document text
    • https://molobaguzali.weebly.com/uploads/1/3/0/7/130739923/xaxeleralibufup.pdfIn PDF document text
    • https://jitemino.weebly.com/uploads/1/3/0/9/130969659/tesazavimosovixam.pdfIn PDF document text
    • https://vulemozebo.weebly.com/uploads/1/3/4/6/134693025/6824df2d.pdfIn PDF document text
    • http://falufob.iblogger.org/25745148356.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392860/normal_60205209a7797.pdfIn PDF document text
    • http://rozujed.sportsontheweb.net/bosch_glm_15.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402247/normal_602513451a986.pdfIn PDF document text
    • https://cdn.sqhk.co/bikegola/cH1hdgg/instrumental_top_40_radio_hits_youtube.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451225/normal_5fd74b482a1b6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426697/normal_6016bb16d481b.pdfIn PDF document text
    • https://cdn.sqhk.co/sinemajud/giJSkia/ligabaduj.pdfIn PDF document text
    • http://gemixemufasu.22web.org/symbols_in_the_mandalorian.pdfIn PDF document text
    • http://taxokijoba.sportsontheweb.net/99277332848.pdfIn PDF document text
    • http://gedatidigog.sportsontheweb.net/padoro.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458628/normal_600f43906ac85.pdfIn PDF document text
    • https://gotukedefiwukub.weebly.com/uploads/1/3/5/3/135309477/6549475.pdfIn PDF document text
    • http://bekowakiged.iblogger.org/fimexujimonati.pdfIn PDF document text
    • https://cdn.sqhk.co/kezomerameki/gjdCGji/48491982805.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
    • http://feferabi.atwebpages.com/baxi_luna_3_comfort_310_fi_error_codes.pdfIn PDF document text
    • http://vuxubeso.rf.gd/apprendre_l_italien_facilement.pdfIn PDF document text
    • http://vuzelupuz.rf.gd/is_hunger_games_a_banned_book.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.

FilenameKindSourceSize
font_00_sfnt_off0000f662.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF662 5540 bytes
SHA-256: 1e1c15898dc69c80406954ebb55db2b836e824bd8c429bf067523dcc9d433208
font_01_sfnt_off00010924.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10924 10240 bytes
SHA-256: 7b210a5c13bf742fed612a809e7024495789e0994385b48713e9a9388cc7580e
font_02_sfnt_off00012c2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12C2F 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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