Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8a71b92ac57dbc…

MALICIOUS

PDF

91.4 KB Created: 2022-03-26 03:37:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 525cb9628d670d3a5aa62d1bedf78ba7 SHA-1: 57368c0e8fb99b2a253ba149c2a7f4bc9b915db0 SHA-256: aa8a71b92ac57dbc807e420c7270f0d8a0b81f511b38e0a9c25f957d78257f19
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • 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://lovig.co.za/YmrXLWy8?keyword=how%20to%20turn%20off%20flashing%20clean%20light%20on%20mr%20coffee PDF link annotation
    • https://vekosakebasagi.weebly.com/uploads/1/3/4/7/134743747/9973077.pdfIn PDF document text
    • https://xanilavobug.weebly.com/uploads/1/3/5/9/135959945/gikijujiletuwowalipo.pdfIn PDF document text
    • https://wojumujar.weebly.com/uploads/1/3/5/3/135396772/6facec85d75a0f8.pdfIn PDF document text
    • https://jonolepazom.weebly.com/uploads/1/3/4/5/134520471/77d4f8.pdfIn PDF document text
    • https://kexekogu.weebly.com/uploads/1/3/1/3/131384418/futotuduvajiximo.pdfIn PDF document text
    • https://fijogukovope.weebly.com/uploads/1/3/1/3/131379832/kawes.pdfIn PDF document text
    • https://pawiwojofidinof.weebly.com/uploads/1/3/4/4/134458390/fogimosabimoje.pdfIn PDF document text
    • https://nevuvipegigi.weebly.com/uploads/1/3/4/5/134589722/nuxil_gujesuke_tipuxonefage.pdfIn PDF document text
    • https://zageporipemaza.weebly.com/uploads/1/3/4/5/134507549/tororuladomizelu.pdfIn PDF document text
    • https://wekijoborumotis.weebly.com/uploads/1/3/4/4/134484899/7586656.pdfIn PDF document text
    • https://sazoxizifa.weebly.com/uploads/1/3/4/5/134505384/5762323.pdfIn PDF document text
    • https://juvirafiwak.weebly.com/uploads/1/3/4/3/134307718/dirudipozan_vasapegobukuzib_wewanigifu_bosizalusuvez.pdfIn PDF document text
    • https://wifamiwipefap.weebly.com/uploads/1/3/0/7/130738562/8009792.pdfIn PDF document text
    • https://degodowaserujes.weebly.com/uploads/1/3/4/4/134494515/balisikekomapukod.pdfIn PDF document text
    • https://nujokolove.weebly.com/uploads/1/3/0/8/130874035/f527d2383ac632.pdfIn PDF document text
    • https://wumupozokowep.weebly.com/uploads/1/3/5/3/135346219/dakewomemo_munefokovuruzes.pdfIn PDF document text
    • https://rivelipa.weebly.com/uploads/1/3/5/3/135349188/14a02c18.pdfIn PDF document text
    • https://zifidobu.weebly.com/uploads/1/3/4/3/134371145/28dbc79ac92.pdfIn PDF document text
    • https://batidokupofow.weebly.com/uploads/1/3/3/9/133999778/roveziximexulip_toveretemit.pdfIn PDF document text
    • https://bobiguwifuza.weebly.com/uploads/1/3/5/9/135966914/ca67d.pdfIn PDF document text
    • https://zokibiruxe.weebly.com/uploads/1/3/5/3/135326092/7529466.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fffa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFFA 10960 bytes
SHA-256: d39a34799a70e49790047d549920d7b8d3db008a85a97d5ec106c7da35df73d6
font_01_sfnt_off00011939.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11939 18296 bytes
SHA-256: 09bb29c3988d89b274b8209544d005f96bdce4fff371fdeadabb4358c4a19ec5
font_02_sfnt_off000148fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x148FA 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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