Malicious PDF — malware analysis report

Static analysis result for SHA-256 445233801f9e4612…

MALICIOUS

PDF

75.0 KB Created: 2022-04-11 10:40:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-11
MD5: bf166c4e4959ec0f74bf1784f75b93df SHA-1: d0fc264a8e17f88e0d3db40fa91179481346125c SHA-256: 445233801f9e4612b4597cfef5ddca781fb6f7c8d8e57ea3289540b39b2776e3
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://wirut.co.za/YmrXLWy8?keyword=can%20a%20us%20doctor%20work%20in%20germany PDF link annotation
    • https://kuxobemif.weebly.com/uploads/1/3/1/3/131379353/6187213.pdfIn PDF document text
    • https://sagisumofag.weebly.com/uploads/1/3/4/8/134882066/6e214.pdfIn PDF document text
    • https://gesegalug.weebly.com/uploads/1/3/3/9/133999779/ab0d2da0.pdfIn PDF document text
    • https://saxukenewu.weebly.com/uploads/1/3/4/6/134649668/fazumugavem.pdfIn PDF document text
    • https://durapibino.weebly.com/uploads/1/4/1/2/141259458/9998f5875306.pdfIn PDF document text
    • http://www.jindatunnel.com/up_files/file/97398258492.pdfIn PDF document text
    • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1623bb2e87cc25---76149776876.pdfIn PDF document text
    • http://teraval.cz/res/file/maramepokifexevugufe.pdfIn PDF document text
    • https://vokugovu.weebly.com/uploads/1/3/4/5/134598923/d119210aa724f76.pdfIn PDF document text
    • http://kulukaubandus.ee/files/filemanager/files/69194969499.pdfIn PDF document text
    • http://tainanrup.longi.tw/uploadfiles/files/20220218_082225_3376.pdfIn PDF document text
    • https://tebobasuzojipol.weebly.com/uploads/1/3/1/4/131407082/pukaditosov.pdfIn PDF document text
    • https://bopetibalat.weebly.com/uploads/1/3/4/8/134891962/debabalaviti_lifuw_vutagofi.pdfIn PDF document text
    • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/7eaa06ffdg5l07rj3ijarg9040/rikiz.pdfIn PDF document text
    • https://vexakoloninabi.weebly.com/uploads/1/3/4/8/134851928/b5f852.pdfIn PDF document text
    • http://cherryontop.pl/upload/fotki/file/48435022713.pdfIn PDF document text
    • https://jutarufuro.weebly.com/uploads/1/3/0/7/130775772/kinosi_namudot_gegagipa.pdfIn PDF document text
    • http://www.pnl.ac.id/asset/kcfinder/upload/files/mowalawedavulavope.pdfIn PDF document text
    • https://altinone.cz/files/ckfiles/file/44059718598.pdfIn PDF document text
    • https://bilugiwunifi.weebly.com/uploads/1/3/1/4/131408415/43e9de07.pdfIn PDF document text
    • https://wesifepanegu.weebly.com/uploads/1/3/4/3/134337407/120e7.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_off0000bf30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF30 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d747.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD747 11088 bytes
SHA-256: 4ff392b12028ff6ea5f5e2964b984107d44730cded9680d4ae1a19fd9711c3e4
font_02_sfnt_off0000f109.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF109 17196 bytes
SHA-256: 8e5a9d00723c164cb9744c5c75c69ffbb76c36012e90049c8126ca9404163318

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