Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e37664fd6f940d1…

MALICIOUS

PDF

388.9 KB Created: 2022-04-02 00:22:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: a6bcdade4f0a0def98f0f385c859ac48 SHA-1: deae54feef3d4c45ba73cdc2ffc0acbc6a1c8b72 SHA-256: 4e37664fd6f940d1ef236b1f43ecab7277080b47a298fa2b2f946cdbdb13dd95
106 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4951

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://yubit.co.za/XSRYdR1H?utm_term=athlean+x+workout PDF link annotation
    • https://kazajiti.weebly.com/uploads/1/3/4/4/134456981/2570481.pdfIn PDF document text
    • https://joketivuwotida.weebly.com/uploads/1/3/1/4/131454049/bc9df070a.pdfIn PDF document text
    • https://vobilafulov.weebly.com/uploads/1/3/4/9/134902573/3ddd00922.pdfIn PDF document text
    • https://dojeviwenos.weebly.com/uploads/1/3/4/4/134491393/tuxod_ximosotawugine.pdfIn PDF document text
    • https://xusisuzonetov.weebly.com/uploads/1/3/1/4/131456320/983092.pdfIn PDF document text
    • https://rigopodi.weebly.com/uploads/1/3/4/3/134307943/linaputiwaxifap.pdfIn PDF document text
    • https://lesezisuwo.weebly.com/uploads/1/3/4/1/134109364/tefanavowazu-nonadubulerokif-dazafogetal-julut.pdfIn PDF document text
    • https://juzasofudabin.weebly.com/uploads/1/3/0/7/130775050/sutudusavux.pdfIn PDF document text
    • https://gedodigu.weebly.com/uploads/1/3/5/3/135312539/pulexejigolako.pdfIn PDF document text
    • https://jikeberu.weebly.com/uploads/1/3/1/8/131857846/4933122.pdfIn PDF document text
    • https://megopupe.weebly.com/uploads/1/3/1/1/131163834/1a5c8fbee3.pdfIn PDF document text
    • https://suzexefovewav.weebly.com/uploads/1/3/4/6/134640410/4840736c.pdfIn PDF document text
    • https://vepoxiwoja.weebly.com/uploads/1/3/1/1/131164136/falolibafibapo.pdfIn PDF document text
    • https://fulinufifirop.weebly.com/uploads/1/3/4/6/134656376/8313701.pdfIn PDF document text
    • https://niresofitize.weebly.com/uploads/1/3/4/5/134576450/miduxigezo.pdfIn PDF document text
    • https://botoriki.weebly.com/uploads/1/3/2/6/132682976/podikoxo.pdfIn PDF document text
    • https://suzexefovewav.weebly.com/uploads/1/3/4/6/134640410/bolezinofalu_pasez_dapukoxize.pdfIn PDF document text
    • https://dobekaveliwe.weebly.com/uploads/1/3/4/5/134599348/xupeluze-divapobolono-vopukodajif-midebigusitiraj.pdfIn PDF document text
    • https://sizegetode.weebly.com/uploads/1/3/4/3/134309939/rikotadunegewonunov.pdfIn PDF document text
    • https://neriguzoxivefu.weebly.com/uploads/1/3/5/3/135319498/7184615.pdfIn PDF document text
    • https://majabowuji.weebly.com/uploads/1/3/6/0/136092793/5a42f265253f.pdfIn PDF document text
    • https://kawowubizi.weebly.com/uploads/1/3/4/8/134864460/95adda52a.pdfIn PDF document text
    • https://ranepudanaliv.weebly.com/uploads/1/3/4/0/134000181/pijemif_dodojademi_lujewe.pdfIn PDF document text
    • https://nigovazimosa.weebly.com/uploads/1/3/4/6/134636686/4e5e108.pdfIn PDF document text
    • http://555banket.ru/kcfinder/upload/files/porudoporebeg.pdfIn PDF document text
    • https://bajozofexowabir.weebly.com/uploads/1/3/1/3/131398176/jaxuwegotonezug-ralovevixibe-sutamebabogu.pdfIn PDF document text
    • https://pagudibaxite.weebly.com/uploads/1/3/1/4/131410234/logexurikotaka.pdfIn PDF document text
    • http://ji-tien.com/userfiles/file/pakufuvavoraxarap.pdfIn PDF document text
    • http://thepducphat.com/upload/files/11923965264.pdfIn PDF document text
    • https://wawotuxela.weebly.com/uploads/1/3/4/3/134352856/7c51d0a39ad.pdfIn PDF document text
    • https://onecre.com/images/content/files/mumepibo.pdfIn PDF document text
    • https://vimudizod.weebly.com/uploads/1/3/4/6/134632239/pafopujefamezivos.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058f88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58F88 10304 bytes
SHA-256: 9128f308d292333d976cf1f42dea171942c2a6b422bf9090f316f09a2c775614
font_01_sfnt_off0005a6d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A6D1 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0005bee2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BEE2 16336 bytes
SHA-256: adf38969d40f501586e0caf93d33991e243baeeecfe575c4831cdbf64b7044fa
font_03_sfnt_off0005d4e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D4E2 17844 bytes
SHA-256: 0260e1c1510035c5cfca33a7e3b9b1643388a730efded237d95b9c51ed483a96

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