Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb86c2cd83b71aee…

MALICIOUS

PDF

267.9 KB Created: 2022-03-07 08:20:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-08
MD5: 47e2b9161044834c40b53c8e0bc24621 SHA-1: 7a0c1306b4af8154b5d0533be67b466ee1155e61 SHA-256: cb86c2cd83b71aeef4ade95d5913dea6f2b1e3e3772c75250e878f7df4e09305
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7170

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
  • 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.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. 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://mifuj.co.za/XSRYdR1H?utm_term=australian+super+fund+performance+2019 PDF link annotation
    • http://lotyzapoznawcze.pl/cms/files/puketabemelejer.pdfIn PDF document text
    • https://confidence-ist.mktechsol.com/ckfinder/userfiles/files/kumivopafar.pdfIn PDF document text
    • https://ph2020.org/ckfinder/userfiles/files/27784787948.pdfIn PDF document text
    • http://kagoshimakojintaxi.com/userfiles/file/monepivulijixi.pdfIn PDF document text
    • https://alamansyria.com/userfiles/file/59448029285.pdfIn PDF document text
    • http://riverla.vn/uploads/userfiles/file/jetanuxen.pdfIn PDF document text
    • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/3bf86757df1cd7404e47483b38ae2983/1606548421.pdfIn PDF document text
    • http://bycongroup.com/UserFiles/file/12751016.pdfIn PDF document text
    • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16220a40605748---22283269040.pdfIn PDF document text
    • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/162140a5becb82---62051594777.pdfIn PDF document text
    • https://loyq.ru/admin/upload/photos/library/files/sawosajikojavanotoni_1643831654.pdfIn PDF document text
    • https://truongthanhco.vn/webroot/img/files/tuzowo.pdfIn PDF document text
    • https://toshibacozum.com/panel/kcfinder/upload/files/59860122361.pdfIn PDF document text
    • http://nawaress.com/webroot/js/ckfinder/userfiles/files/worugije.pdfIn PDF document text
    • http://halanmilk.com/upload/files/48217738694.pdfIn PDF document text
    • https://pernambucoimortal.com/imagens/files/sogudorabebogex.pdfIn PDF document text
    • https://termofriz.rs/files/684981628.pdfIn PDF document text
    • http://zssadkowice.pl/pliki/96655171892.pdfIn PDF document text
    • https://movimientofamiliadejesus.com/images/uploaded/file/26547276388.pdfIn PDF document text
    • https://samsungvrvklima.com/upload/ckfinder/files/rokovejilawujomavulabinok.pdfIn PDF document text
    • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16205494327f2c---sasemofeboxupubalof.pdfIn PDF document text
    • http://kama-msm.ru/storages/file/73637336328.pdfIn PDF document text
    • http://erainbowrealty.com/userfiles/file/83539133560.pdfIn PDF document text
    • http://xn--b1afbmo0alc.xn--p1ai/ckfinder/userfiles/files/25558821069.pdfIn PDF document text
    • http://www.veedik.com/assets/admin/kcfinder/upload/files/lerukef.pdfIn PDF document text
    • http://giovanninociti.com/userfiles/files/96300038800.pdfIn PDF document text
    • http://upoart.com/ckfinder/userfiles/files/45623721011.pdfIn PDF document text
    • http://balcimimarlik.com/resimler/files/fitufarakerilepej.pdfIn PDF document text
    • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/161f897a711f22---gukagud.pdfIn PDF document text
    • http://pure-chiral.com/upload/files/delatakirapu.pdfIn PDF document text
    • https://literie-depot.fr/UserFiles/file/5521868960.pdfIn PDF document text
    • https://almoheetmanpower.com/public_html/userfiles/file/sojidawomuvejotuboxamogez.pdfIn PDF document text
    • http://mastrodibaglio.it/userfiles/files/99903451192.pdfIn PDF document text
    • http://sashtraayurveda.com/ckfinder/userfiles/files/85130627799.pdfIn PDF document text
    • http://kochamsushi.pl/UserFiles/file/74866225645.pdfIn PDF document text
    • http://brkvinc.com/userfiles/file/61640226121.pdfIn PDF document text
    • http://sherry-japan.com/uploads/files/64389002182.pdfIn PDF document text
    • http://clinicaveterinariabilancino.it/userfiles/files/51565296081.pdfIn PDF document text
    • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/162076ea147d37---59764152024.pdfIn PDF document text
    • http://kmconlinecme.com/userfiles/file/mezevukokiwoxe.pdfIn PDF document text
    • http://seosanhrd.com/userfiles/file/wufamevijidilefozuxukoro.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 extracted file (font_00_sfnt_off0003b9c2.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0003b9c2.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003b9c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3B9C2 11324 bytes
SHA-256: 73aed07bdee008b22948b529d08488ed859850bc5e17959bfce8687193358233
font_01_sfnt_off0003d47d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3D47D 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0003eb98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3EB98 19760 bytes
SHA-256: 36ee33dd872bfcf331140dc56d8a8062562940ddabfbef7c1ce13a1ab88372ac