Malicious PDF — malware analysis report

Static analysis result for SHA-256 6df0a08d9aa103cb…

MALICIOUS

PDF

305.2 KB Created: 2022-03-20 03:51:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-18
MD5: 4a5fc00b971ad847f666a600958b7ec0 SHA-1: 344443e242b854d916e16675821370101994f4eb SHA-256: 6df0a08d9aa103cbbfc3cf4ef1dc2b16e7eb31c1425352630be01a39af2fbf9e
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7582

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 http://akcompany.vn/uploads/userfiles/file/63141799539.pdf In PDF document text
    • http://compufoxmail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/mexuxogerijudivumali.pdfIn PDF document text
    • https://studio-mano.com/userfiles/file/nivevepozurovipumaxur.pdfIn PDF document text
    • https://balaji-technology.com/userfiles/file/xobenasasobebebitumikota.pdfIn PDF document text
    • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1622be16cbb18a---68649885408.pdfIn PDF document text
    • http://www.rztria.ru/kcfinder/upload/files/likopegepumudojepenudi.pdfIn PDF document text
    • http://zzfcw.com/file/fkimg/file/gilaluvulo.pdfIn PDF document text
    • https://szerokiewody.pl/files/files/86570577078.pdfIn PDF document text
    • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/162122c17aa016---masetagim.pdfIn PDF document text
    • https://en.unecol.com/uploads/kcfinder/upload/files/tikenogudaximasege.pdfIn PDF document text
    • https://akvaguru.hu/user/file/28698317197.pdfIn PDF document text
    • http://produkty.promiennik.pl/resources/files/dimisijuruvi.pdfIn PDF document text
    • https://stl-log.com/htdocs/cljr/data/files/besujiretimenumoxije.pdfIn PDF document text
    • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/6c678b3253ce731da2d5e38dffbd2fe6/zupozekakavibexexorubob.pdfIn PDF document text
    • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16214430b6c3cf---lizod.pdfIn PDF document text
    • https://www.yildiztto.com/kcfinder/upload/files/21597991502.pdfIn PDF document text
    • https://bwgroup.mn/admin/ckeditor/kcfinder/SUupload/files/goregiruwubapitozu.pdfIn PDF document text
    • http://elcastillotucentrotextil.com/imagenes/contenido/files/73800554613.pdfIn PDF document text
    • https://vikta-fish.ru/upload/files/zajakofulewe.pdfIn PDF document text
    • http://metisentry.net/ckfinder/userfiles/files/29675314906.pdfIn PDF document text
    • http://www.amoroso-ongakuin.com/upload/files/82956803059.pdfIn PDF document text
    • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/rapifevezono.pdfIn PDF document text
    • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/gst2779vb0f3icr5rc0g9sm5d3/32386876747.pdfIn PDF document text
    • http://originalavto.ru/userfiles/file/69946357551.pdfIn PDF document text
    • https://megatekspb.ru/sites/default/files/uploads/temaguzalowujotawerafupus.pdfIn PDF document text
    • http://evaemlak.com/userfiles/file///64158963720.pdfIn PDF document text
    • http://96rangjai.com/userfiles/file/49992473176.pdfIn PDF document text
    • http://privatmajo.sk/upload/files/29722821191.pdfIn PDF document text
    • http://trip-sale.ru/userfiles/file/pejugejekiganifebe.pdfIn PDF document text
    • http://apart1day.ru/file/levidoredajetobubo.pdfIn PDF document text
    • http://tsg-edinstvo.ru/userfiles/file/tezebukivegapevorifufedo.pdfIn PDF document text
    • https://www.nasasquirrel.org/kcfinder/upload/files/felogevusomorupamo.pdfIn PDF document text
    • http://ainut.fi/userfiles/file/wapol.pdfIn PDF document text
    • https://tevav.co.za/XSRYdR1H?utm_term=lightroom+cc+premium+appPDF link annotation
    • http://irodori.kir.jp/files/file/balenoxagitukutatisisomuw.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_off00045500.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00045500.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00045500.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45500 10560 bytes
SHA-256: 6eadca4872098913f2e99adfc166c84671fe04c00b40a37fef0c2865135e8eba
font_01_sfnt_off00046d1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46D1D 18580 bytes
SHA-256: 5352410d3cc80f854b15f8eee7e944d030efda438262078a86099e194911729e
font_02_sfnt_off00049e1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49E1C 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9