Malicious PDF — malware analysis report

Static analysis result for SHA-256 f99b1896785e15c8…

MALICIOUS

PDF

82.0 KB Created: 2022-04-22 22:40:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 89f85f70d7d50ef85bb443418725165f SHA-1: c6cb202eb3abe0be8a4f149934d91642cac54611 SHA-256: f99b1896785e15c82ba5f79c3c4e6d4d758c1609a9ef91ad41d93d604d60c01b
256 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9937

Heuristics 8

  • 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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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.
  • 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://tevav.co.za/YmrXLWy8?keyword=how%20to%20pair%20bluetooth%20on%20jvc%20car%20stereo PDF link annotation
    • https://www.osazovanidps.eu/admin/kcfinder/upload/files/8202386921.pdfIn PDF document text
    • https://pikerujaginelu.weebly.com/uploads/1/4/1/4/141401808/5477369.pdfIn PDF document text
    • https://bixarina.weebly.com/uploads/1/3/1/0/131069915/dasatalavo_safusep_kupisawudalumug_xegalugijon.pdfIn PDF document text
    • https://vebaduxop.weebly.com/uploads/1/3/5/3/135327545/7b282ebfde.pdfIn PDF document text
    • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620dc4fed47b7---48019944024.pdfIn PDF document text
    • https://akvaguru.hu/user/file/kexapapowaja.pdfIn PDF document text
    • https://pt2-turbo-j3t.com/contents/files/11274133357.pdfIn PDF document text
    • https://sitixibabu.weebly.com/uploads/1/3/4/7/134749551/1800085.pdfIn PDF document text
    • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161f99a45e794c---63555381369.pdfIn PDF document text
    • https://ziwaxunixotuge.weebly.com/uploads/1/4/1/2/141258425/5327362.pdfIn PDF document text
    • http://aybar-gallery.com/userfiles/files/27334489212.pdfIn PDF document text
    • http://bdsductri.com/upload/files/76119600003.pdfIn PDF document text
    • https://durosokikiw.weebly.com/uploads/1/3/1/3/131379956/nuxafukuzijiz_jevasikolivuvo.pdfIn PDF document text
    • http://avvocato-callegaro.it/public/file/nifenovozonerirurepegeda.pdfIn PDF document text
    • https://welabelodaset.weebly.com/uploads/1/3/5/3/135399274/13a278108c6.pdfIn PDF document text
    • https://mumimobubaw.weebly.com/uploads/1/3/4/6/134640569/tepipetewefitixaxek.pdfIn PDF document text
    • https://kitawusew.weebly.com/uploads/1/3/4/2/134234725/2975636.pdfIn PDF document text
    • https://puzerufatuv.weebly.com/uploads/1/3/1/1/131163838/e094519a7a.pdfIn PDF document text
    • http://www.plavanikojencupraha.cz/upload/files/66359736507.pdfIn PDF document text
    • https://jazemajotejavux.weebly.com/uploads/1/3/2/6/132681398/kupawonomizoged_mizafar.pdfIn PDF document text
    • https://roletevuroza.weebly.com/uploads/1/3/4/3/134314330/febiv-wojesudamaf.pdfIn PDF document text
    • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1621e53c958822---ruwerofuwizijudak.pdfIn PDF document text
    • http://marvdashtonline.ir/userfiles2/file/zimotilofevemunexeso.pdfIn PDF document text
    • https://sowofodifidem.weebly.com/uploads/1/3/1/8/131856479/gupiborumenixi-wapupom-favujimemamati.pdfIn PDF document text
    • http://hotelbellevuepalermo.com/userfiles/files/tofixojelufi.pdfIn PDF document text
    • https://isped.cz/kcfinder/upload/files/56519023539.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_off0000da98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA98 10984 bytes
SHA-256: 1fb5e156f8d2b750a339e09d2fdf0f342a5ab07940ffa85c4861b217c5c9454a
font_01_sfnt_off0000f3cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3CD 17396 bytes
SHA-256: 58e21d576804231035dd9b22aa23cb0cf0c6b4da8441343a6887498dbce0d835
font_02_sfnt_off00012129.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12129 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1