Malicious PDF — malware analysis report

Static analysis result for SHA-256 98f835a90b7b9192…

MALICIOUS

PDF

76.2 KB Created: 2022-04-12 19:53:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-08
MD5: da0355c53d4ae0b9cbae2f73db3ed54a SHA-1: 0a4ae860d68572f60a61637179acc43c2981a24e SHA-256: 98f835a90b7b91924fcacc6bbbc99cc2e06ce68bbbea56e11a56a13a5e49bbe0
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • 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 http://akgwealthplanner.com/crm/files/waxamariledu.pdf In PDF document text
    • http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/maserilasaxaxeladotixike.pdfIn PDF document text
    • http://kgpms.org/kcfinder/upload/files/39546305142.pdfIn PDF document text
    • https://wejatinolu.weebly.com/uploads/1/3/1/4/131438249/sivifeluzes.pdfIn PDF document text
    • http://iwakuniyumiya.com/js/kcfinder/upload/files/tukexirarotutarile.pdfIn PDF document text
    • http://zeamailer.zeapost.com/FCKeditor/editor/filemanager/connectors/userfiles/file/12859604647.pdfIn PDF document text
    • https://zagladaold.holocaustresearch.pl/nowy/photo/file/kitabifijim.pdfIn PDF document text
    • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/e2fddc431389796019408430f63b6b3c/kidexamodulovugagetuzik.pdfIn PDF document text
    • https://yauspeshen.com/ckfinder/userfiles/files/67257779857.pdfIn PDF document text
    • https://xufizigox.weebly.com/uploads/1/3/4/4/134479456/ronuvolatibibit.pdfIn PDF document text
    • http://xn--d1annh.xn--p1ai/files/file/38973990314.pdfIn PDF document text
    • https://vinunawamezod.weebly.com/uploads/1/3/1/3/131380031/2395826.pdfIn PDF document text
    • http://fitnessklub-impuls.pl/uploads/assets/file/nigedosanadenag.pdfIn PDF document text
    • https://jerupixudenaxi.weebly.com/uploads/1/3/1/4/131437293/fifuz.pdfIn PDF document text
    • https://wafugavewe.weebly.com/uploads/1/3/4/3/134369352/9043193.pdfIn PDF document text
    • https://namulore.weebly.com/uploads/1/3/4/0/134017746/tisisufamup_poputit.pdfIn PDF document text
    • http://noithatvietsky.net/media/ftp/file/3568314194.pdfIn PDF document text
    • https://sivenusa.weebly.com/uploads/1/3/1/1/131164431/rixaw-jazuzikaxepujak-bovuna-fagof.pdfIn PDF document text
    • https://rhkapadia.org/Admin/plugins/kcfinder/upload/files/5101594382.pdfIn PDF document text
    • https://norin.co.za/YmrXLWy8?keyword=what%20is%20the%20bolt%20pattern%20for%20a%201999%20jeep%20cherokeePDF link annotation
    • 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_off0000c0c6.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c0c6.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c0c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC0C6 17344 bytes
SHA-256: e9e7ef9dc106ba42291e300747e3f86df78256dcbcf1f3143c434466942c3a9d
font_01_sfnt_off0000ee18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE18 11152 bytes
SHA-256: 9fc89eade69d0c4a87b24f621d0fb28a22712560a98b0b7392137f2281caca49
font_02_sfnt_off000107f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107F2 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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