Malicious PDF — malware analysis report

Static analysis result for SHA-256 941e112ee4fc9bf1…

MALICIOUS

PDF

74.4 KB Created: 2021-09-17 02:47:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: f899bbfc19115ac0fb472ad0dca11508 SHA-1: 7dc34843f0f445b34ed2e2f158ed4f2dd5043a8c SHA-256: 941e112ee4fc9bf18010ad95b64ec2be621724160c3cf91a4bdfa6e7d4d40e45
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9976

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 https://infrive.ru/uplcv?utm_term=bloxburg+35k+house PDF link annotation
    • http://gangwonbnb.com/FileData/ckfinder/files/20210916_C60EBEF821DED64A.pdfIn PDF document text
    • http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/mesewo.pdfIn PDF document text
    • http://cf2sc.cn/userfiles/file/satarozepu.pdfIn PDF document text
    • http://soluzionebenessere.eu/userfiles/files/45246215027.pdfIn PDF document text
    • https://2ruoteexpo.it/ckfinder/userfiles/files/13268821745.pdfIn PDF document text
    • http://massimosusto.eu/userfiles/files/monola.pdfIn PDF document text
    • http://isleford.com/filespath/files/20210909045135.pdfIn PDF document text
    • https://rsvforum.com/userfiles/file/vavelaz.pdfIn PDF document text
    • https://trsoftyazilim.com/genelresimler/file/82700308349.pdfIn PDF document text
    • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd94dd1aba---13462860328.pdfIn PDF document text
    • https://proektasis.gr/admin/spaw2/uploads/files/7872096677.pdfIn PDF document text
    • http://sendedianqi.com/upload_fck/file/2021-9-7/20210907012724165497.pdfIn PDF document text
    • http://goodfortune.hk/UpLoadFile/file///petulerufugujilewar.pdfIn PDF document text
    • http://vladjurnalist.ru/archive/file/kumipisututemudaxu.pdfIn PDF document text
    • http://girc.ncue.edu.tw/ckfinder/ckfiles/files/71896102103.pdfIn PDF document text
    • http://tw-sincere.com/upfiles/editor/files/86364486472.pdfIn PDF document text
    • https://htapigroup3.com/contents/files/linawotinevosafofitaxurik.pdfIn PDF document text
    • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/d19c844277607bccf710f0f1b9004053/fesenufuvujenebarowalem.pdfIn PDF document text
    • http://gibisch.info/files/files/movijepexinal.pdfIn PDF document text
    • http://erainbowrealty.com/userfiles/file/90970241825.pdfIn PDF document text
    • https://kaimano.it/file/61731374044.pdfIn PDF document text
    • http://kangmeideyiliao.com/uploadfile/file///2021091614561557.pdfIn PDF document text
    • http://www.europesolidaire.eu/userfiles/files/wasutil.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_off0000b90f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB90F 10724 bytes
SHA-256: 1bfee0c81255cdacff7e1d96175ae818dd9424ca65b308fda8fc2555ab19ff9c
font_01_sfnt_off0000d1ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1EF 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000ea01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA01 19132 bytes
SHA-256: 9f32c68c50f9ea1545e7671c1f96650d2ad95024e1346283631d2286d9b201da

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