Malicious PDF — malware analysis report

Static analysis result for SHA-256 01885b45c48795f8…

MALICIOUS

PDF

118.0 KB Created: 2022-04-08 14:34:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-07
MD5: ae9ef8097a085fd2e701f694bc1e394f SHA-1: 414a395548fb00f83ba62acb4c22b14a25cfd221 SHA-256: 01885b45c48795f8123a4dbd6269bb8a1a5c822bece9223707c8c7f11b235878
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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
  • 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 http://dermalab.pl/userfiles/file/54852625775.pdf In PDF document text
    • http://yucehukuk.com/resimler/files/58777591214.pdfIn PDF document text
    • http://parmalab.it/userfiles/files/61264114229.pdfIn PDF document text
    • https://roviburetusuz.weebly.com/uploads/1/4/1/3/141305216/povotutikuzo_febawoxukawox.pdfIn PDF document text
    • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1624273160b4b2---kekonobufisawexibunatobet.pdfIn PDF document text
    • https://www.vyrobadps.eu/admin/kcfinder/upload/files/piniguramibotumelojegabes.pdfIn PDF document text
    • https://exam12.menapoint.com/app/webroot/upload/files/sadepo.pdfIn PDF document text
    • http://ssmsuits.com/kcfinder/upload/files/bugonedukolosovewox.pdfIn PDF document text
    • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fc82a95d492---61249842735.pdfIn PDF document text
    • https://vidaleve.ind.br/ckfinder/userfiles/files/govamefaponapomixirifid.pdfIn PDF document text
    • http://iharoskezmuvesek.hu/ckeditor/kcfinder/upload/files/lajizonuxasedoluwivenerif.pdfIn PDF document text
    • http://leviedelsignore.it/gallery/files/15752782262.pdfIn PDF document text
    • https://jixeneneme.weebly.com/uploads/1/3/4/0/134096386/89388fc7100.pdfIn PDF document text
    • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16232239daf1b6---15415846859.pdfIn PDF document text
    • https://mukoxajajow.weebly.com/uploads/1/3/4/7/134719184/rukaredexeruge.pdfIn PDF document text
    • https://napraforgohotel.hu/upload/file/dadovegopajivazatel.pdfIn PDF document text
    • https://giwunoxesej.weebly.com/uploads/1/3/1/4/131408529/4817742.pdfIn PDF document text
    • https://saditifoba.weebly.com/uploads/1/3/5/3/135325123/3966690.pdfIn PDF document text
    • http://bagiez.com/userfiles/file/77576001389.pdfIn PDF document text
    • http://z-him.ru/userfiles/file/71258368926.pdfIn PDF document text
    • https://dongciao.com/uploads/files/202202281510137069.pdfIn PDF document text
    • https://fudiditinip.weebly.com/uploads/1/3/1/4/131453724/81136.pdfIn PDF document text
    • https://mifuj.co.za/YmrXLWy8?keyword=crank%20ellen%20hopkins%20pdf%20free%20downloadPDF 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 (stream_007_off0001a01b.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_007_off0001a01b.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_007_off0001a01b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1A01B 23688 bytes
SHA-256: d2a9182ec0596f02e8f26535a2bf76e157de1b432907a03fdecfdc558e4c8be4
font_00_sfnt_off00014185.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14185 17840 bytes
SHA-256: 83fce4966da74b26bdf9b11cae35f1c14e41a7d7ac77f40367b9f4c843b445a6
font_01_sfnt_off00016f87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16F87 10704 bytes
SHA-256: 80772f6566ac287b05a79227953952544884878bf7508b405b2c2cb73fee96a4
font_02_sfnt_off0001880a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1880A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1