Malicious PDF — malware analysis report

Static analysis result for SHA-256 19148f193b1d1689…

MALICIOUS

PDF

74.9 KB Created: 2021-09-24 03:00:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 2917f264598c422493fcfa2d2573dc99 SHA-1: 2ee2f3b7304141db88dd251772e27c6955d47697 SHA-256: 19148f193b1d1689763aad7f5f0b83344ed07d9499b8a2e5c6af011cc06c0676
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://allytemp.ru/uplcv?utm_term=root+android+apk+2021 PDF link annotation
    • http://ahxxzx.com/userfiles/202109/file/2907619499.pdfIn PDF document text
    • http://ilonew.tasksplan.com/ckfinder/userfiles/files/75779814316.pdfIn PDF document text
    • http://philipp-haberland.de/images/upload/file/suzoxanarepebove.pdfIn PDF document text
    • https://cleanenergy.mn/uploads/files/rugifus.pdfIn PDF document text
    • https://niceppl.com/images/file/jibupirezusuvezixixi.pdfIn PDF document text
    • http://pasaru.com/upload/files/60730742984.pdfIn PDF document text
    • https://bloc-immo.com/images/wegumodav.pdfIn PDF document text
    • http://sahrugs.com/userfiles/file/68208856220.pdfIn PDF document text
    • http://hyundaidongdo3s.com/images/files/69565428356.pdfIn PDF document text
    • https://retake.dk/ckfinder/userfiles/files/49055690202.pdfIn PDF document text
    • https://alpinashop.bg/files/busosisovigem.pdfIn PDF document text
    • http://iwayman.com/uploadfiles/file/210914011635579395ynuybu.pdfIn PDF document text
    • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16144f52da0768---88327376954.pdfIn PDF document text
    • https://www.truck-transport.com/ckfinder/userfiles/files/tupitekabodejiwijuk.pdfIn PDF document text
    • http://alumcity.ru/userfiles/file/lomevefo.pdfIn PDF document text
    • http://drapa-technika.cz/UserFiles/File/zanajemipizisipexemoto.pdfIn PDF document text
    • https://sanagustin.cl/files/tekokadugulexuwonid.pdfIn PDF document text
    • http://anm-av.de/uploads/files/ximotojikixazoveda.pdfIn PDF document text
    • https://partroyfuneralhome.com/partroy/assets/file/18878469069.pdfIn PDF document text
    • http://yuilchem.com/userData/board/file/kigikigaj.pdfIn PDF document text
    • http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jalatodazijelafivariga.pdfIn PDF document text
    • https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/55023740806.pdfIn PDF document text
    • http://biosafety.biz/ckfinder/userfiles/files/dejasivar.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_off0000c202.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC202 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000da19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA19 10468 bytes
SHA-256: 0c3c7fcbb49805ebf0fe4634f79ac27e157cd0506359415b93fef445842ac1fd
font_02_sfnt_off0000f207.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF207 16952 bytes
SHA-256: 2575d69bc9a0176dde8ee18bbe1645f7c34d5f52dd25f88a4aebc6d4ca57ff99

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