Malicious PDF — malware analysis report

Static analysis result for SHA-256 44567a8eb8b3e5ba…

MALICIOUS

PDF

74.2 KB Created: 2021-09-12 13:57:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-10
MD5: da4900ecfa115e3dfb0026be177e0fc8 SHA-1: 6f94f9eaa1e4cd0eaf8efd00aaedbf4c46a1e28d SHA-256: 44567a8eb8b3e5bad461518cdc1778beb176e225ae6374484d316a5bae38140d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9963

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://topup-fight.com/ckfinder/userfiles/files/46485507104.pdf In PDF document text
    • https://pointwebhost.com/calisma2/files/uploads/47675971939.pdfIn PDF document text
    • http://ms-beauty.com/ckfinder/userfiles/files/62403249689.pdfIn PDF document text
    • http://hoitruyengiaocodocvietnam.com/uploads/image/files/banisoxep.pdfIn PDF document text
    • https://kattliv.com/kattliv/admin/userfiles/file/37598041574.pdfIn PDF document text
    • https://digireg.cn/upload/2616075889.pdfIn PDF document text
    • http://huspanda.com/data/ckfinder/files/75193874215.pdfIn PDF document text
    • http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/negagotazaxojuzini.pdfIn PDF document text
    • https://tavcam.com/upload/ckfinder/files/68952733968.pdfIn PDF document text
    • http://ifaistos.reality.gr/~triantaf/images/file/vojavafapovavon.pdfIn PDF document text
    • http://4998horo.gmmwireless.com/contents/files/75342481841.pdfIn PDF document text
    • http://tandprotheses.com/ckfinder/userfiles/files/karezevotoxuxotuvuj.pdfIn PDF document text
    • https://whereestar.com/marinarubicon/admin/file/dilusekiratu.pdfIn PDF document text
    • http://yujinpharma.com/upload/files/danobepapew.pdfIn PDF document text
    • http://ekachaiguitarist.com/ckfinder/userfiles/files/31890470696.pdfIn PDF document text
    • https://habrit.tw/ckfinder/userfiles/files/zurajud.pdfIn PDF document text
    • http://igabana.com/upfolder/e/files/20210906234803.pdfIn PDF document text
    • http://tlxzkj.com/uploads/file/100555535522.pdfIn PDF document text
    • http://shepardinteriordesign.com/rw/upload/file/51211739880.pdfIn PDF document text
    • http://tonioloclaudio.it/userfiles/files/5686672150.pdfIn PDF document text
    • http://millionsdiscount.com/mo_images/files/45656538431.pdfIn PDF document text
    • http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/70287250258.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=dehoff+thermodynamics+solutions+pdfPDF 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 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_off0000bc86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC86 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d49d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD49D 11100 bytes
SHA-256: 355be19f00d15553f00bdd8f9698d24313a0bafcf71e2594203ec20c023e01bf
font_02_sfnt_off0000ee5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE5B 17292 bytes
SHA-256: 936b57a5f489c4b75331f7f0c48ec5ec041515db8ab93b4cc07d7bd0157b5bf6

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