Malicious PDF — malware analysis report

Static analysis result for SHA-256 05284fe249553df5…

MALICIOUS

PDF

85.2 KB Created: 2021-09-17 23:10:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-26
MD5: 1e797a81dd271721c1b2d9dfebdcbdc2 SHA-1: 658da0f649aee14e0553a96f5f72a9d462d3cc66 SHA-256: 05284fe249553df57e6f1ae63faf5cfe5087982ae5a08028dff4f2d3d707ff95
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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
  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://krisoc.ru/uplcv?utm_term=ishaqzaade+full+movie+download+sabwap+com PDF link annotation
    • http://doggystylzgrooming.com/admin/photos/file/mixowepolepopafufoge.pdfIn PDF document text
    • http://vititanon.com/user_img/files/pugutegoxanoronedibinama.pdfIn PDF document text
    • https://vidaleve.net/ckfinder/userfiles/files/73398031388.pdfIn PDF document text
    • http://irinabailey.com/upload/files/sigaximosiralozedapi.pdfIn PDF document text
    • http://methese.com/upload/files/42899636649.pdfIn PDF document text
    • http://benly-carson.com/product/files/25152961442.pdfIn PDF document text
    • http://miryangpension.com/FileData/ckfinder/files/20210906_827E56C91F58189F.pdfIn PDF document text
    • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0f88dcc81dafacf13c155821f516120c/fetepuvimuzowerokigaw.pdfIn PDF document text
    • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16140d1e5c07d5---92142421728.pdfIn PDF document text
    • http://pappteam.hu/userfiles/file/68440658555.pdfIn PDF document text
    • http://mtegl.wsystem.sk/userfiles/files/zuzawuzuritumit.pdfIn PDF document text
    • https://ubk-sad.de/azubi/userfiles/files/37560757687.pdfIn PDF document text
    • http://sonhanint.com/uploadpic/sun/files/202109050628217863.pdfIn PDF document text
    • https://astoraccessories.com/uploads/ckfinder/files/jusuraj.pdfIn PDF document text
    • https://diphong.com/uploads/bipuzijixozamadetotutem.pdfIn PDF document text
    • http://elitvorota.ru/f/file/tuvuxupumomi.pdfIn PDF document text
    • https://bandotrading.com/uploads/file/bizimasumozozanojedu.pdfIn PDF document text
    • http://litho-and-co.fr/ckeditor/upload/files/94113404609.pdfIn PDF document text
    • http://gyermekhaz.hu/Content/site_images/files/37500237466.pdfIn PDF document text
    • http://brilsports.ro/userfiles/file///81583560037.pdfIn PDF document text
    • http://multi-accueil.fr/ressource/site-image/files/22010543986.pdfIn PDF document text
    • http://elitsatodorova.com/uploadfiles/file/18485493506.pdfIn PDF document text
    • http://bibliotekaludwin.pl/img/upload/files/jefazalodaberogelok.pdfIn PDF document text
    • https://didaktika.drmix.cz/uploads/files/25686002068.pdfIn PDF document text
    • http://cuatro-pr.org/sites/default/files/file/tazojujamegumofudib.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_off0000e818.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE818 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001002a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1002A 17256 bytes
SHA-256: 7edd18aa589f8170a6ea05d14e687ad2088b9f3162f833e817deb5c0bce6cb22
font_02_sfnt_off00012ced.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12CED 11236 bytes
SHA-256: 94297e146b09d0d4888f87f4aef18aea2d3e0f6632f1a02b6532c59ffeedea68

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