Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dcf39f81f075afc…

MALICIOUS

PDF

83.8 KB Created: 2021-09-11 15:31:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-30
MD5: c92cd723c89e6b6664759038703ddba5 SHA-1: 3b4013465c78603dc95002e019714173f43df0b8 SHA-256: 1dcf39f81f075afc6f933ea65607c98e6797c2f77620a420a91952e3a6cbad38
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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://czminghe.com/upload/files/watumeretadore.pdf In PDF document text
    • http://mxm-hosting.nl/img/editor/file/fodebawinipoleje.pdfIn PDF document text
    • https://christianklein.eu/Quansis/ckfinder/userfiles/files/gejipudivavi.pdfIn PDF document text
    • http://mansiya.com/uploadfile/files/37761947613.pdfIn PDF document text
    • http://agriturismocorteerbatici.it/userfiles/files/37753957218.pdfIn PDF document text
    • https://sdudyogtechnologies.in/ckfinder/userfiles/files/gorujetuzixepomob.pdfIn PDF document text
    • http://nhatrangpalacehotel.com/app/webroot/upload/files/80192857716.pdfIn PDF document text
    • http://stonepigments.com/userfiles/file/72394239801.pdfIn PDF document text
    • https://ltes2.tw-goods.com/UserFiles/files/towaladagoxotepajolug.pdfIn PDF document text
    • https://bunianco.com/other_files/File/ripokofivo.pdfIn PDF document text
    • http://balaton.varosom.hu/userfiles/files/winubajebesusasutavekaz.pdfIn PDF document text
    • https://probidjp.com/ckfinder/userfiles/files/20210911_095342.pdfIn PDF document text
    • https://virker-ikke.dk/files/kijenu.pdfIn PDF document text
    • https://phm.vn/upload/files/ruxuzubibexolibi.pdfIn PDF document text
    • https://bodymart.in/ckfinder/userfiles/files/22941637107.pdfIn PDF document text
    • http://e-junghan.com/userData/board/file/dejifabarosa.pdfIn PDF document text
    • http://altronic.pl/!mag2011/userfiles/file/pitakuzisezowi.pdfIn PDF document text
    • https://majubesar.net/contents/files/20982261766.pdfIn PDF document text
    • http://sotel-perm.ru/site/file/94643302027.pdfIn PDF document text
    • http://lionsmarsala.it/userfiles/files/sibemisikulivu.pdfIn PDF document text
    • https://socardan.com/userfiles/files/wedimaxurajolesobedibav.pdfIn PDF document text
    • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1613266001e228---15341370536.pdfIn PDF document text
    • http://www.injamal.es/nueva/ckfinder/userfiles/files/nobep.pdfIn PDF document text
    • http://shamayachts.com/upload/file/xutoxoluzinobuwuzifuf.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=bubbles+cannon+mod+apkPDF 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000db8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB8F 20376 bytes
SHA-256: 9de2a8cd4b90e0c530fc70645d83922812afa19f4601aac10660bd846ade817c
font_01_sfnt_off00011113.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11113 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001292a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1292A 10772 bytes
SHA-256: d5f1048528b52c12722e64a52cf027e78f0e73e85bc4ee4bce7d211ac0816e5e

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