Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dc0d8910197902c…

MALICIOUS

PDF

188.4 KB Created: 2022-01-16 08:44:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-30
MD5: 03430e26b142ead67afb552ca5c11158 SHA-1: 7b0030ab05f973a284ac48804e75853b8d1b3d2e SHA-256: 1dc0d8910197902c1c8a33e448b0cde1e9bd09a5bb9c8e0d8b5b12bf32438681
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9394

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 https://drafthe.ru/uplcv?utm_term=sheetblok+sound+barrier PDF link annotation
    • https://orderpoet.com/ckfinder/userfiles/files/19489462514.pdfIn PDF document text
    • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/1b004b313ab39ee6b20ba1cdffc302b9/gulusedudasufolodelifaved.pdfIn PDF document text
    • http://normel.org/files/upload/file/1455826427.pdfIn PDF document text
    • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/214dff468941c230e44ea35a3b088784/wekerur.pdfIn PDF document text
    • https://test-ajpianos.lapetitemaisonduweb.fr/upload/files/86625012865.pdfIn PDF document text
    • http://www.motionmantra.com/userfiles/files/domufuwalawigigo.pdfIn PDF document text
    • http://ndemal.com/publish/page/file/59966375591.pdfIn PDF document text
    • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/bada8725f50f52b190814ab6aab4f50c/nituwenidoburakew.pdfIn PDF document text
    • http://alfatreyd-mebel.ru/archive/images/file/54369604424.pdfIn PDF document text
    • http://www.greenfield-sustainability.com/images/files/40460233350.pdfIn PDF document text
    • https://sowlindia.com/userfiles/file/farazidatunorikap.pdfIn PDF document text
    • https://gotoko.com/cmsv2/upload/files/garogaj.pdfIn PDF document text
    • http://www.medic-pneumolog.ro/fisiere/file/rabowafekona.pdfIn PDF document text
    • http://ckrestaurantgroup.com/ckfinder/userfiles/files/vodagagunafofopejukedu.pdfIn PDF document text
    • http://eugensa.lt/app/webroot/uploads/userfiles/files/54614012784.pdfIn PDF document text
    • http://www.vandiestbrandstoffen.be/uploads/files/gunefekij.pdfIn PDF document text
    • http://www.dkmodels.net/ckfinder/userfiles/files/87835110042.pdfIn PDF document text
    • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/c7edc76761c3388438945dd4bee31946/55050061065.pdfIn PDF document text
    • http://1careglobal.com/upload/files/molowufutukamapatom.pdfIn PDF document text
    • https://ozanetiket.com/TasarimAcarnet/serhali/upload/files/suwoxu.pdfIn PDF document text
    • http://orel-trinity.ru/sites/default/files/file/rivitujo.pdfIn PDF document text
    • http://www.farmaciapenil.es/userfiles/files/vekagofakelesibadukeju.pdfIn PDF document text
    • https://kochitaxirental.com/ckfinder/userfiles/files/pefosaturiju.pdfIn PDF document text
    • https://larrialdiak.es/files/galeria/files/zotedit.pdfIn PDF document text
    • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/4oi6nq2vc5ckm05ilrs4p9t760/didabakutoliti.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_off00028279.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x28279 10752 bytes
SHA-256: 7077e1d6c1b3f57ed44a3b14f325eda5e0ae33a331280520e58d7af023745fd4
font_01_sfnt_off00029b19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29B19 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0002b1b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B1B8 18812 bytes
SHA-256: e28e4c8a79cfc45b24b166877e67429d4cee242155c38e0e5faef955e4cac7bb