Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c874a3d7ccb829b…

MALICIOUS

PDF

77.5 KB Created: 2022-04-10 12:52:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-04
MD5: a420c87f10d7e8c9603ec0ab3356ea03 SHA-1: 2fc2042773e9908b7edab780e95768be206d2679 SHA-256: 2c874a3d7ccb829b439a32f40bb4165d946db3f6d89e8a979d17a201292846b3
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9934

Heuristics 7

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://norin.co.za/YmrXLWy8?keyword=flight%20sim%20system%20requirements PDF link annotation
    • https://servisi-ats.com/upload/files/bebolipuzuninexupapawigav.pdfIn PDF document text
    • https://zoxawilasewowi.weebly.com/uploads/1/3/0/9/130969521/8254770.pdfIn PDF document text
    • https://www.datacom.com.br/assets/admin/ckeditor/kcfinder/upload/files/38548554338.pdfIn PDF document text
    • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/162048fd7ef461---50530268152.pdfIn PDF document text
    • http://sl-light.ru/design/img/upload/file/13280831859.pdfIn PDF document text
    • https://vemubofopelo.weebly.com/uploads/1/3/0/7/130776521/2fd488d22f.pdfIn PDF document text
    • https://peretokat.weebly.com/uploads/1/3/4/0/134040551/818ca12010b00.pdfIn PDF document text
    • https://kuxevirajopar.weebly.com/uploads/1/3/5/9/135990570/kumirizivadopumuf.pdfIn PDF document text
    • http://alnadaoil.com/userfiles/file/16240431598.pdfIn PDF document text
    • http://ovodaprojekt.lenti.hu/feltoltes/files/34735796937.pdfIn PDF document text
    • http://salsainkonstanz.de/media/files/88677623753.pdfIn PDF document text
    • https://weilaimachinery.com/userfiles/files/zafawezuvigogisefodo.pdfIn PDF document text
    • http://chinahongji.com/d/files/96431225048.pdfIn PDF document text
    • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/162253bafe4235---87580329264.pdfIn PDF document text
    • https://piladokad.weebly.com/uploads/1/3/4/7/134759874/7930549.pdfIn PDF document text
    • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/10731025999.pdfIn PDF document text
    • https://kawapojironene.weebly.com/uploads/1/3/1/6/131637385/wosafuwaronufo.pdfIn PDF document text
    • http://domainecomps.com/documents/files/mituralepapesuk.pdfIn PDF document text
    • https://ziyang100.com/userfiles/file/art_16447328985955.pdfIn PDF document text
    • https://tizemafuniture.weebly.com/uploads/1/3/4/6/134636649/nuxejawulosop.pdfIn PDF document text
    • http://adm-zhemtala.ru/files/files/43408406997.pdfIn PDF document text
    • http://primesystem.kz/app/webroot/js/kcfinder/upload/files/basibesabekubakuxuxake.pdfIn PDF document text
    • http://tuv-zimer.co.il/assets/userfiles/files/17125056608.pdfIn PDF document text
    • https://widetidutu.weebly.com/uploads/1/3/1/4/131453832/kifuwud.pdfIn PDF document text
    • https://wiwojuzikog.weebly.com/uploads/1/3/6/0/136050554/bimarawefujibaridaso.pdfIn PDF document text
    • http://humanitool.ru/userfiles/file/taputepawalitegupi.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_off0000ca0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA0B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e222.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE222 10612 bytes
SHA-256: 00d3a4600bc25e1c997ef6f3d78458dc235f1a845e12bfae0032d32918c0521d
font_02_sfnt_off0000f9d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9D4 17528 bytes
SHA-256: 3f81541fa438e7300d4ec002291dab705b92439fe5d1e0515c68160afbe5753f