Malicious PDF — malware analysis report

Static analysis result for SHA-256 fad002367d59b2fd…

MALICIOUS

PDF

89.9 KB Created: 2021-06-26 21:46:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 20c8e90c9a3900220a3489cc5bf7a112 SHA-1: f3af28b5c4c64009965007ca306e8b03c35c2b66 SHA-256: fad002367d59b2fd0cef746b39131d3952078775d53ca7a2c7db95c9712c8c8d
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or malware distribution attempt. It functions as a link farm, containing numerous URLs that point to other PDF files hosted on compromised WordPress sites and disposable domains. The primary goal appears to be directing users to these malicious links, likely to trick them into downloading further malware or submitting sensitive information.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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 http://beateromer.com/bilder/file/lalemi.pdf In PDF document text
    • http://amphorabeautyclub.com/campannas/file/8098113867.pdfIn PDF document text
    • https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/6c81785c914b317b41324753e98d542e/95278584766.pdfIn PDF document text
    • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/83b629b9c94c5bd242d8b9c6ae672180/sazek.pdfIn PDF document text
    • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/f37bab9866c5341f6215da69fd244078/6388148021.pdfIn PDF document text
    • http://lblussana.it/images/file/vuruneminokijejavilokijos.pdfIn PDF document text
    • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8f1c8abf2---vidadopufuzilevevujoz.pdfIn PDF document text
    • https://tahubunting1.com/contents//files/nejojitavafiwesisaxus.pdfIn PDF document text
    • https://ancoraeducacion.com/images/22440625771.pdfIn PDF document text
    • https://stratasphere.online/userfiles/file/wedodijofemifadedarani.pdfIn PDF document text
    • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/979ddc6a9c407a79f15871bb79e25281/zezune.pdfIn PDF document text
    • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/raxitazemanepem.pdfIn PDF document text
    • https://mm-podium.ro/userfiles/file/45277206075.pdfIn PDF document text
    • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/16092efe5227a8---25936907801.pdfIn PDF document text
    • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/df46ffbf079786ce75b890b62e2a97e4/zugafujifinesudewisa.pdfIn PDF document text
    • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b5d12a6d7---76307701895.pdfIn PDF document text
    • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8d8eb8a0a---94121562092.pdfIn PDF document text
    • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c927df1be57---kubolopenevewuvozofe.pdfIn PDF document text
    • http://guojingmall.com/userfiles/file///fagidifiso.pdfIn PDF document text
    • http://caopump.com/admin/userfiles/file/dajixuzetoxi.pdfIn PDF document text
    • http://adabaskimerkezi.com/upload/file/39397976343.pdfIn PDF document text
    • https://invest.pl/userfiles/file/losetoxipugefatibox.pdfIn PDF document text
    • https://brtim.com/uploads/wysiwyg/files/73302728850.pdfIn PDF document text
    • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d388b1a7c4---64929401025.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=anne+of+green+gables+book+read+online+freePDF 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_off0000fd5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD5C 10644 bytes
SHA-256: 9e4d5e26eb056fd4910926b97edc6c0304565dd1e8bde301a627d3343abcb13c
font_01_sfnt_off000115a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115A4 17356 bytes
SHA-256: ff6d52aa866e73b30674e69ec1d0e55f4b7fb5c8e69128111df2463725d33c55
font_02_sfnt_off0001421c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1421C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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