Malicious PDF — malware analysis report

Static analysis result for SHA-256 703ffdf92d836db2…

MALICIOUS

PDF

84.3 KB Created: 2021-06-27 00:02:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 0e64417d4b2bd9bc96cbd7adc9bacb37 SHA-1: ddd64e6676816eae176b040792ef8d0ab84f169e SHA-256: 703ffdf92d836db27fda15eee85c7e0b74ba5e0fc6b8b5f45b415a797ebac29e
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous links, many hosted on compromised websites, that redirect to phishing pages. The presence of a link farm and the ML classifier's high confidence score indicate a malicious intent to deceive users into providing sensitive information, such as Apple ID credentials. No scripts were extracted, but the document's structure and URL patterns strongly suggest a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a032d6994c0---nodifojowaronanebesuv.pdf In PDF document text
    • https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/3c29efba4367b13f55b2940400688763/90261142248.pdfIn PDF document text
    • https://heatingboiler.ca/fck_upload/file/77843924779.pdfIn PDF document text
    • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/ea2afe881bb60b9bbe76db82022cafc3/begidexak.pdfIn PDF document text
    • http://ototavandosemesi.com/resimler/file/polusapafutunuwivan.pdfIn PDF document text
    • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9fc1c5abd---dexezedubomakobufa.pdfIn PDF document text
    • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16098a20f85e8c---jogezegovevavifuf.pdfIn PDF document text
    • http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/44816178685.pdfIn PDF document text
    • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a71ba2d92d---8767488923.pdfIn PDF document text
    • http://bettaletroom.com/file_media/file_image/file/68468810543.pdfIn PDF document text
    • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/8fe5c7c62dbd5344300ac245a7d961a4/25069986246.pdfIn PDF document text
    • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/48tt3qmr5grrb9sr8judl5ogc1/sugumutobonutosuledavav.pdfIn PDF document text
    • https://alamansyria.com/userfiles/file/nebiranutivakiro.pdfIn PDF document text
    • http://chronicles.ae/userfiles/files/dizilefofas.pdfIn PDF document text
    • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf8d79a5b64---robisagotonigu.pdfIn PDF document text
    • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/cf4c253ea7eb676a6f7c61d61472d878/24262575811.pdfIn PDF document text
    • http://pomocnaukowa.net/Upload/file/josagavuvofoworogagugoni.pdfIn PDF document text
    • https://liniagdanskzydowo.pl/files/gabibetinopobewekinozata.pdfIn PDF document text
    • https://telewebmarketing.com/FCKeditor/file/jopefenodi.pdfIn PDF document text
    • http://bisenzia.it/userfiles/files/21007100343.pdfIn PDF document text
    • https://ecowaytechnologies.com/ckfinder/userfiles/files/mitipazeda.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=apple+id+reset+security+questionPDF 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_off0000e6a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6A5 17284 bytes
SHA-256: 644b40e3196c3918fd65b42ab26fbe9949ccdf4ff02eeeeb3a8181cec6cfeefe
font_01_sfnt_off000113d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113D9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00012bf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12BF0 10684 bytes
SHA-256: 8be6893f52f8bb88c8004aa2c37788c2989fe0aa18c35ad9beeb8cf1a066d91f

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