Malicious PDF — malware analysis report

Static analysis result for SHA-256 f994a1ad1378fc5b…

MALICIOUS

PDF

80.3 KB Created: 2021-08-28 12:53:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 3656ff0dc2d792687eac54c162bf0af4 SHA-1: 6554ddfd9bb8d963b6fe38e33e3c0e71fa45f407 SHA-256: f994a1ad1378fc5b6ca7bf2fbf8405b63056e2c4a55733f23cf0be3879e05d50
176 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9987

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/6109c8e931b41fe72d6dc91e0b98f47a/fanekofifonapozizigitaje.pdf In PDF document text
    • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/161055f9407e29---bavarakagedapag.pdfIn PDF document text
    • http://distributoram.com/files/file/73094164184.pdfIn PDF document text
    • http://work4shop.cz/userfiles/file/sifutirikekunotifanavada.pdfIn PDF document text
    • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969185d792b---sigijutikerulidagin.pdfIn PDF document text
    • http://nsdadventist.org/FCKData/file/90841326523.pdfIn PDF document text
    • https://liantoong.com/archive/upload/files/fapojodunawareko.pdfIn PDF document text
    • http://beijingxinzhi.com/userfiles/file/20210508095017_1813607160.pdfIn PDF document text
    • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a54c5d58f---susovakul.pdfPDF link annotation
    • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5248157cf---90920560775.pdfIn PDF document text
    • http://montaze.org/democms/userfiles/file/durutinofugotupakezel.pdfIn PDF document text
    • http://3qbuy.com/CKEdit/upload/files/novodolepinixulu.pdfIn PDF document text
    • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610f046fefbc0---75944644075.pdfIn PDF document text
    • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/d12fdc3d1e661f766c1d90be6b832ebf/77819331252.pdfIn PDF document text
    • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/9f1b8d00eca062533a25293479a8f853/sixebilasizubilo.pdfIn PDF document text
    • http://mikomisushiwc.com/uploads/files/96687291827.pdfIn PDF document text
    • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b54f1da79a8---67707925620.pdfIn PDF document text
    • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16101354f9fa00---xizonaraxudot.pdfIn PDF document text
    • http://qca.ch/userfiles/file/loxibigitow.pdfIn PDF document text
    • http://www.gdchgs.com/admin/img/files/22645033833.pdfIn PDF document text
    • http://sfipl.in/userfiles/file/87065892809.pdfIn PDF document text
    • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7203a3f527---49561191097.pdfIn PDF document text
    • http://studiomalpocher.it/userfiles/files/perotezorizewaril.pdfIn PDF document text
    • https://chung-pei.com/userfiles/file/99200848059.pdfIn PDF document text
    • http://binhchuachay.info/Images_upload/files/fetebolap.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=thermography+mammogram+near+mePDF 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_off0000d897.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD897 17064 bytes
SHA-256: a3be3adea49d05275c42d50a79ebf9b24081db9f75adf7b434216e7269f0054a
font_01_sfnt_off000103b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103B8 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011bcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11BCF 10372 bytes
SHA-256: 937c5535ab60d186ef07b09d6ef0fa3cd28fab4e1caf63e16b09003bbc378aa4