Malicious PDF — malware analysis report

Static analysis result for SHA-256 60675105c155a945…

MALICIOUS

PDF

82.2 KB Created: 2021-06-25 22:08:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: a530e753fb4709ee1a2d43f4e5810a6a SHA-1: ac90ce664cba20b3bfede2980d98affdd76603e1 SHA-256: 60675105c155a945a2d7a033b1cc37d5504355080b9b4464febf42a7a70f3e6d
156 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous embedded URLs, many of which point to potentially compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to external sites, likely for phishing or to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbffb9e429c---14806984244.pdf In PDF document text
    • http://rld-carbon.ru/file/73618571391.pdfIn PDF document text
    • http://vtaky.sk/media/file/defepabilaruseved.pdfIn PDF document text
    • https://isabellepieman.com/userfiles/file/51304988478.pdfIn PDF document text
    • https://tavio.ru/files/file/13579512318.pdfIn PDF document text
    • https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/ulo568s5judol9gajm6dtqis30/fisav.pdfIn PDF document text
    • http://bainihu.com/upfiles/editor/files/16235393895.pdfIn PDF document text
    • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/dd6c4e84cab1bdbcd148b4fc9cb7589e/28644668469.pdfIn PDF document text
    • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb750b2bb5---7127031809.pdfIn PDF document text
    • http://autosoftware.company/autoresponders_images/files/laxizupezoguf.pdfIn PDF document text
    • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f2ab96507---zuvuketa.pdfIn PDF document text
    • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/6cc234537a3fbe797ebf5d8aa4dce3e5/31128672743.pdfIn PDF document text
    • https://aawyx.com/sites/default/imageuser/file/fuwadevove.pdfIn PDF document text
    • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/1bitgea1cobtfrvp5b5q8m4dl8/35861996123.pdfIn PDF document text
    • https://tmtteks.com/files/6533055335.pdfIn PDF document text
    • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d34e4c6f5---81699413077.pdfIn PDF document text
    • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/ikrf7i64r8qrhu0a70ptqkio84/81002479488.pdfIn PDF document text
    • http://apricomm.com/userData/board/file/23079796698.pdfIn PDF document text
    • https://ajwatravel.com/wheelmarine/userfiles/file/51932903104.pdfIn PDF document text
    • https://cakenepal.com/userfiles/file/2631020295.pdfIn PDF document text
    • http://phantasos.org/userfiles/file/29256249184.pdfIn PDF document text
    • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b64eaa753---50796891525.pdfIn PDF document text
    • http://amirafouad.com/uploaded_files/file/78333226709.pdfIn PDF document text
    • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/c7b19f4f1cba9a2b47b390473948839b/9153981433.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=one+thousand+and+one+nights+volume+4+pdfPDF 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_off0000da2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA2F 18776 bytes
SHA-256: 076de661b1d54c0f25a8302f51294ff586da778fc443d91eb7543585be4838e4
font_01_sfnt_off00010985.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10985 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0001219c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1219C 11116 bytes
SHA-256: 59e82262e390dfe1cac85c2cd6425d7fa2f86ca8823418fe9373f5fda29adb78