Malicious PDF — malware analysis report

Static analysis result for SHA-256 03299ed9ed17393d…

MALICIOUS

PDF

96.9 KB Created: 2021-07-30 23:56:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: c63ef139f17ba28b8352241dc071df16 SHA-1: 66c16dc900fdc75df88002edcfa7e0974ef57ad0 SHA-256: 03299ed9ed17393d74fc887902b65fe5f50cbc6a7ae2228399c25585e6eecdf1
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that point to compromised websites and potentially malicious PDF files. The embedded URLs and the heuristic firings suggest an attempt to lure users to external malicious content, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://coretry.ru/uplcv?utm_term=chaines+free+tv+by+canal+panorama PDF link annotation
    • https://bodymason.com/user_uploads/files/josaximojulixaxi.pdfIn PDF document text
    • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/ukgbov30uj8j2n3dp3n3cb9nmr/bemozijixivunimisi.pdfIn PDF document text
    • http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/mafolifazirokatojilatuwu.pdfIn PDF document text
    • https://adlinefor.com/home/webagen/public_html/korn/data/file/85055715864.pdfIn PDF document text
    • http://bright-mineral.com/uploadfile/file/2021052100201442.pdfIn PDF document text
    • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c35354e3db5---89256666884.pdfIn PDF document text
    • http://ebiocell.com/uploadfile/file///2021052421152339.pdfIn PDF document text
    • https://pet-fashion.ro/mm/file/4927788594.pdfIn PDF document text
    • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/603cd49bed82e58d4c8b3f37ed3ed75f/pamovalisirudusimamazo.pdfIn PDF document text
    • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/23f24762728fc1bf9baaac51dc76a61e/punobavidalumepola.pdfIn PDF document text
    • http://aksaaydinlatma.com/img/editor/image/file/leris.pdfIn PDF document text
    • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d9d94d35e---90744690912.pdfIn PDF document text
    • https://xn--hjrnskadeakademien-mtb.se/userfiles/file/jiwavogowowif.pdfIn PDF document text
    • https://foodphotoshop.com/userfiles/files/kesorefi.pdfIn PDF document text
    • https://lifesmart.ro/ckfinder/userfiles/files/rapulemipiwaxoruneratimo.pdfIn PDF document text
    • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8c4e4314f---sinuguwi.pdfIn PDF document text
    • https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/73710e91399b01e5f3b25409a35d81bd/gigaw.pdfIn PDF document text
    • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/c292d3394e9c62601fb4f5d8fec0eecc/74925003509.pdfIn PDF document text
    • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f328f3cb0d---13249130096.pdfIn PDF document text
    • http://allasclub.com/campannas/file/93003452572.pdfIn PDF document text
    • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/b0c632a64ea652e2001db72d4c348b9c/xasoka.pdfIn PDF document text
    • http://morecoredesign.com/images/imageUps/files/novonazizoteborolotitoj.pdfIn PDF document text
    • http://niestachow.pl/data/aktualnosci_imgs/file/resolovamesisutoxa.pdfIn PDF document text
    • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d06aad832e---minerururudasavesof.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_off00011266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11266 19448 bytes
SHA-256: 1fe5985a7ea95f5d7386cc81ff8f0dd664fba2ba1e064728a2554cf1a6f7f2ef
font_01_sfnt_off00014366.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14366 11096 bytes
SHA-256: f28b396d5cf0c09127a167267310de0d99466b4878dc4dd3dcb2f30a35041084
font_02_sfnt_off00015ce9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15CE9 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1