Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e371c8d6a455e3…

MALICIOUS

PDF

104.7 KB Created: 2021-07-24 06:00:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 7c7f429a7c3c030f7ae24f6935951b88 SHA-1: 7b8ef7a38b37e43b7767f3f38ed019ef9d3d39d9 SHA-256: d3e371c8d6a455e38628d2ce1f2ad3f3b21137c2dc2224f4f7130c87331ad643
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9893

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://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/8075e86fcc3a86089b0c7dfae67ef813/roteje.pdf In PDF document text
    • https://chp-travel.ir/data/file/vagedetedemujuzovemi.pdfIn PDF document text
    • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4838fc638c---lovijumatiwakiwixip.pdfIn PDF document text
    • https://artbynela.com/uploads/file/99837052691.pdfIn PDF document text
    • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a9716d08bfb---fiwofobenomegala.pdfIn PDF document text
    • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160755d8fd3783---33368652169.pdfIn PDF document text
    • https://mimpiindah2.com/contents//files/gusipu.pdfIn PDF document text
    • https://alixdemassy.fr/userfiles/file/96865721279.pdfIn PDF document text
    • http://ansonseatery.com/uploads/files/34506174580.pdfIn PDF document text
    • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/16637792520.pdfIn PDF document text
    • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/3407ojlt5280e1296jb9gj4dqr/27393220237.pdfIn PDF document text
    • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/28a0f9fa8f3cd4a64130c2a7bd7f9c82/19638601233.pdfIn PDF document text
    • https://honda-otolongan.com/upload/files/22553493529.pdfIn PDF document text
    • http://dotacjedlaoze.pl/userfiles/file/65829948538.pdfIn PDF document text
    • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/073a75006cf498324162d4a36daee9cc/29198532069.pdfIn PDF document text
    • http://kasintorn.com/images/upload/files/vuxodafulesuvafizamob.pdfIn PDF document text
    • http://sixtyguildersresearch.com/admin/photos/file/54768965375.pdfIn PDF document text
    • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/jht7nbsnvm56hdalvt5sk1klu8/11210746587.pdfIn PDF document text
    • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbc59f17d3---zogaxate.pdfIn PDF document text
    • http://gilendor.cz/userfiles/file/sojeb.pdfIn PDF document text
    • http://52fotki.ru/ckfinder/userfiles/files/kepijesu.pdfIn PDF document text
    • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/6265f60c56fe72af656100eb7970784e/55976767640.pdfIn PDF document text
    • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d366b6566---begaforawi.pdfIn PDF document text
    • http://maszyny.pl/userfiles/file/85886189863.pdfIn PDF document text
    • https://baptistfriends.org/media/7517546999.pdfIn PDF document text
    • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/e1113ea4de81ce148398e1b9e162246b/zukineramisalu.pdfIn PDF document text
    • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a89eac79224---22311540720.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=part+of+my+soul+went+with+himPDF 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_off00013690.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13690 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00014ea2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14EA2 17624 bytes
SHA-256: 9da19418c5e81a1741178317467fe40c45c8dc16cd2648220d0b013dc98d4704
font_02_sfnt_off00017ba6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17BA6 10780 bytes
SHA-256: a55ba559fd03a24b996c48f3a4c7a70377939fabeb7a3bf12c155fe8b5fd8af6