Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7c0796c6f70675a…

MALICIOUS

PDF

75.9 KB Created: 2021-12-07 17:59:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-22
MD5: 0fe67d1d8e887a036ee09d8f2fe2a8c8 SHA-1: 5a9f407dae036a95bd7b7d8094ea68de6d1dddd2 SHA-256: e7c0796c6f70675a875acd130c8d6293ff9df20f688bd577a343366c38a0c407
236 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

Heuristics 8

  • 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • Clickable PDF combines external action with parser-evasion structure high PDF_ACTION_PARSER_EVASION
    PDF has an external clickable URI together with object graph or xref structures that make parsers disagree, such as divergent duplicate objects, parser divergence, or xref offset mismatch. That combination is stronger than a plain link: the document is both an outward-action carrier and a parser-confusion/evasion sample.
  • 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://redormiga.org/sites/portalin.es/files/file/mesukasen.pdf In PDF document text
    • https://xn--80ag1a2a.xn--p1ai/files/file/gofejagakedobowodatikog.pdfIn PDF document text
    • https://vanvoorst.info/uploaded/file/lubatotasanozu.pdfIn PDF document text
    • http://cee1968.com/ckfinder/userfiles/files/31944881915.pdfIn PDF document text
    • http://timnhanhonline.net/upload/files/webona.pdfIn PDF document text
    • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161975f4eb947b---vivapekoga.pdfIn PDF document text
    • https://oreopay58.com/ckfinder/userfiles/files/tuvibuxaxavejepa.pdfIn PDF document text
    • http://zoldjogsi.hu/uploads/files/70520709015.pdfIn PDF document text
    • https://illustrations.noche.fr/images/files/mevawe.pdfIn PDF document text
    • http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/In PDF document text
    • http://ivankotov.ru/img/lib/file/bajutosiju.pdfIn PDF document text
    • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/i0pgect0e5k8i3datrrg1fg724/noposofiwomadobizominef.pdfIn PDF document text
    • https://betalinktech.com/blmedia/file/35580619562.pdfIn PDF document text
    • http://tutaylamhet.com/storage/ckfinder/files/54886027938.pdfIn PDF document text
    • https://cambodiaangkorhomestay.com/userfiles/file/3761665663.pdfIn PDF document text
    • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/38812552309.pdfIn PDF document text
    • http://hzeiger.com/userfiles/file/givipefipila.pdfIn PDF document text
    • http://tuderprogettazione.it/userfiles/files/wutabu.pdfIn PDF document text
    • https://menlopark.com/wysiwygfiles/file/16273646763.pdfIn PDF document text
    • https://aventuraholidays.elladatravel.ro/mm/file/kujalik.pdfIn PDF document text
    • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/ij8jeshq2i6mqhlqmr7so84dls/76709113005.pdfIn PDF document text
    • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/c3bb14a8c331874c082316b504ceefcc/niwanejuxobuxugugidiwa.pdfIn PDF document text
    • http://www.poliklinika-hb.cz/userfiles/file/51544531961.pdfIn PDF document text
    • https://peusch.lu/userfiles/files/godotedafavibaboxelop.pdfIn PDF document text
    • https://thefencedocumentary.com/adminfiles/file/19871889997.pdfIn PDF document text
    • http://feedproxy.google.com/~r/MbOu/~3/u-9XGpgKpwY/uplcv?utm_term=sony+dream+machine+icf-c218+change+brightnessPDF 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 extracted file (font_00_sfnt_off0000bf28.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bf28.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bf28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF28 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000d5cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5CC 11620 bytes
SHA-256: e1ae9561a65ee56e08204e7965acf5c212dd97235e390eb24814c641da296502
font_02_sfnt_off0000f125.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF125 19008 bytes
SHA-256: 876d7009beb89a85d5dfa5a50e51d5adf3548bd2a63e77c3aac0d5c3ff7b6da0