Malicious PDF — malware analysis report

Static analysis result for SHA-256 e626d4bac0b23328…

MALICIOUS

PDF

71.5 KB Created: 2021-02-23 20:23:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 97e7ff7fd98b8c463a8458b19d9ea42d SHA-1: 9a8e39d84829b1e59816f5cf7b7937174f0f749e SHA-256: e626d4bac0b23328544dd8302fa08abaa5faa0d7e88a428f2c9e08159ae63292
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://druttle.ru/wb?keyword=schwinn%20170%20upright%20exercise%20bike%20for%20sale PDF link annotation
    • http://rilotelexewobos.iblogger.org/compound_complex_sentences_lesson_5_answers.pdfIn PDF document text
    • http://butinejijobu.iblogger.org/51890193772.pdfIn PDF document text
    • http://gozatelaji.22web.org/les_chevaliers_du_ciel.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466143/normal_6001c8600dfb6.pdfIn PDF document text
    • http://vivanazesile.iblogger.org/total_gym_1000_exercise_system.pdfIn PDF document text
    • http://masozaxo.22web.org/xisuzeke.pdfIn PDF document text
    • http://fopuval.22web.org/35663405407.pdfIn PDF document text
    • http://betegozoneseje.iblogger.org/pexulufibeliwerun.pdfIn PDF document text
    • http://tapabafana.22web.org/validity_and_reliability_in_assessment.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fozikabev.epizy.com/memojetimawa.pdfIn PDF document text
    • http://javozajesaretu.epizy.com/mesojenimup.pdfIn PDF document text
    • http://riberudedanute.epizy.com/the_long_journey_adventure_game_mod_apk.pdfIn PDF document text
    • http://vapovalexuma.epizy.com/evil_dead_movie_free_tamilrockers.pdfIn PDF document text
    • https://s3.amazonaws.com/leributafa/80543867794.pdfIn PDF document text
    • http://safasufozoz.rf.gd/relieving_letter_sample_in_word_format.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d8b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8B6 6020 bytes
SHA-256: 083b5c9258672aaabd2ca844c247caf5394e087e7ddfaeff2854b4ec39cac93e
font_01_sfnt_off0000ed56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED56 10544 bytes
SHA-256: 8066d2212311e82bc92d9ed3929e2e4399708e720b13c84e3e166cd5d0523d02

Open this report in the interactive analyzer, or submit your own file for analysis.