Malicious PDF — malware analysis report

Static analysis result for SHA-256 69fba14c0434099e…

MALICIOUS

PDF

107.8 KB Created: 2021-02-25 19:22:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 6ec1e814028adbceaabe2d8a45b93d53 SHA-1: 4a6dcc2b568c4023e8529df28bde5725097ee344 SHA-256: 69fba14c0434099ed79dfaea3b1fbe4ea156ce4b747668577fc3747b49551983
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, with one pointing to a suspicious domain ('maypoin.ru') that is flagged as external. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. ClamAV detection and ML classification strongly indicate maliciousness, likely related to phishing or a trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://maypoin.ru/award?keyword=linksys+re6400+ac1200+boost+wifi+range+extender+%2528re6400-ca%2529 PDF link annotation
    • http://vuvulusigi.scienceontheweb.net/fatodivikaj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454179/normal_5fd3072f3d8af.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369774/normal_60153819e69ea.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454043/normal_5fd67c91547ed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393029/normal_602c9429ebc1b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4496816/normal_60020f7e00a8a.pdfIn PDF document text
    • http://vorusobowa.66ghz.com/audio_format_ccitt_u-_law.pdfIn PDF document text
    • http://luwakixifotizim.iblogger.org/bruises_lewis_capaldi_piano_sheet.pdfIn PDF document text
    • http://fexewivu.iblogger.org/bootstrap_admin_template_open_source_github.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/boxalewijim/vesagedebomi.pdfIn PDF document text
    • https://s3.amazonaws.com/tokudapele/nulejus.pdfIn PDF document text
    • https://s3.amazonaws.com/naxozelozude/79527160949.pdfIn PDF document text
    • http://dufexupomom.rf.gd/83444040883.pdfIn PDF document text
    • http://siroluga.epizy.com/jonenifowabotarog.pdfIn PDF document text
    • http://vekifaxofezawe.epizy.com/calendar_template_for_publisher.pdfIn PDF document text
    • https://s3.amazonaws.com/vawoginele/biwagojifix.pdfIn PDF document text
    • http://zaxalamel.rf.gd/90010929874.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000163a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x163A8 6320 bytes
SHA-256: 92c16280952d3c5414e5d9d9530f82a401f10453905c3d9c7f83e0eafe603938
font_01_sfnt_off00017983.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17983 15220 bytes
SHA-256: 7e3a7bdccf0a9da9515c51423319606dc91e4d5add4742fbb6c81eaca233e36c

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