Malicious PDF — malware analysis report

Static analysis result for SHA-256 7627d3d8d08be5ef…

MALICIOUS

PDF

72.2 KB Created: 2021-02-28 05:03:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: d53bca91653c3798ae5e3d4b20c6a005 SHA-1: 2373c22c38675311858aa96506b33fb782e5fabe SHA-256: 7627d3d8d08be5efabb654fbc88a16f7088f842a7a1ff9bf616623b6a9dce9f2
124 Risk Score

Malware Insights

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

The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external sites, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are indicative of a link farm used to obscure the final malicious destination, a common tactic for initial access via spearphishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8239

Heuristics 4

  • 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
  • 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://vilenefex.ru/award?keyword=minn+kota+riptide+powerdrive+70+i+pilot PDF link annotation
    • http://trenolgia.buzz/xilitasijusudedakakudiwepqj0o.pdfIn PDF document text
    • http://worldhold.online/whatsapp_apk_apkmonkknqrm.pdfIn PDF document text
    • https://neripekotijoba.weebly.com/uploads/1/3/2/6/132681370/45fc60adb55c.pdfIn PDF document text
    • http://hesap-al-sat.com/canard_pcalush.pdfIn PDF document text
    • http://mjawebdesign.net/fedidolinojexapoziwebi5i6qy.pdfIn PDF document text
    • https://zulasiromeg.weebly.com/uploads/1/3/1/4/131453934/miripir.pdfIn PDF document text
    • http://cetapp.xyz/factoring_polynomials_practice_problemsi8rzs.pdfIn PDF document text
    • http://hugertely.xyz/99_walks_top_women_s_walking_appk0nkx.pdfIn PDF document text
    • http://liolika-rsya.ru/kuxidobod97p2.pdfIn PDF document text
    • http://artistichomesolutions.com/gitoninutawari87i2b.pdfIn PDF document text
    • https://luvodufugatese.weebly.com/uploads/1/3/4/8/134893210/depuwezo-bimolojor.pdfIn PDF document text
    • http://crubr.space/angelcare_babyphone_ac_401_bedienungsanleitung_downloadj6kvg.pdfIn PDF document text
    • http://hookup754.fun/gmail._com_freed7d16.pdfIn PDF document text
    • https://duvutotan.weebly.com/uploads/1/3/0/7/130775700/7a63be0b58e470d.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/muvemasoxaji/91499234044.pdfIn PDF document text
    • https://s3.amazonaws.com/sonutopexaramuf/msvcp140._dll_64_bit.pdfIn PDF document text
    • https://s3.amazonaws.com/sutawowirosuvuv/macbook_air_open_spreadsheet.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f7c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7C6 5220 bytes
SHA-256: f72dfa7beb01e304c5fcd5fa6749a5202cd99ac8499b57d8acd4936bed3db035