Malicious PDF — malware analysis report

Static analysis result for SHA-256 9eb12c7e0d696b36…

MALICIOUS

PDF

82.4 KB Created: 2021-03-26 12:26:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: b96bbd10872e9713032340d05ac54ae2 SHA-1: 9ad8a27b4d60474d9a7d53dc9d9093553e125df6 SHA-256: 9eb12c7e0d696b364673e9a40cb0997910b3a60f5a30e8f09b54b6294104603a
126 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ML classifiers and ClamAV, as malicious and phishing-related. The document body, though heavily obfuscated, contains references to 'Scantron forms where to buy', suggesting a lure. The embedded URI points to a suspicious domain, indicating an attempt to redirect the user to a malicious site for further exploitation.

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://seumenha.ru/123?utm_term=scantron+forms+where+to+buy PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4497346/normal_600238de29aef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413373/normal_603fc53a6488f.pdfIn PDF document text
    • http://raxejudesezix.scienceontheweb.net/87344404329.pdfIn PDF document text
    • http://zegobudipaju.mywebcommunity.org/sigma_asc_105.pdfIn PDF document text
    • http://teniran.22web.org/crash_course_world_history_industrial_revolution_worksheet.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385436/normal_5feb2bcae8c60.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368979/normal_5ff9f36f4131f.pdfIn PDF document text
    • https://xajaxosu.weebly.com/uploads/1/3/5/3/135304217/rivefefazin.pdfIn PDF document text
    • https://cdn.sqhk.co/fobojuwof/jbheghD/iot_space_applications.pdfIn PDF document text
    • http://misifebofol.mywebcommunity.org/51917160186.pdfIn PDF document text
    • https://molesomux.weebly.com/uploads/1/3/2/6/132681378/190908.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366969/normal_5fd1c67c38fc9.pdfIn PDF document text
    • https://cdn.sqhk.co/sonawumi/cjjjdhb/greeting_card_template_microsoft_word.pdfIn PDF document text
    • https://jazelisis.weebly.com/uploads/1/3/4/8/134870131/4132424.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471475/normal_60401d82a441f.pdfIn PDF document text
    • https://cdn.sqhk.co/jumifokujuje/ricidig/planet_warming_topic_of_concern_crossword.pdfIn PDF document text
    • https://cdn.sqhk.co/rivotoxupow/S6UAhiI/project_drag_racing.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384820/normal_6035e72b8f1bb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379854/normal_603a6388eb060.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://satosawinesuf.rf.gd/john_deere_1330se_parts_diagram.pdfIn PDF document text
    • http://rogitefivox.epizy.com/tabela_alimentos_alcalinos.pdfIn PDF document text
    • http://fodapimogu.rf.gd/adobe_reader_free_download_full_version.pdfIn PDF document text
    • http://ravakalamixalu.epizy.com/22878137705.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_off000102d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102D2 5528 bytes
SHA-256: 8463dc858613bb11807ea6f964f2c13b24a43bf5bf4e153115aad31b53f19eba
font_01_sfnt_off00011591.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11591 11420 bytes
SHA-256: 563c13f5b89bafcc4cefd309c5f8aa4f2cd3ea00164f97dfa75b96801be91d90

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