Malicious PDF — malware analysis report

Static analysis result for SHA-256 3be602d52629dfaa…

MALICIOUS

PDF

75.3 KB Created: 2021-03-04 11:26:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e46a520be3da49042cd9c0bb2e44e8e7 SHA-1: de59c543fcb2d24aab1ee25f3cdd39ff860dd892 SHA-256: 3be602d52629dfaa3147b3629e233001c4486e84cab5b0ee20990e7f3e08a12d
66 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs, with the primary one pointing to a suspicious domain associated with a link farm. The ML classifier strongly indicates maliciousness, and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the malicious intent of directing users to potentially harmful sites. No scripts were extracted, but the overall structure suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • 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://soxebez.ru/award?keyword=employee+dress+down+day+ideas PDF link annotation
    • http://zuluwana.iblogger.org/cpa_australia_ethics_exam_format.pdfIn PDF document text
    • http://baugroup.info/que_es_liderazgo_segun_autores_y_aos3a29.pdfIn PDF document text
    • http://pefiworawodud.mypressonline.com/2652747176.pdfIn PDF document text
    • http://idealica-tufficiale.website/couples_christian_counseling_near_mel0s69.pdfIn PDF document text
    • http://sivupagelif.iblogger.org/fapuzu.pdfIn PDF document text
    • https://cdn.sqhk.co/nokodexuxof/NUhibyt/27437999850.pdfIn PDF document text
    • http://idealica-italiaoficial.site/how_to_make_homemade_knife_handlesjncm.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://makakanow.onlinewebshop.net/how_do_i_install_scansnap_s1300i.pdfIn PDF document text
    • http://soxalisaxofaba.epizy.com/biology_notes_form_3.pdfIn PDF document text
    • http://lelexuxifu.epizy.com/guwajatuzabapemedu.pdfIn PDF document text
    • https://s3.amazonaws.com/jixerubowi/electrocardiograma_normal_interpretacion.pdfIn PDF document text
    • http://lezabiwobefek.rf.gd/3264493362.pdfIn PDF document text
    • https://s3.amazonaws.com/xefezesebusu/huebsch_dryer_not_heating.pdfIn PDF document text
    • http://damewanobojojo.rf.gd/21556517013.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_off0000ebb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBB3 5256 bytes
SHA-256: 983d28bda4c5c0d709b8885ed2a9edc3d4a294d3595e93289055abc3c0430894
font_01_sfnt_off0000fd92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD92 10184 bytes
SHA-256: 354d964a45195e09668313f0e88230a92a2e0d5fac4a0b8e01c166ae52f05415

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