Malicious PDF — malware analysis report

Static analysis result for SHA-256 daed1002900562bb…

MALICIOUS

PDF

82.6 KB Created: 2021-03-19 13:55:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a1f44c050bfbc0a29f17f9e70f9212af SHA-1: 56a98b123ee6b1308b9d5aef7ab598f11d74e8af SHA-256: daed1002900562bbb4e1c873bfce5e12b70a97418f207a680cc90cceb1900a2c
126 Risk Score

Malware Insights

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

The file is a PDF containing numerous links to external websites, many of which are hosted on disposable domains and flagged as part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded URLs suggest an attempt to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://xezojetit.ru/award?keyword=apush+period+1+and+2+test+pdf PDF link annotation
    • http://seseletozub.iblogger.org/how_heavy_is_a_bag_of_sand.pdfIn PDF document text
    • http://on-arenas.com/65471851572fw53n.pdfIn PDF document text
    • http://nnorm-id.com/class_paul_fussellw7543.pdfIn PDF document text
    • http://7lessons.website/area_of_a_circle_worksheet_with_answersxlvwl.pdfIn PDF document text
    • http://lozomaneje.getenjoyment.net/free_self_esteem_worksheets_for_adults.pdfIn PDF document text
    • http://astropsychology.website/what_do_calla_lilies_symbolizevltvk.pdfIn PDF document text
    • http://wegansit.space/angular_deformity_varus094x7.pdfIn PDF document text
    • http://sigixexizo.sportsontheweb.net/31582349876.pdfIn PDF document text
    • http://zafimapi.22web.org/anaconda_for_windows_7_free.pdfIn PDF document text
    • http://supportcopyright.net/tifamadusepaxeu094i.pdfIn PDF document text
    • http://lnstagramcopyrightmanagement.com/4868329597n14fx.pdfIn PDF document text
    • http://lotsmen.com/faparinalidhklu4.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://dowavatig.rf.gd/aagadu_video_songs_hdvd_9.pdfIn PDF document text
    • http://jamenajiko.myartsonline.com/ansys_thermal_analysis.pdfIn PDF document text
    • https://eb9d0a7c-f241-4274-9260-18def620c3fd.filesusr.com/ugd/796b85_f063c18911bd41cfa827e129c01cec3d.pdf?index=trueIn PDF document text
    • https://a0bbd489-bf03-48a0-8e93-88abd0751e5b.filesusr.com/ugd/370ea2_1fdaf96c3b5f4ad5b7b59c9be39a36e8.pdf?index=trueIn PDF document text
    • https://dd907c4b-492b-4b4d-bf3c-9f0b7a2bd2c7.filesusr.com/ugd/96a426_0a20c0eebee247fb9a8eb8854faf6d47.pdf?index=trueIn PDF document text
    • https://43fe4710-460a-4ad3-90dc-2dd795c51528.filesusr.com/ugd/a32c20_a32e9196b56242a5b475417ee7bf6929.pdf?index=trueIn PDF document text
    • http://xotepugiz.rf.gd/chinese_visa_application_form_dubai.pdfIn PDF document text
    • http://jiregaruxu.rf.gd/murray_lawn_mower_wont_stay_started.pdfIn PDF document text
    • http://zopefunexot.epizy.com/illustrator_calligraphy_brushes_free_cs6.pdfIn PDF document text
    • https://c301b42c-deab-4116-afcd-a09dd0728425.filesusr.com/ugd/4bb894_e2c4c1a5a8654ffea28c76f290ed876d.pdf?index=trueIn PDF document text
    • http://vatugiw.epizy.com/what_is_f2_on_sunbeam_electric_blanket.pdfIn PDF document text
    • http://ribafaga.rf.gd/72482899092.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f684.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF684 5152 bytes
SHA-256: ea308d5fc18ba4a5fea72d5a55e01bb53bf1cdb2974e79162f2a5e7ab614980c
font_01_sfnt_off00010805.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10805 11304 bytes
SHA-256: 7b3172dd44f4d57cd31758e8362ed96c33b7b78555dcfa27f0bf8909d1412873
font_02_sfnt_off00012e85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12E85 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3