Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8e5d9f69a318b52…

MALICIOUS

PDF

90.5 KB Created: 2021-02-01 05:28:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: db05b81ed05a71e772a302fae23dd386 SHA-1: f5328ccff8f37f3b690aeffe7204d084ccd2e815 SHA-256: b8e5d9f69a318b52d177d86ea2f2216187acdb9acaec49bf2814a99d4595f0ad
66 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs, many of which point to disposable hosting or suspicious domains, indicating a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the presence of many external URIs suggests an attempt to direct users to potentially harmful websites, possibly for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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://jottigo.ru/123?utm_term=apple+ipod+shuffle+4th+generation+price PDF link annotation
    • https://cdn.sqhk.co/dorejewibiz/ijKqUhb/mododativujog.pdfIn PDF document text
    • https://cdn.sqhk.co/wikaraxixi/GhhihvO/botepas.pdfIn PDF document text
    • http://kadesevi.iblogger.org/xisujopiwag.pdfIn PDF document text
    • https://cdn.sqhk.co/disegivoji/piejiie/68162585589.pdfIn PDF document text
    • https://cdn.sqhk.co/wakivugex/hgUihW6/lifetime_goals_bucket_list.pdfIn PDF document text
    • https://cdn.sqhk.co/verexoleki/dhfqfib/hd_love_live_wallpaper_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/denugesugumu/YTJcUjO/instagram_search_history.pdfIn PDF document text
    • https://cdn.sqhk.co/lawafopugu/Ngc6gd3/jozuxezawaxa.pdfIn PDF document text
    • https://cdn.sqhk.co/tazarufavixa/gfifKWz/67101532130.pdfIn PDF document text
    • https://cdn.sqhk.co/baxijaxazixi/BulgdgS/defense_career_institute.pdfIn PDF document text
    • https://cdn.sqhk.co/wejagamewo/Zjdjcgi/doxelaxemedum.pdfIn PDF document text
    • http://golivexi.22web.org/attitude_shayari_pic.pdfIn PDF document text
    • https://cdn.sqhk.co/xumefotebe/igCRB6b/super_mario_world_rom_online_unblocked.pdfIn PDF document text
    • https://cdn.sqhk.co/lojosewude/WgBvOjb/61875138704.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • http://boraxijud.epizy.com/kezuvanulexiralozapali.pdfIn PDF document text
    • http://zipoxibel.epizy.com/thomas_calculus_book_11th_edition.pdfIn PDF document text
    • http://monufojama.rf.gd/types_of_communication_media_guided_and_unguided.pdfIn PDF document text
    • http://zefuziboveteg.epizy.com/lixokujoluripozofek.pdfIn PDF document text
    • http://molaken.rf.gd/2015_chrysler_200_limited_user_manual.pdfIn PDF document text
    • http://moxozejoxolisuf.epizy.com/910210057.pdfIn PDF document text
    • http://nitasoginit.rf.gd/hvac_technician_resume_format.pdfIn PDF document text
    • http://lawupoxag.epizy.com/dragon_ball_abridged_android_16.pdfIn PDF document text
    • http://rosuwofa.rf.gd/bsf_tm_application_form_2019.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
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f0a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0A4 3052 bytes
SHA-256: 3d5d35c0c185460ba91e9f74a23a7f1acbd9e03935cb518c870e5d99e0288019
font_01_sfnt_off0000fb78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB78 5492 bytes
SHA-256: 07275d3587f4c196bf31abe53cf80929ee0ddee5b09b0c796a7e7d6b4073ec41
font_02_sfnt_off00010e22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E22 5768 bytes
SHA-256: 713c39f08f1e98db135335d1a83671b3a79f0e45cff5a0eda33e91c92e91516b
font_03_sfnt_off00011c96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C96 11808 bytes
SHA-256: d7d287d0069d965090a2d978948cc8aea270ca426ac9fba10dddcd95f024c83b
font_04_sfnt_off00014395.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14395 16164 bytes
SHA-256: 0250545ef5ea7c232323ba9cd73ff257c0f47b778ea4156b5c9e23dddeb59f7a