Malicious PDF — malware analysis report

Static analysis result for SHA-256 d228d23c075f9eef…

MALICIOUS

PDF

73.5 KB Created: 2021-04-01 13:54:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-29
MD5: a0b845415094264fbb557ba3de6d0d28 SHA-1: 5730e4f9d313533887c075f38a8550f83a7fd77c SHA-256: d228d23c075f9eef5fb7f78054d88cc66c8da982ec5248ba8252b3ac010202b5
124 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs pointing to disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URIs are indicative of a common malware distribution technique.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7018

Heuristics 4

  • 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
  • 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://midufefew.ru/award?keyword=beating+the+street+pdf+drive PDF link annotation
    • http://devicesprotectionforusers.site/how_much_does_all_my_sons_moving_payp8j8p.pdfIn PDF document text
    • https://cdn.sqhk.co/welosezu/iggedgL/fishing_areas_near_me.pdfIn PDF document text
    • http://mumopajikex.mygamesonline.org/como_hacer_un_alambique_casero_para_destilar_alcohol.pdfIn PDF document text
    • https://cdn.sqhk.co/fazofasufiwu/hib1hjr/mayhem_battle_pvp_major_gun_shootings.pdfIn PDF document text
    • http://boomua.site/rekinasiwunl5joz.pdfIn PDF document text
    • https://cdn.sqhk.co/mugolino/ehbfhcn/graphic_design_jobs_nyc.pdfIn PDF document text
    • https://cdn.sqhk.co/kunimanujage/didLvgh/ultimate_fishing_simulator_greenland_guide.pdfIn PDF document text
    • http://vepenuvix.mygamesonline.org/programa_festival_internacional_cervantino_2020.pdfIn PDF document text
    • http://alania365.ru/nikowob9u6ej.pdfIn PDF document text
    • https://cdn.sqhk.co/wanaxowuwot/H8gegfc/gawevalojedem.pdfIn PDF document text
    • http://dezlice.ru/zokobarukan0nvyl.pdfIn PDF document text
    • http://ig-copyrightnoticehelp.com/86310109040g5hqy.pdfIn PDF document text
    • https://cdn.sqhk.co/kuvapipitol/b5gfPgi/hammerson_plc_annual_report_2015.pdfIn PDF document text
    • https://cdn.sqhk.co/medujebukoma/jhjmRjf/96667462988.pdfIn PDF document text
    • http://nosinoski.shop/sofewumezagadelipijugs08g.pdfIn PDF document text
    • http://detonic-shop.website/39122581443ermok.pdfIn PDF document text
    • http://towufato.mywebcommunity.org/baltasar_gracin_libros.pdfIn PDF document text
    • https://cdn.sqhk.co/winogolelog/ijg4qs1/macaw_parrot_life_expectancy.pdfIn PDF document text
    • http://raifaisentgo.online/43606454728ry9rf.pdfIn PDF document text
    • http://passive-income.ru/behringer_xenyx_x1204usb_usb_mixer_with_effectsjcary.pdfIn PDF document text
    • http://fuvidevifa.scienceontheweb.net/instrumentum_laboris_amazon_synod.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://serinuzosazojup.epizy.com/purple_cowboy_wine_canada.pdfIn PDF document text
    • http://kofezinidabefu.epizy.com/87055987881.pdfIn PDF document text
    • http://dugupafado.epizy.com/tumabuwigubitowuzag.pdfIn 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_off0000ed14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED14 5380 bytes
SHA-256: 65fd995fc7f6a9068bf7f81daad3d0b1f68200e68f828f5c5c14a94992335983
font_01_sfnt_off0000ff69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF69 14096 bytes
SHA-256: 51a1d64e03f0fd1e5dc14f8bc2aa41c0241fba66e4b579c35c6034eecce8c26c

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