Malicious PDF — malware analysis report

Static analysis result for SHA-256 2eeb192a1b317703…

MALICIOUS

PDF

80.6 KB Created: 2021-04-05 13:35:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 128c56d1cd0cc28400b8912c40054ad5 SHA-1: 7dea3eadf3117505f45877d93311eb52a1d51d18 SHA-256: 2eeb192a1b317703af50986e94e0d3ca94a68006c5be42afeb4992831f6466de
166 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

The PDF document contains heuristics indicating it is a link farm and a social engineering lure to install browser extensions or updates. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the presence of external URIs and the nature of the lure point towards a phishing or malware delivery mechanism, likely involving a client-side exploit or a malicious script executed via a browser vulnerability.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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/123?utm_term=chrono++manager+crx+file PDF link annotation
    • http://twirlini.com/37079716628sy2vm.pdfIn PDF document text
    • https://cdn.sqhk.co/filemowa/ygihcib/13643815021.pdfIn PDF document text
    • https://cdn.sqhk.co/gobajejuz/jgjjatc/zametawivegu.pdfIn PDF document text
    • http://wirelessinfo.ru/the_feldman_method_audiobooksw40u.pdfIn PDF document text
    • http://about-fb-support.com/72017548072mpdn4.pdfIn PDF document text
    • http://aslixan.com/puwibureloribodevmlunz.pdfIn PDF document text
    • http://sandwichhq.club/defending_jacob_bookdy3b1.pdfIn PDF document text
    • https://cdn.sqhk.co/golemejexeno/PhbOnge/rfs_real_flight_simulator_pc_download_free.pdfIn PDF document text
    • http://kimujedat.mygamesonline.org/cisco_ccna_voice_book.pdfIn PDF document text
    • http://niburufajanuto.sportsontheweb.net/what_is_signature_valid_in_aadhar_card.pdfIn PDF document text
    • https://cdn.sqhk.co/lopijikuvi/myzBgiL/puwatokixavov.pdfIn PDF document text
    • http://lunagogafoxoj.sportsontheweb.net/xafefapu.pdfIn PDF document text
    • http://sabuxaki.22web.org/asereje_las_ketchup_video.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bepolujogox.atwebpages.com/93708700591.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9c456126-67a8-47ec-914e-03ed8b7ae4be/how_to_build_a_wordpress_blog_for_beginners.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5274a88f-689d-40a4-86a5-e1b6a37d1353/60201056348.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e83759a5-0895-48cf-87f5-ccd6ae61320a/96_jeep_cherokee_xj_mpg.pdfIn PDF document text
    • http://mubinubamep.rf.gd/antimicrobial_stewardship_principles_and_practice.pdfIn PDF document text
    • http://palelezugob.onlinewebshop.net/calibration_and_verification.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2f78ce4b-04ad-4a6b-8da7-396a5b47a870/4428863391.pdfIn PDF document text
    • http://kigagizotag.onlinewebshop.net/azorin_castilla.pdfIn PDF document text
    • http://bipofixijanafuf.rf.gd/xiwetakefuvakajusivono.pdfIn PDF document text
    • http://xaligapuk.epizy.com/zodubuwewujekunij.pdfIn PDF document text
    • http://wesatume.atwebpages.com/52982716948.pdfIn PDF document text
    • http://gebibem.epizy.com/cherry_bomb_le_gayi_song.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_off0000fcd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCD7 5092 bytes
SHA-256: 034557026edcf3c775a90af2a8093ab1cb24d3f2790ac15f37d6d1910f49a384
font_01_sfnt_off00010e01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E01 11368 bytes
SHA-256: 158b4f404d68ae18c904edfbc6face7a4d2931b6450c300ba59f49393f4d8470