Malicious PDF — malware analysis report

Static analysis result for SHA-256 12189c26dc1d82cd…

MALICIOUS

PDF

72.5 KB Created: 2021-04-03 02:05:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25
MD5: 00faa033903df46eabd144482704a887 SHA-1: 2959ee35ce50558007b53f6d915526b5e282b678 SHA-256: 12189c26dc1d82cdd43d80b14ad856d347a1398b97bed77e5453ab3fb22d90da
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, which is a strong indicator of a phishing or malware distribution attempt. The document body, though heavily obfuscated, includes keywords related to hacks and verification, aligning with common lure tactics. The ML classifier and ClamAV detection further support the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://ponafet.ru/wix?keyword=tmnt+legends+hack+no+human+verification PDF link annotation
    • http://instasavephoto.com/87218777190gqbkj.pdfIn PDF document text
    • http://ig-copyrighthelpcenter.com/how_to_configure_vpn_d-link_dir-8256njcn.pdfIn PDF document text
    • http://dutarotanazosuv.medianewsonline.com/wedodozopijiwawaforux.pdfIn PDF document text
    • http://zutelotojenexop.getenjoyment.net/vetepexamenijomij.pdfIn PDF document text
    • http://woziwowariv.sportsontheweb.net/nigupadofej.pdfIn PDF document text
    • http://pazifelurup.medianewsonline.com/bartleby_the_scrivener_analysis.pdfIn PDF document text
    • http://kopolade.22web.org/15754611703.pdfIn PDF document text
    • http://tixshopclub.space/ziginisapekevot0o97x.pdfIn PDF document text
    • http://fibaxoxadomi.sportsontheweb.net/51381111268.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/8560f265-1cf9-4b43-aa14-6fea3491daa6/maytag_centennial_commercial_technology_washer_and_dryer.pdfIn PDF document text
    • http://rurebafib.onlinewebshop.net/kanepez.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/879b256b-ef7b-4b77-8fe6-07fdb687f0f8/what_is_the_rarest_genetic_disorder_in_humans.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3cf8fbde-3081-488b-8b89-ca6281dc365f/zurujotejarixawuwiv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d382d779-45c5-4b38-a504-c2cbe1c68246/1918906338.pdfIn PDF document text
    • http://nujilexulajuwup.atwebpages.com/headway_beginner_free_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1dcdf305-4977-438c-a501-34f8127fb8fc/best_flowers_for_west_side_of_house.pdfIn PDF document text
    • http://kediditu.rf.gd/tesla_model_3_dual_motor_performance_0-60.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3962646b-c12e-4319-869a-ea5e33a0544c/45382651050.pdfIn PDF document text
    • http://tumaxokalabad.epizy.com/erosional_landforms_of_wind.pdfIn PDF document text
    • http://gakifok.rf.gd/soal_apbn_dan_apbd.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e749e4bf-b7c8-42eb-8d98-cad2351a20c6/why_isnt_water_coming_out_of_my_bissell.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c83125d1-064b-4398-91c1-d783cfff24a3/what_is_a_common_leisure_activity_in_your_country.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_off0000dc75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC75 5508 bytes
SHA-256: 8268483c901e2232fdafefdff4989ac76c6a62c9174517acbc54b88a04f4f58b
font_01_sfnt_off0000ef11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF11 10968 bytes
SHA-256: 2d0cbb56745fa7812183deef8fd285e8b7eedc99bad1db7772a9a5d97e4a5ad6

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