Malicious PDF — malware analysis report

Static analysis result for SHA-256 496f286b4027aef6…

MALICIOUS

PDF

84.3 KB Created: 2021-03-20 08:50:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: e097db52d4e03eed0ba221c08a57938f SHA-1: 7d01976b903be192a779e6dd9bef555756409be0 SHA-256: 496f286b4027aef67d81befafe2e6032fc532f81070a1396f7b91c3548bac4f0
126 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to disposable hosting, and one prominent URL that appears to be a phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/strik?utm_term=which+cateye+computer+is+best PDF link annotation
    • http://demigatakubap.iblogger.org/daemon_irrepit_callidus_sheet_music.pdfIn PDF document text
    • http://silkhfig.bid/american_pie_reunion_movie_in_tamilhf488.pdfIn PDF document text
    • https://fotagajumiveba.weebly.com/uploads/1/3/1/4/131411987/4650370.pdfIn PDF document text
    • https://fekunifiso.weebly.com/uploads/1/3/4/2/134266639/wupobawigul-fujibu-weluzizol.pdfIn PDF document text
    • http://wirelessinfo.ru/kukuguzatogawikipazp8zn0.pdfIn PDF document text
    • http://7evenrp.ru/how_to_get_epson_printer_to_print_black_onlye0v6d.pdfIn PDF document text
    • http://hopecommunitynaz.com/charter_remote_setup_vizio0nbfj.pdfIn PDF document text
    • https://wufovepujiz.weebly.com/uploads/1/3/0/7/130775368/wupizezifalubokip.pdfIn PDF document text
    • http://powogole.iblogger.org/pusexorimokutewerigi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/besafefaf/airtable_conditional_forms.pdfIn PDF document text
    • http://zojusis.rf.gd/24316732020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a537fb83-6d50-484a-b969-429fd0f6de3a/rise_of_scourge_full_book.pdfIn PDF document text
    • https://s3.amazonaws.com/fidefofudi/davv_cet_registration_form_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/degisapemifa/disikizonuxunebavetagis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4951e202-3de5-4972-a95f-7bf6965d34f5/hp_probook_6560b_wireless_driver_download.pdfIn PDF document text
    • https://s3.amazonaws.com/gavexilatuvitaz/vanaspati_information_in_english.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c495cae-9a55-460c-859d-ce56f7a08b5e/how_to_tell_if_your_furnace_thermostat_is_broken.pdfIn PDF document text
    • http://manovubiludigi.rf.gd/star_wars_the_essential_atlas_map.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fedeedea-ee9c-4f1b-9030-dba797154ba8/mechanical_engineering_drawing_gear.pdfIn PDF document text
    • http://dibulorofo.epizy.com/ryobi_leaf_vacuum_40v_battery.pdfIn PDF document text
    • http://tojegazanet.rf.gd/acetate_sheets_for_chocolate_work.pdfIn PDF document text
    • http://kexobub.rf.gd/17731953859.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_off00010d1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D1B 5396 bytes
SHA-256: 5cec9d260a084b3eec2abb08935783b3fe9d3f1d2bb21223670bd9849b139f33
font_01_sfnt_off00011f58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F58 10744 bytes
SHA-256: 4882f57240ea5c2ab7bd9f0d843449df3101559bbd4558b3b83a35744ab4bc3a

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