Malicious PDF — malware analysis report

Static analysis result for SHA-256 e80a00c3da2db7ce…

MALICIOUS

PDF

73.7 KB Created: 2021-02-25 17:34:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 41a1c15298fa7e76b1e76c95c7f7f689 SHA-1: 3a8d7edecd468d26d6718df8b98bbf76d0ae05da SHA-256: e80a00c3da2db7ce7080990f7ecd5d74f940701fa73b75e0daad7ed248fe49ae
164 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a large number of external links, suggesting it is part of a link farm or phishing campaign designed to redirect users to malicious sites. The presence of the 'SE_INVOICE_LURE' heuristic further supports the idea that the document is intended to deceive users into clicking on these links, potentially for phishing or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=how+to+reset+altec+lansing+life+jacket+2 PDF link annotation
    • https://cdn.sqhk.co/zoxemetakol/Tibhcge/christmas_animal_hair_salon_2.pdfIn PDF document text
    • https://wotuvinuvokotar.weebly.com/uploads/1/3/5/3/135330473/9420affb50fb1ae.pdfIn PDF document text
    • https://cdn.sqhk.co/pedidagow/hu7hhw6/mobile_recharge_dth_data_card_recharge_online.pdfIn PDF document text
    • http://vodabutopidaru.getenjoyment.net/how_to_draw_a_furry_head_step_by_step.pdfIn PDF document text
    • https://xemewewekakefo.weebly.com/uploads/1/3/5/4/135401485/c17252fde856fac.pdfIn PDF document text
    • https://cdn.sqhk.co/seponidozit/hgghf2m/roaring_racing_mod_apk_unlimited_money.pdfIn PDF document text
    • https://povefedonigo.weebly.com/uploads/1/3/1/6/131637150/6643991.pdfIn PDF document text
    • http://tgesheff.xyz/comptia_a_1001_and_1002_bookinagw.pdfIn PDF document text
    • http://greenbike.shop/48342521341we42q.pdfIn PDF document text
    • http://sdek-24.cc/ease_of_doing_business_2019_reportuzkc1.pdfIn PDF document text
    • https://beripetalodewug.weebly.com/uploads/1/3/4/8/134865824/sigatilidobakup.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/buganabowumujef/rockola_power_amplifier.pdfIn PDF document text
    • https://s3.amazonaws.com/gowupuzokowuxes/buxukilerijuzew.pdfIn PDF document text
    • https://s3.amazonaws.com/luworizesupox/riremogawulokepu.pdfIn PDF document text
    • https://s3.amazonaws.com/fixararololu/citrix_netscaler_mpx_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/dumupa/the_specific_conductance_of_0.1_n_kcl_solution_at_25.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d6c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6C5 5160 bytes
SHA-256: 75f670287669e40f6126d3b0be47c3bcd95d7857d31fd5ee356ef0980e54a8d4
font_01_sfnt_off0000e876.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE876 10256 bytes
SHA-256: dd54a506fd92fe1b3511d6d72d1b521532cbc8469eb61c9b44aaba06bbf25811
font_02_sfnt_off00010b1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B1F 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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