Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a50e28f4580d137…

MALICIOUS

PDF

71.5 KB Created: 2021-03-19 14:01:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: f4453b2fa80d3e7c61761e0a58d59d2a SHA-1: 868ddc9626323c0784670e98d483c48c9c717c29 SHA-256: 1a50e28f4580d137643cc2bea4bf4b4bc1ef244a3579dc4201a43f0ff6a7533e
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://gimoguvi.ru/123?utm_term=ayo+and+teo+dance+battles+hd PDF link annotation
    • https://cdn.sqhk.co/fefamuve/1Digvja/39569805574.pdfIn PDF document text
    • http://zageketukux.iblogger.org/how_to_evaluate_a_franchise_business_plan.pdfIn PDF document text
    • https://cdn.sqhk.co/veleviziwew/gfQA0jj/digidesign_control_24_pro_tools_12.pdfIn PDF document text
    • http://xebepadizupen.22web.org/honeywell_hcm_350_humidifier_walmart.pdfIn PDF document text
    • https://cdn.sqhk.co/dubikureta/cD36hcf/onslaught_celestial_assault_deck.pdfIn PDF document text
    • https://cdn.sqhk.co/xegapanasa/eRJjhUh/39589428191.pdfIn PDF document text
    • https://cdn.sqhk.co/fenazijeguk/jdQ1gfh/96946119738.pdfIn PDF document text
    • http://xufamorazogubov.sportsontheweb.net/lixitubake.pdfIn PDF document text
    • https://cdn.sqhk.co/rupizabiweze/dgfIigh/acronis_disk_director_12._5_full.pdfIn PDF document text
    • https://cdn.sqhk.co/lovolipeg/Yhauif5/application_of_computer_book.pdfIn PDF document text
    • https://cdn.sqhk.co/besudamuge/z7Cwkjf/attack_light_red_gem_locations.pdfIn PDF document text
    • https://cdn.sqhk.co/dolitife/hdiE6he/jiraranokidibuxujiliz.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/tikofaketonub/bowel_prep_nice_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/pibajuwi/xonanaraxubaluzetibowomuf.pdfIn PDF document text
    • http://tupaputukexoro.epizy.com/dell_poweredge_2950_price_in_india.pdfIn PDF document text
    • https://s3.amazonaws.com/ronenitevodo/98172952739.pdfIn PDF document text
    • http://kojenixerog.myartsonline.com/71025552548.pdfIn PDF document text
    • https://s3.amazonaws.com/sonutopexaramuf/latitude_5179_spec_sheet.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_off0000cda2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDA2 4900 bytes
SHA-256: 2f30e274b3ecf3abb41e6a753dd3da85fd4e3a3be3a626c4077ad4ddf306e040
font_01_sfnt_off0000de40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE40 10628 bytes
SHA-256: ac066d631134d136a0427d66656c97c488366dcf09948b26427f48c9608cdb0a
font_02_sfnt_off0001027e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1027E 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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