Malicious PDF — malware analysis report

Static analysis result for SHA-256 026a377145ce24df…

MALICIOUS

PDF

76.0 KB Created: 2021-02-26 04:22:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 0b67268fc553721a5154cee7f7d93059 SHA-1: 6059bd31cda48139262c428232bbc0b395f2afeb SHA-256: 026a377145ce24df9eb3ca5c138ee8a998fab1f66e24e6696923f6eec20433bb
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, identified by heuristics as a potential phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to a malicious site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://leonvi.ru/award?keyword=yaesu+ft-2900r+operating+manual PDF link annotation
    • http://prodit.space/cute_yellow_mouse_keyboard_themesn5dwz.pdfIn PDF document text
    • https://cdn.sqhk.co/lomasamube/eXzjAgg/5208739797.pdfIn PDF document text
    • http://vipimuxatomefi.medianewsonline.com/fifth_grade_high_frequency_sight_word_list.pdfIn PDF document text
    • https://cdn.sqhk.co/lewiwifo/5icgDsp/82423217159.pdfIn PDF document text
    • https://cdn.sqhk.co/sewujuzanas/ja9F2oh/invaluable_definition_francais.pdfIn PDF document text
    • http://nitalesilafatem.22web.org/22102059394.pdfIn PDF document text
    • https://cdn.sqhk.co/levowexesu/eTjfiiU/king_herod_and_baby_jesus.pdfIn PDF document text
    • http://successinyourlif.website/yoga_mudra_information_in_english22fv8.pdfIn PDF document text
    • http://kamikofonem.mygamesonline.org/61409528013.pdfIn PDF document text
    • http://rezltml.xyz/tasuropelojuj70a0x.pdfIn PDF document text
    • https://cdn.sqhk.co/difigobon/ljg9Bhc/90s_hits_playlist_free_download.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/xaliwalufoguni/informal_letter_of_resignation_template.pdfIn PDF document text
    • http://zexubadisaki.rf.gd/lajudutijaju.pdfIn PDF document text
    • https://s3.amazonaws.com/zesixefe/coraline_comic_book.pdfIn PDF document text
    • https://s3.amazonaws.com/vebogotexaf/event_management_system_website_templates.pdfIn PDF document text
    • https://s3.amazonaws.com/babetafaperaxov/ccnp_route_book_download.pdfIn PDF document text
    • http://dapizodipe.myartsonline.com/bopexezajopawuvawopozer.pdfIn PDF document text
    • http://tirinito.epizy.com/63007152209.pdfIn PDF document text
    • https://s3.amazonaws.com/pojikovewijeja/forms_of_oral_lichen_planus.pdfIn PDF document text
    • http://siwojanapav.epizy.com/kokiropulix.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_off0000eb2f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB2F 5644 bytes
SHA-256: 187f66433b0fdb309a9af354eea4fd49bac267133cade4d2303f9b622c7df803
font_01_sfnt_off0000fe51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE51 10676 bytes
SHA-256: 5403914580971528d6a6e0b7c0c656532ae66f4bdb2f9c65c6624730c48703fe

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