Malicious PDF — malware analysis report

Static analysis result for SHA-256 114ef9bbe667d681…

MALICIOUS

PDF

81.6 KB Created: 2021-04-21 16:41:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: 9a9ff3f58376ad1ec2052501b69f5756 SHA-1: 141f4d2b795d55b60994bf1e5aabd45f2383040c SHA-256: 114ef9bbe667d6811b8807db898b0c0e0748bd82aeae53ea9a61541fdd87b2d0
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a phishing site disguised as a song lyric search result. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of external URIs and the overall nature of the content suggest a phishing lure designed to redirect users to a malicious domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://xezojetit.ru/strik?utm_term=someone+like+you+adele+spanish+lyrics PDF link annotation
    • http://dom-bita.org/31569086903ozujw.pdfIn PDF document text
    • https://cdn.sqhk.co/tupujokuz/TRsfihM/dadite.pdfIn PDF document text
    • https://cdn.sqhk.co/dasisogi/hjsjinn/zig_zag_sharing_minuti_gratis.pdfIn PDF document text
    • https://cdn.sqhk.co/dipasupor/ihKghhj/national_geographic_magazine_vk.pdfIn PDF document text
    • https://cdn.sqhk.co/murafabu/3jiGhh8/foldersync_app_android.pdfIn PDF document text
    • https://cdn.sqhk.co/digubamot/i2PPAjh/zombie_tsunami_firework.pdfIn PDF document text
    • https://cdn.sqhk.co/xubuzivo/QUghhZJ/xemozaxunawuwole.pdfIn PDF document text
    • http://timelessdecorum.com/black_magic_bookebpns.pdfIn PDF document text
    • https://cdn.sqhk.co/nokotadi/iijAgi2/zuvesexegez.pdfIn PDF document text
    • https://cdn.sqhk.co/zivuronufepu/icjbRVF/48811618891.pdfIn PDF document text
    • https://cdn.sqhk.co/gejixoneku/vjhjjih/32039129048.pdfIn PDF document text
    • https://cdn.sqhk.co/suwapipejob/XvYjqTz/christian_songs_about_finding_peace.pdfIn PDF document text
    • https://cdn.sqhk.co/zevinikiwi/AbghZzI/150_pounds_to_dollars_in_1920.pdfIn PDF document text
    • https://cdn.sqhk.co/rabataxuvax/A6aidzQ/56375346770.pdfIn PDF document text
    • https://cdn.sqhk.co/linewebozid/geKebLR/66609473828.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://uploads.strikinglycdn.com/files/58d1518f-5401-47a6-99d1-4c8a4daf6ceb/gorirefuru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4fdaae7c-a4ef-4b3c-9b6a-a0dbc23b9c88/rerizexurepalirawu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c4daa9bb-660a-4b1a-bbab-aadbd9587828/rakexevusadijadizu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7003f4a2-e3bf-4bb2-b098-bcf62c1be9d4/86545248967.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/964a8014-f105-48ed-bbe6-f956f94c143d/kenwood_kmm_bt312u_miswiring.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a96e6eb8-008c-4b9e-bdfa-33c5c66db0dd/temamixetisovafuzidikemeg.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be8fe94e-a9ae-4ea2-9680-ee0ff990f0e9/kewij.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6d333306-bed2-4058-8c93-0c606fc54b6e/how_to_connect_belkin_n300_range_extender.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c2f9274-c5ea-4459-8ab2-4552e5a1541b/fofevoxezogofekim.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_off0000f1b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1B6 5384 bytes
SHA-256: 01f57d2c8720ed6edf6cdfe09884d40cbec539bf03772b29998a2786a1addc17
font_01_sfnt_off000103c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103C7 12004 bytes
SHA-256: 8a33da3573b46a5d17dd3820132b96e2073dba5bbdfc40cdb9c9a6207f98118d
font_02_sfnt_off00012ae1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12AE1 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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