Malicious PDF — malware analysis report

Static analysis result for SHA-256 6505ae0a3486eeda…

MALICIOUS

PDF

82.5 KB Created: 2021-03-22 16:21:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 988f2fc0c0b9bd9b6a8ea24b7ef322d8 SHA-1: 50e99ad3a0c2e3d54439471f31b5688e21c3fff2 SHA-256: 6505ae0a3486eeda28c00d50f544c0d7d4a04f879ebf546780cc24c756f91b07
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that directs users to a website related to playing a pan flute, likely as a lure. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. Although no scripts were explicitly extracted, the presence of embedded URLs and the overall nature of the heuristics suggest this document is designed to redirect users to a malicious site, potentially for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://druttle.ru/wix?keyword=how+to+play+a+pan+flute PDF link annotation
    • https://cdn.sqhk.co/sesijisova/iaibbS5/final_fantasy_crystal_chronicles_remastered_release_date_australia.pdfIn PDF document text
    • https://cdn.sqhk.co/zuxifobiro/fgfCw3z/best_calendar_for_windows_10_and_android.pdfIn PDF document text
    • https://cdn.sqhk.co/gegefemorosu/as2iahh/ba_dum_tshh.pdfIn PDF document text
    • http://tularafujebok.iblogger.org/welcome_banner_vector_free.pdfIn PDF document text
    • https://cdn.sqhk.co/komukopa/l7rij6m/brazil_simulator_2_premium_apk_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/luxanimev/dHhdNRC/bichagadu_cinema_songs_naa_songs.pdfIn PDF document text
    • https://cdn.sqhk.co/fosuzonarefi/X8vjcpo/filmorago_app_crack.pdfIn PDF document text
    • https://cdn.sqhk.co/rifarako/g0JYji8/zakibege.pdfIn PDF document text
    • https://cdn.sqhk.co/letojeka/iiSk0QS/power_wheels_jurassic_worldtm_dino_racer.pdfIn PDF document text
    • https://cdn.sqhk.co/fefowofuk/jbNl5jh/broken_screen_prank_wallpaper.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/9ecc4579-1590-42b1-ae86-1ca9d620c8f2/530790343.pdfIn PDF document text
    • http://puxejinasor.epizy.com/imo_messenger_for_pc_windows_7.pdfIn PDF document text
    • https://s3.amazonaws.com/gujutavevive/rizakupeboxuxukubi.pdfIn PDF document text
    • https://s3.amazonaws.com/pokorevalaxex/average_without_outliers_google_sheets.pdfIn PDF document text
    • http://tuvawewopuje.rf.gd/pancs_plantas_alimentcias_no_convencionais.pdfIn PDF document text
    • https://s3.amazonaws.com/muwomapotumugi/37384500550.pdfIn PDF document text
    • http://xorudolowipax.epizy.com/springer_journals_list.pdfIn PDF document text
    • https://s3.amazonaws.com/jawusawar/siniparanexeti.pdfIn PDF document text
    • https://s3.amazonaws.com/jaloto/kirigami_spinning_card_template.pdfIn PDF document text
    • https://s3.amazonaws.com/widiku/types_of_android_version.pdfIn PDF document text
    • https://s3.amazonaws.com/mafavuzenoliki/lagu_camelia_malik_aduhai.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b844c1c8-84ad-4f1d-9b91-66914d43ffa6/yamaha_yas-101_manuale_italiano.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_off0000fb1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB1F 4612 bytes
SHA-256: 7e994862e1223e5bc76dbe374fe049453ebfeb3f6f6342af7ea9f28d55e2e1a5
font_01_sfnt_off00010af4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10AF4 10548 bytes
SHA-256: c29c8bf1ec1e0cdbe66a86961e2bc23247020293aeabff4184102ef9ca536f36
font_02_sfnt_off00012e85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12E85 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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