Malicious PDF — malware analysis report

Static analysis result for SHA-256 d83bdc7ce741b1a9…

MALICIOUS

PDF

76.8 KB Created: 2021-03-23 22:51:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d5566295b19c5eab1d7e84012d81546 SHA-1: 234f36d2db05b678a5c01d6125faff05c34a871e SHA-256: d83bdc7ce741b1a977d4e61155a6206cd851d0a5fa2a7a26106f72ff26a407da
104 Risk Score

Malware Insights

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

The PDF contains an embedded URL pointing to a resource related to 'metasploit pro license key crack', indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of multiple unknown URLs further supports the likelihood of this document being used to distribute malware or lead users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://kuzutuzo.ru/strik?utm_term=metasploit+pro+license+key+crack
    • http://uanews.website/concrete_admixtures_freee9d4x.pdf
    • https://cdn-cms.f-static.net/uploads/4402252/normal_5fe7a58256662.pdf
    • http://tapidiv.medianewsonline.com/advantages_and_disadvantages_of_renewable_and_nonrenewable_resources.pdf
    • http://dombitarf.ru/if_you_can_change_your_mind_you_can_change_your_life_kannada_meaning2fprn.pdf
    • https://cdn.sqhk.co/mugapowejog/VJjjTje/36016301567.pdf
    • https://cdn.sqhk.co/matajikiwov/zjhiiHJ/65646938602.pdf
    • https://cdn.sqhk.co/navozaxezini/icgdP7A/23971204972.pdf
    • http://it50disconto.info/what_name_means_daughter_of_godt9njg.pdf
    • http://wimudevereru.sportsontheweb.net/40830131188.pdf
    • http://helpcontactform.com/jibeloluliwoy5om7.pdf
    • http://modernstyle.pro/fasttrack_guitar_method_book_1cp7oz.pdf
    • https://cdn.sqhk.co/sirijunubi/dMjatig/tripp_trapp_harness_without_baby_set.pdf
    • http://keniworu.mywebcommunity.org/honda_gcv160_illustrated_parts_list.pdf
    • https://cdn.sqhk.co/xuzuvazol/ifgjjfz/movofuvulexujibegizabifi.pdf
    • https://static.s123-cdn-static.com/uploads/4444850/normal_5feb773e8b4bf.pdf
    • https://cdn.sqhk.co/numokafas/iiphdo3/cookie_clicker_unblocked_games_66_at_school.pdf
    • http://gesetaxoxu.sportsontheweb.net/odisha_news_paper.pdf
    • https://static.s123-cdn-static.com/uploads/4481280/normal_5fd04a0b32874.pdf
    • https://cdn-cms.f-static.net/uploads/4427267/normal_6053908940140.pdf
    • https://static.s123-cdn-static.com/uploads/4462379/normal_5ffa6f4a3294a.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/xeponodij/mifi_6620l_antenna_adapter.pdf
    • https://s3.amazonaws.com/ronenitevodo/staff_employment_details_template.pdf
    • https://s3.amazonaws.com/pesetufavo/bagofevaxufuna.pdf
    • https://s3.amazonaws.com/fovezewi/android_version_4._0._4_update.pdf
    • https://s3.amazonaws.com/rutufokedizon/pukag.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed13.bin
2a90deb0e73be4baed9d2bee164e3fde8c469f6e79be29ddbb64bbd697fb564e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED13 5100 bytes
font_01_sfnt_off0000fe90.bin
1f5732a53cbb00e94fec7fce39a9dbb28870e787bd19e5de51b5d1abc191cac4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE90 11392 bytes

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