Malicious PDF — malware analysis report

Static analysis result for SHA-256 24fba3415adf4f92…

MALICIOUS

PDF

72.1 KB Created: 2020-12-15 19:54:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff307f6daec3854f92a3d1ec42149e9a SHA-1: bd1f214928f4e3443bf6bcdc726d85f7bf873fd4 SHA-256: 24fba3415adf4f92c86b73875bff04914985f2240eb4b7513145bcb26a4ae320
162 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a search result for 'Naruto the last full movie google drive'. This link, https://gettraff.ru/123?utm_term=naruto+the+last+full+movie+google+drive, is flagged as malicious and likely leads to a phishing or malware distribution site. The document's structure and the presence of embedded URLs, combined with a high ML score and ClamAV detection, strongly indicate a malicious intent to trick users into clicking the link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://gettraff.ru/123?utm_term=naruto+the+last+full+movie+google+drive
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/4a60ce3f-c46e-4111-b797-7e6c309b83e2/on_the_apostolic_preaching.pdf
    • https://uploads.strikinglycdn.com/files/64b941b9-e864-4e80-a4ab-7fd6ee917b0a/scholastic_success_with_grammar_grade_5.pdf
    • https://s3.amazonaws.com/sevoga/69915186384.pdf
    • https://uploads.strikinglycdn.com/files/5e9c7567-b2c0-4098-9c9b-599fc5f07a1f/wasasaxewudisupurujavoko.pdf
    • https://uploads.strikinglycdn.com/files/cd87eb5c-76da-49d8-9689-aab6b7d7a6dc/xanamojavazewaruxazoguta.pdf
    • https://uploads.strikinglycdn.com/files/0fdef3ee-d569-4b4f-bab9-7f8f570c4cfb/super_mario_crossover_2_newstudyhall.pdf
    • https://static1.squarespace.com/static/5fc5331d17e72026400627cf/t/5fc9e3ca41142a3c4b414583/1607066571311/blue_bottle_marine_coupon_code.pdf
    • https://s3.amazonaws.com/dudigonifu/56828517057.pdf
    • https://s3.amazonaws.com/laradusa/59169554965.pdf
    • https://uploads.strikinglycdn.com/files/afd916b4-9d27-4bc3-b417-b73eea5bfb25/4052049369.pdf
    • https://uploads.strikinglycdn.com/files/ab1491e4-bf78-4c9b-9274-6ab0c7601227/missing_angle_worksheets_kuta.pdf
    • https://uploads.strikinglycdn.com/files/07bd4f92-fdad-4ffb-b149-12d546814430/dnd_5e_players_handbook_reddit.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cfa4.bin
2f2e8238b85dc6b2453840c74ae84c02514713496c6116977fecbc8a9e44e238		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCFA4 5128 bytes
font_01_sfnt_off0000e12a.bin
92171b3290eede706067e18feafcde3b87c7c0c9a0feba1dd84c103faad39757		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE12A 10676 bytes
font_02_sfnt_off000105ab.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x105AB 4324 bytes

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