Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c52d92c06503162…

MALICIOUS

PDF

78.3 KB Created: 2020-12-08 03:27:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 39f28fb12142cf66e57fe3b8c07bd8b3 SHA-1: 396f079e8aa3db881c76d03c4f0a59b6ea35935b SHA-256: 5c52d92c06503162b8595258f7bccd975e49e6da00e880d30d52d5a93e6eead8
154 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'power rangers spd games free download' and embeds a URL that is flagged as a malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect the user to a phishing or malware distribution site. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

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
  • 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.
  • 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://traffking.ru/123?utm_term=power+rangers+spd+games+free+download In PDF document text
    • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/bc2cb.pdfIn PDF document text
    • https://kiwusaxanasatip.weebly.com/uploads/1/3/0/7/130738973/jonirufujakoxiz-kixib-kuxexiwixafabe-lejatubitugukuw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422390/normal_5fa56b2cb5a46.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384835/normal_5f9cda56f366a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402488/normal_5fbcba9d53f47.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383806/normal_5f8e810cc6d52.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384320/normal_5f936c108ae55.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/jeromopelurab/camarilla_pivot_points.pdfIn PDF document text
    • https://s3.amazonaws.com/jusagi/pivomizib.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a64fdf98-4b6f-4029-b22b-bd5a1ec27458/2126135914.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc58aa0f7cf8c75404a4187/t/5fc63e4f4f98375720b357b8/1606827607624/homemade_raspberry_jam_frozen_berries.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc3797e5e8e827d429e31b4/t/5fce579e978da30c562eddf9/1607358366841/paper_mario_amazy_dayzee.pdfIn PDF document text
    • https://s3.amazonaws.com/jujojomojemiz/making_inference_worksheets_high_school.pdfIn PDF document text
    • https://s3.amazonaws.com/zamuriza/algebra_1_chapter_5_resource_book_answers.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcfba779c08c7f2b9edc67/1606220712832/whirlpool_wdf540padm_dishwasher_not_draining.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5443c24b06a7eb31c46ee/t/5fcb274c1415195da0810c8a/1607149388787/47658797339.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49c31dca-a450-4eb2-98f1-939272b72199/the_black_cauldron_book_disney.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0dde4403f5353fd9590af/t/5fc173b4f3de5e49b59b71a1/1606513588865/around_the_world_in_80_days_questions.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_off0000f58f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF58F 5456 bytes
SHA-256: 12882df97d8465242a8d0c1d52b1eff9c1f6cc4a15ea1b058df50f55e53c1a20
font_01_sfnt_off0001081e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1081E 10420 bytes
SHA-256: dc9035502306d91b077dd5934df93b61b183c1f8bd1d81f47800d3f6d0bc7db2

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