Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed5e5d5784978f4b…

MALICIOUS

PDF

70.0 KB Created: 2021-03-06 10:19:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: d04c8cbd1bd1e356d32f25bd009ace39 SHA-1: 03e17d36a2c3aa883d4cb6220d06957bee7cbe3b SHA-256: ed5e5d5784978f4b40b4212436d2ae0a0900096c3bddb7a774eb78b74f83875f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://botokaw.ru/wix?keyword=lemonade+world+class+fireworks PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4425909/normal_5fd1e87398972.pdfIn PDF document text
    • https://cdn.sqhk.co/dewufidabo/87iiwie/dafokexarironojolenavupez.pdfIn PDF document text
    • http://setopin.mypressonline.com/advance_math_formula_in_hindi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486344/normal_60195a9a40f50.pdfIn PDF document text
    • https://cdn.sqhk.co/vixawutozama/jjjbjbO/box_office_tycoon_mod_apk_happymod.pdfIn PDF document text
    • http://mareson.getenjoyment.net/xemufib.pdfIn PDF document text
    • https://cdn.sqhk.co/rusukumuva/hbjhhfh/firevikibojib.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384642/normal_5fce12ffef739.pdfIn PDF document text
    • http://nizavevorupuj.mywebcommunity.org/69365516495.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383915/normal_5fcea6e0c0616.pdfIn PDF document text
    • https://cdn.sqhk.co/fazovivum/aWWhhvn/openttd_firs_3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://0503187d-52cd-4237-9521-a3cb9bf551ae.filesusr.com/ugd/5bb01c_a91036f7b9004f14ad3a793a9c5f5d0c.pdf?index=trueIn PDF document text
    • https://24218389-b518-4ca3-8548-65eaf758daa4.filesusr.com/ugd/c836c3_318525a156974e3fb2428ce444d6483f.pdf?index=trueIn PDF document text
    • https://e50eee24-2d95-422d-8083-6f618d95927b.filesusr.com/ugd/594ae5_0871188806084d5fbba4ed7c5fe3546d.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/memexelu/90024410244.pdfIn PDF document text
    • https://75a697d3-84f0-44cf-bab9-f05e37020c50.filesusr.com/ugd/7c3584_37e80e8d2d1c41ceb60fc1630f1ec091.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fovezewi/xixoramepafiwajanekakag.pdfIn PDF document text
    • https://93dbb2ad-f1e8-4c6c-adfd-2ef134399473.filesusr.com/ugd/df4650_73f3123947fb40dc9a14635265be40e8.pdf?index=trueIn PDF document text
    • http://ladurabazidema.onlinewebshop.net/charlie_and_the_chocolate_factory_scenes_list.pdfIn PDF document text
    • https://3c8197b3-f999-4f29-b3da-fbdfea3dbf34.filesusr.com/ugd/0047a4_fe8a41d35daf44fc9981e5a86218229b.pdf?index=trueIn 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_off0000d512.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD512 5264 bytes
SHA-256: ce40a6baa2280ce063b759cbd0e5f7a3a07e446270788d1a1054d5f5741b3ee0
font_01_sfnt_off0000e6fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6FB 10468 bytes
SHA-256: 33b290d78979ca0b556224a784553ee727d2ed49c2ab0e485893e2bdfa78f3c9

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