Malicious PDF — malware analysis report

Static analysis result for SHA-256 369923853aa6df41…

MALICIOUS

PDF

69.7 KB Created: 2021-02-25 02:11:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: d7d72db3366da8996961911331192f29 SHA-1: 9c08bb5135ffbc97a99930655ae861fd4918de78 SHA-256: 369923853aa6df41c89a2ab7d30356436cf48658f21ecf78506f3ffc9302db21
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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://leonvi.ru/award?keyword=alesis+q25+25-key+usb+midi+keyboard+controller PDF link annotation
    • http://fazejajogavu.medianewsonline.com/best_pll_algorithms.pdfIn PDF document text
    • https://linikakisevokeg.weebly.com/uploads/1/3/6/0/136098208/bumujosukemoti.pdfIn PDF document text
    • http://fekevopimibun.sportsontheweb.net/marieb_anatomy_and_physiology_10th_edition.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451210/normal_5fc7ecb5f0510.pdfIn PDF document text
    • https://cdn.sqhk.co/sozivowemin/twVjarA/my_little_pony_story_creator_mod.pdfIn PDF document text
    • https://sifukimoja.weebly.com/uploads/1/3/4/3/134357082/a0dffb3.pdfIn PDF document text
    • https://muxetomanudone.weebly.com/uploads/1/3/1/4/131406273/3162b97813.pdfIn PDF document text
    • http://jegoxijiruvika.22web.org/what_is_after_a_new_moon.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4468540/normal_603429ebafdcd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453540/normal_602f84e3e0b42.pdfIn PDF document text
    • http://pogawubujogeje.mypressonline.com/la_casa_de_los_espiritus_pelicula_completa_cuevana.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451742/normal_5fdbb86e6a47d.pdfIn PDF document text
    • https://xonuguzuv.weebly.com/uploads/1/3/1/3/131382030/jiwewaz-derakarim-mutaz.pdfIn PDF document text
    • https://pimefukidipobe.weebly.com/uploads/1/3/4/0/134096137/8545600306d3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d1b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1B6 5796 bytes
SHA-256: 2653e6cd89db5be3eb3886aad45e4415ee9efdf3494c57568536efdd08e15d03
font_01_sfnt_off0000e56e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE56E 10660 bytes
SHA-256: cca61f3396c6d75bfcaade7bc08a6be54293096b6ba56b7e3b68273c2f300e9b