Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e4b4589c3a49820…

MALICIOUS

PDF

71.9 KB Created: 2021-02-15 12:02:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: ccce7d118951528b63c026c300145c2d SHA-1: 9a6d46a7c84df16bdcdd1e29458256d18cfaa5d1 SHA-256: 8e4b4589c3a4982037f194616aea9f8b320492d312bbd5349b3144b2b3cfce0a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://baarspo.ru/wix?keyword=remembering+the+forgotten+god+pdf PDF link annotation
    • https://pifujikis.weebly.com/uploads/1/3/4/8/134875168/5110950.pdfIn PDF document text
    • https://cdn.sqhk.co/safubuguva/mvKjigd/bikeva.pdfIn PDF document text
    • https://cdn.sqhk.co/sozasusu/7whbggi/dhoom_4_cast_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/jebavimot/cM8rDke/maze_runner_scorch_trials_cast_interview.pdfIn PDF document text
    • http://promooffer.site/bair_hugger_775_service_manual_deutschx70j7.pdfIn PDF document text
    • https://cdn.sqhk.co/pidodalatip/ifNjhu0/sleep_booster_sleep_better_reviews.pdfIn PDF document text
    • http://azorocheat6.xyz/33975775846lqqyv.pdfIn PDF document text
    • http://new-volosi.ru/namikakavewozuguzutowatvsdh6.pdfIn PDF document text
    • https://cdn.sqhk.co/wikelere/gB6hh8p/pezepozizakafoganuz.pdfIn PDF document text
    • https://cdn.sqhk.co/fumamimed/jjghjjb/dragon_goby_diet.pdfIn PDF document text
    • http://tophomework.space/mfj-989d_3kw_antenna_tunercif3j.pdfIn PDF document text
    • http://playmarket-online.com/freakonomics_movie_worksheet_answersidomu.pdfIn PDF document text
    • http://iminn.ru/48772615321hzcq5.pdfIn PDF document text
    • https://cdn.sqhk.co/jowapezo/Kjevkgd/97854919176.pdfIn PDF document text
    • http://fakaripeti.xyz/animoto_video_maker_apkpuren8mf4.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/tiniruru/worry_free_business_security_standard_10._0.pdfIn PDF document text
    • https://s3.amazonaws.com/nitajosasa/circle_theorems_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bifadiwuwileji/bertelli_1947_sheets.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_off0000de59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE59 5184 bytes
SHA-256: ff97cda9297a2c75763af40ba428efdba33f5b399a67bb876efaae5706d09f3c
font_01_sfnt_off0000efd4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFD4 10092 bytes
SHA-256: 8b06f25663dfaca96ddc9ce32f53f233a47d612594decbfa081dcfc4a2c03d01