Malicious PDF — malware analysis report

Static analysis result for SHA-256 248e5502c1768653…

MALICIOUS

PDF

75.6 KB Created: 2021-03-04 11:26:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 1376a557ddf0f645d00b5384cd0d4f6d SHA-1: ac67b945c33a73e3c5f96da684c2281f3dcd4461 SHA-256: 248e5502c176865360cf1671785ece2844b4b0423834f690b6a37445bfb518e6
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://bologen.ru/123?utm_term=how+to+find+my+vedic+astrology+sign PDF link annotation
    • http://kiwenalod.medianewsonline.com/how_to_set_g_shock_ga_110.pdfIn PDF document text
    • http://jedusajinud.mygamesonline.org/baby_girl_clothes_3-6_months_uk.pdfIn PDF document text
    • https://sasadopebob.weebly.com/uploads/1/3/5/3/135324308/joxij.pdfIn PDF document text
    • http://copyrighthelpbusiness.net/how_to_find_my_frigidaire_oven_model_numberbq508.pdfIn PDF document text
    • http://taforojujutusig.mygamesonline.org/formula_para_convertir_de_pulgadas_a_cm.pdfIn PDF document text
    • https://gegilegaf.weebly.com/uploads/1/3/1/3/131383227/8370599.pdfIn PDF document text
    • http://repair-kompov.ru/azamara_pursuit_ship_historyys6de.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445866/normal_5fd826f38294d.pdfIn PDF document text
    • http://nenegifivujaxu.mypressonline.com/nesix.pdfIn PDF document text
    • http://jikusofare.mywebcommunity.org/how_to_get_your_service_engine_light_off.pdfIn PDF document text
    • http://modozadubop.mywebcommunity.org/55406658951.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414695/normal_5fe66a6e438bd.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/dudurat/vidok.pdfIn PDF document text
    • http://pezamax.myartsonline.com/tijenujoduwedibuxovodaba.pdfIn PDF document text
    • https://s3.amazonaws.com/lazesej/82122253387.pdfIn PDF document text
    • https://s3.amazonaws.com/zunaporam/chocolate_girl_song_mr_jatt.pdfIn PDF document text
    • https://s3.amazonaws.com/muwomapotumugi/phases_and_eclipses_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/cinemavilla_2018_tamil_new_movie_s.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_off0000eb19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB19 5556 bytes
SHA-256: 32c6cc2c3e1dcd3fb43d1207290fd5c3e8935c82de923ced395ec83bc4d022b1
font_01_sfnt_off0000fe05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE05 10284 bytes
SHA-256: 17b9eb438e153e9ed2f332093d4a4b70dbd644e514ce5cd308b992177dcf486e