Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ee93a7e318bb204…

MALICIOUS

PDF

77.0 KB Created: 2021-03-17 18:44:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff13c8fc49835dcb01c5d1c0dad22b7d SHA-1: d2fb4e1961e5a27753ca7a8af7fee5e434afdf6e SHA-256: 0ee93a7e318bb204990640f0cb1960abd215d3212e042370e07de922710162b0
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that mimics a search engine result, aiming to trick users into visiting a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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
  • 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/strik?utm_term=what+is+the+inside+of+a+tree+trunk+called
    • http://igafnd.org/8940612939ho1t7.pdf
    • http://astrohelp.space/51918321513dmtlk.pdf
    • https://rinotawobuv.weebly.com/uploads/1/3/4/7/134768279/gezorizufim_nevinut_vabaluw_rijasutusu.pdf
    • http://nonowun.mywebcommunity.org/how_to_remove_a_cystic_pimple.pdf
    • https://vijunefuk.weebly.com/uploads/1/3/4/5/134588972/ralolewo.pdf
    • http://fomigiv.mypressonline.com/ncert_solutions_for_class_9_science_physics_chapter_work_and_energy.pdf
    • http://duwuzoruperiged.scienceontheweb.net/mg_university_bcom_syllabus.pdf
    • https://xudorelaguf.weebly.com/uploads/1/3/0/8/130813521/4913012.pdf
    • http://zuxekagapefe.mygamesonline.org/calculating_slope_of_a_line.pdf
    • https://bulasekujamur.weebly.com/uploads/1/3/4/3/134377464/da337d18832a766.pdf
    • http://takipibimaxubov.sportsontheweb.net/how_to_charge_a_virgin_pulse_max_buzz.pdf
    • http://whysmall.space/controle_les_villes_dans_la_mondialiy2gyr.pdf
    • http://lusanubi.22web.org/basaltic_lava_erupts_within_the_rift_forming.pdf
    • https://sexuviruzimi.weebly.com/uploads/1/3/2/8/132814305/katamelamobir.pdf
    • http://zugugalepew.mypressonline.com/23107123653.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://bukevixu.epizy.com/best_gift_for_teachers_day_in_india.pdf
    • http://bolirazebaf.myartsonline.com/devix.pdf
    • http://sesufutix.rf.gd/lizol.pdf
    • https://uploads.strikinglycdn.com/files/305f5b1a-15f1-47d7-a01c-92b921d30a09/bodewakekosajogem.pdf
    • https://uploads.strikinglycdn.com/files/e36c5016-54c5-426a-a42f-92082b97dbf5/how_many_miracles_in_the_bible.pdf
    • https://uploads.strikinglycdn.com/files/3f8dc747-c6c3-4684-ae3e-8d0a22a5d93e/zurilenodoroputo.pdf
    • http://tivakifuzir.atwebpages.com/how_to_replace_a_fuel_pump_on_a_1998_dodge_ram_1500.pdf
    • https://uploads.strikinglycdn.com/files/0eeac4c6-bca8-4ac4-bec1-3af325f7bee6/sogesokerogadok.pdf
    • http://jagutebi.epizy.com/dabupuxabixe.pdf
    • http://dapogilobanonop.rf.gd/95587380787.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e416.bin
ac8690ae310ccd5415f3e18519c8097817e033c5283c8eb8aee91b68288d0441		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE416 5068 bytes
font_01_sfnt_off0000f54e.bin
40e31f16e38b1538aa11a632491c6c6e0b07b899146b6d9c08e40bfcecd5d7ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF54E 10208 bytes
font_02_sfnt_off00011838.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11838 4324 bytes

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