Malicious PDF — malware analysis report

Static analysis result for SHA-256 01349352bd9b2c1d…

MALICIOUS

PDF

242.4 KB Created: 2021-04-19 01:42:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 6db1e0ab8efd5465bfae81340bb0a0b5 SHA-1: 7d73737f640ccc9b1f8200b55dbec578c524634d SHA-256: 01349352bd9b2c1d38f03d5f510025e8c386abd89e5389e2ed9b7c67d2227174
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URL pointing to a suspicious domain, likely intended to deliver a malicious payload. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, suggests a lure related to 'missing books of the bible enoch'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9883

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://resalured.ru/strik?utm_term=missing+books+of+the+bible+enoch PDF link annotation
    • https://cdn.sqhk.co/xosaletozobi/hKflijd/verb_and_adjective_form_of_courage.pdfIn PDF document text
    • https://cdn.sqhk.co/lafuwexale/fhiqIhb/13647471083.pdfIn PDF document text
    • http://sezejawi.mypressonline.com/carnatic_music_book_malayalam.pdfIn PDF document text
    • https://cdn.sqhk.co/nulaliki/bzaIAid/fruit_ninja_classic_apk_uptodown.pdfIn PDF document text
    • https://cdn.sqhk.co/jigitovewuk/jbe42jj/animals_coloring_book.pdfIn PDF document text
    • http://rivafijozamu.iblogger.org/mamulomuxed.pdfIn PDF document text
    • http://veselutut.mywebcommunity.org/12926452951.pdfIn PDF document text
    • https://cdn.sqhk.co/lididiregi/Ixgihbi/my_pillow_reviews_bbb.pdfIn PDF document text
    • http://fobativ.mywebcommunity.org/lelafuletupusubomixuja.pdfIn PDF document text
    • https://cdn.sqhk.co/poronujefino/zgiS8hj/big_bang_theory_season_13_release_date.pdfIn PDF document text
    • https://cdn.sqhk.co/veleviziwew/yjfn2uu/80s_lcd_games.pdfIn PDF document text
    • https://cdn.sqhk.co/ragonujip/ehj1xO6/cornell_university_viticulture_and_enology_experience.pdfIn PDF document text
    • https://cdn.sqhk.co/rodisukipi/hhpVXfO/lamazalodiw.pdfIn PDF document text
    • http://rijoginijamibeg.mypressonline.com/10968986557.pdfIn PDF document text
    • http://firobazotu.sportsontheweb.net/50596632469.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd6ab4bd-8e8f-4b7f-a15a-63781fd1e32a/getaza.pdfIn PDF document text
    • http://wejufutaz.onlinewebshop.net/aircraft_maintenance_engineer_resume_template.pdfIn PDF document text
    • http://likutolejit.onlinewebshop.net/adobe_illustrator_cc_bangla.pdfIn PDF document text
    • http://tikavufuku.rf.gd/wafuzefuvupitadadagaduse.pdfIn PDF document text
    • http://sapakebozo.rf.gd/comparative_adjectives_pictures.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4e2dfb20-3c13-477e-87f7-31b28db07080/how_to_add_mendeley_web_importer_to_chrome.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/59f18079-2830-4f7d-8c79-9d2c38a7c2a6/brother_mfc-j5910dw_service_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/389cf7b3-6672-4191-965d-7b9b09c9ca41/resuxuga.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e97c7ef-3040-4139-9246-6069685541b3/que_es_composicion_artistica.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_off000384cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x384CC 5048 bytes
SHA-256: 61cb87021996fb84fa2879fefdb0fd867168cffdc2505715b991aab24675e2a4
font_01_sfnt_off00039617.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39617 10868 bytes
SHA-256: d9862a43e48231cbce66d78fef759822540041be3123962b5eb30738fefa6bb8

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