Malicious PDF — malware analysis report

Static analysis result for SHA-256 f67e4bb476e69ede…

MALICIOUS

PDF

87.8 KB Created: 2021-03-31 12:17:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: e1b83d274c932c79680b4e112d30c2b2 SHA-1: 38a1a2d184eaa26472096453d5d84acb946192fd SHA-256: f67e4bb476e69edeaa78db73acce4d183a2b61af0928bc8c74fc407efe6934a5
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://dugedepap.ru/123?utm_term=vocabulaire+m%25C3%25A9dical+anglais+fran%25C3%25A7ais+pdf PDF link annotation
    • http://najisemure.medianewsonline.com/xawowawilepigara.pdfIn PDF document text
    • https://cdn.sqhk.co/rozesivotix/4gf0ic3/temofajazaritanuno.pdfIn PDF document text
    • http://ziwusis.getenjoyment.net/denervation_hypersensitivity_meaning.pdfIn PDF document text
    • http://soferijivav.getenjoyment.net/surah_al_an_am_urdu_translation.pdfIn PDF document text
    • https://cdn.sqhk.co/vitimosugu/hNghggp/brasfoot_2020_patch_estaduais.pdfIn PDF document text
    • https://cdn.sqhk.co/vopunokapire/bijLDnD/83771264246.pdfIn PDF document text
    • https://cdn.sqhk.co/mawejoxejobe/jhhUB7n/sopedomuxisob.pdfIn PDF document text
    • http://gidonuvawugirid.medianewsonline.com/spanish_food_vocabulary_activities.pdfIn PDF document text
    • http://tiziwosujo.22web.org/76223487972.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413977/normal_604d15c37ec04.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410459/normal_603173da75ebc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/lupebesu/41982260240.pdfIn PDF document text
    • https://s3.amazonaws.com/vukusa/76545441715.pdfIn PDF document text
    • https://s3.amazonaws.com/fotojipifuzitul/jemufalovitisawunezi.pdfIn PDF document text
    • http://memepev.myartsonline.com/80364058979.pdfIn PDF document text
    • https://s3.amazonaws.com/xoxaneral/chartwell_specialty_pharmacy_forms.pdfIn PDF document text
    • https://s3.amazonaws.com/zurovajij/aterrados_full_movie.pdfIn PDF document text
    • http://sobuzazan.rf.gd/guidelines_for_content_uniformity_of_tablets.pdfIn PDF document text
    • http://dejexek.epizy.com/bible_quiz_deuteronomy.pdfIn PDF document text
    • http://lolowavedipugis.rf.gd/collar_x_malice_okazaki_guide.pdfIn PDF document text
    • http://wowifimeziv.rf.gd/hiv_testing_guidelines_cdc.pdfIn PDF document text
    • https://s3.amazonaws.com/vezumobigodub/zozedunifotosukogukuruwad.pdfIn PDF document text
    • https://s3.amazonaws.com/zodawanuror/what_does_the_bible_say_about_blind_spots.pdfIn PDF document text
    • https://s3.amazonaws.com/lorugipopuxe/jomelitopaditutiguwosoxa.pdfIn PDF document text
    • https://s3.amazonaws.com/guxosa/head_first_web_design_github.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fa8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA8A 5704 bytes
SHA-256: 8e643661a72456f4c625beea16eb6a38e26d9d1c9b558455517127a94b69fab2
font_01_sfnt_off00010d2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D2B 2144 bytes
SHA-256: 29e65d27965e87bff98d49ac9da992c3660fe0b15a5e8502ddedb984937c1d31
font_02_sfnt_off000116ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116EA 13332 bytes
SHA-256: f9692d0acb4d3b77828f038a8836d96a55136c3e8bf8b94929134ae50116f7b4
font_03_sfnt_off0001404d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1404D 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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