Malicious PDF — malware analysis report

Static analysis result for SHA-256 89aaff34cb932758…

MALICIOUS

PDF

81.4 KB Created: 2021-05-11 05:49:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 52c2ef749dec7a253f42d54e13569ad5 SHA-1: d8b5780d1999da2eba54725464bf67214989c0fb SHA-256: 89aaff34cb932758a6f2bb1a492f81152ce249fb90f42e173f227736bfe7c9a1
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF document contains an embedded URL that mimics a search result, likely to trick the user into visiting a malicious site. ClamAV and ML classifiers strongly indicate maliciousness, and the presence of multiple URLs suggests a phishing or credential harvesting attempt. No scripts were extracted, but the document structure and embedded URLs are indicative of a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://gimoguvi.ru/strik?utm_term=which+kitchenaid+attachment+is+best+for+cake+batter PDF link annotation
    • http://alteramaks.world/attack_on_titan_colored_manga_downloadizhm6.pdfIn PDF document text
    • http://myirn.icu/mavezijobesuzufa2qoyn.pdfIn PDF document text
    • http://totepopewag.iblogger.org/headway_beginner_teacher_s_resource_book.pdfIn PDF document text
    • http://lg-copyrightforms.com/brother_hl-l2370dw_not_connecting_to_wifit918y.pdfIn PDF document text
    • http://boxberry-24.cc/coby_true_wireless_earbuds_cetw-511bvrf1.pdfIn PDF document text
    • http://pukegowavoja.iblogger.org/rinivafomut.pdfIn PDF document text
    • http://form-copyrightservices.com/53277696043f7upz.pdfIn PDF document text
    • http://italiahot.space/nerujig5w2kb.pdfIn PDF document text
    • http://lightly.store/80040523862yx055.pdfIn PDF document text
    • http://xviiivbgz.com/candy_tumble_dryer_user_manual16t5l.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wekujugom.epizy.com/90097047464.pdfIn PDF document text
    • https://s3.amazonaws.com/sinamozagemoger/anakin_lightsaber_form.pdfIn PDF document text
    • https://s3.amazonaws.com/tigewibejageju/master_and_commander_the_far_side_of_the_world_2003_full_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4ed817ea-fdef-4fc0-ba0a-7e3cc68d0fc7/zokirigoxobar.pdfIn PDF document text
    • https://ac263381-fdad-4fda-ae78-6df6d71032d6.filesusr.com/ugd/25c42e_9df9fa89ad1c4642bca797f8946df1e5.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xamibudasagas/wifigojijabajodidexut.pdfIn PDF document text
    • http://tipesajiwe.epizy.com/billion_dollar_whale_download_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f62e23a6-3ef8-472d-9e86-c8cbd8e47d52/15501976995.pdfIn PDF document text
    • https://s3.amazonaws.com/jefazaxal/fios_tv_remote_setup.pdfIn PDF document text
    • https://104e0e48-a4c2-4a03-8647-06ef64d4e6ac.filesusr.com/ugd/e2c6c1_6ab91f3c42b24ece88699e54a67f3ebf.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/bisegilupuf/vulule.pdfIn PDF document text
    • http://kufobidup.epizy.com/arsenal_epl_fixtures.pdfIn PDF document text
    • https://d668ac4b-7052-46b9-8d0c-7e282d24ced7.filesusr.com/ugd/00fc84_c12d9719483040e995fbcc9845037bcf.pdf?index=trueIn 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_off0000ff1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF1D 5448 bytes
SHA-256: 9f0ab52789befb3acaf844a374b9f27035df3f43dfaa6d3999ac0b109f650a1a
font_01_sfnt_off00011188.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11188 11152 bytes
SHA-256: 6ba82a98b87db2557980ebc136740ab3a36cee3e24868abcc9c9dba81862c2b8

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