Malicious PDF — malware analysis report

Static analysis result for SHA-256 93acdeae0f72d3dc…

MALICIOUS

PDF

79.2 KB Created: 2021-03-21 20:39:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f91cdf6a16e270b51fd90e24434dfc8f SHA-1: 2d4caf0f94ffad0fa02c179055fe3c9cfd0f4642 SHA-256: 93acdeae0f72d3dcc6530cdcc0b08089b2ff1e69a66eaf0d181f324ac7f71a2d
96 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains an embedded URL that leads to a domain associated with phishing. The document body, though heavily obfuscated, appears to be related to a product manual search query, suggesting a lure to trick users into visiting the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://soxebez.ru/wix?keyword=logitech+harmony+300+universal+remote+manual
    • http://dadivasim.sportsontheweb.net/melasinudesozesezifubago.pdf
    • http://dabukim.mygamesonline.org/67032450758.pdf
    • http://sivesesugipode.scienceontheweb.net/rewixutobobi.pdf
    • http://digitalliteracyinstitute.com/best_app_for_hotel_booking_in_indiahy5kl.pdf
    • http://degakak.sportsontheweb.net/why_is_my_router_wifi_light_blinking.pdf
    • http://fajasated.mywebcommunity.org/abc_publication_chemistry_book.pdf
    • http://torchland.xyz/668942298515d5iq.pdf
    • http://fazojum.66ghz.com/wisiwosasutik.pdf
    • http://shoop-fl.ru/738762344249407i.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/wemazun/alcatel_one_touch_pixi_firmware.pdf
    • https://s3.amazonaws.com/wutogugej/zebaziwuroporagudijaz.pdf
    • https://uploads.strikinglycdn.com/files/498c6539-72f5-4e57-b631-38d73a3c8a31/los_medios_de_comunicacion_para_segundo_grado.pdf
    • http://nigukeja.epizy.com/simpson_s_rule_excel_worksheet.pdf
    • https://s3.amazonaws.com/silubebebefuju/what_is_a_good_rate_for_a_financial_advisor.pdf
    • https://s3.amazonaws.com/wibedubosateg/let_the_right_one_in_2008_full_movie.pdf
    • https://uploads.strikinglycdn.com/files/589c66cc-1b74-41f0-ad9c-3368202a8cc4/biboxapofizete.pdf
    • https://s3.amazonaws.com/xukirizugukugi/74923941057.pdf
    • https://s3.amazonaws.com/tidigudetefumof/17148649199.pdf
    • https://uploads.strikinglycdn.com/files/cb75f55d-08e5-4397-b24b-74e2b36fe5a9/what_does_cloud_service_mean.pdf
    • https://s3.amazonaws.com/xukonakefules/29021512580.pdf
    • https://s3.amazonaws.com/pazerogasarinu/jukuletigirozokibirotodaj.pdf
    • http://vajezozaxapom.rf.gd/kadelebesuzabezarife.pdf
    • https://s3.amazonaws.com/niporofez/calculadora_convertidor_de_ml_a_gramos.pdf
    • http://mujasanowagug.epizy.com/5_languages_of_love_book.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f5c6.bin
dcc34ce794b3e304aeded793f941c025c93e992401a1fcc87a4ca0c73336fdf9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF5C6 5624 bytes
font_01_sfnt_off000108cf.bin
18a75e52342facd130b434e6ff21185fdc2bbd18878d91f2126759f86ece293f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x108CF 11080 bytes

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