Malicious PDF — malware analysis report

Static analysis result for SHA-256 43cb0ebbe14e2d70…

MALICIOUS

PDF

70.2 KB Created: 2021-03-05 02:03:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 388d0777195ca8d8a93511df47515d41 SHA-1: 7857309a44f8e3396b681a7836af7b0d2f77564b SHA-256: 43cb0ebbe14e2d70a2041f7a028471c35efa1207d9f3c42e2f09148e6b816b33
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that directs the user to a URL disguised as a search result for car maintenance. This URL is likely intended to host a phishing page or download further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

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://lozipotod.ru/strik?utm_term=what+kind+of+oil+does+a+2012+scion+xb+use PDF link annotation
    • http://kogutojoveso.mywebcommunity.org/fowukenuj.pdfIn PDF document text
    • http://cocobeautybar.ca/vogajedi28may.pdfIn PDF document text
    • http://lamejix.scienceontheweb.net/5_general_rules_of_dimensioning.pdfIn PDF document text
    • http://copyright-help-report.com/2112530122026cxx.pdfIn PDF document text
    • http://falorilipeb.mywebcommunity.org/napopaf.pdfIn PDF document text
    • http://skameyki.club/libro_sapo_y_sepo_son_amigos_para_descargar_gratislergi.pdfIn PDF document text
    • https://cdn.sqhk.co/madufuxenuw/Sjgjhhe/condado_tacos_strongsville_ohio.pdfIn PDF document text
    • https://cdn.sqhk.co/kitaparek/chcjcBT/wallpapers_for_phone_screen_download_music.pdfIn PDF document text
    • https://cdn.sqhk.co/rajunakeb/7HXlgjQ/20504070087.pdfIn PDF document text
    • https://cdn.sqhk.co/toviranevu/chegdAc/62516896117.pdfIn PDF document text
    • https://cdn.sqhk.co/xejadukoxeta/hjfTRje/tupeposevibo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/nilititonawafim/boy_and_girl_love_proposal_images.pdfIn PDF document text
    • https://s3.amazonaws.com/dobikasukavu/poboxufimowu.pdfIn PDF document text
    • http://finubovuputok.epizy.com/aifmd_reporting_obligations.pdfIn PDF document text
    • https://s3.amazonaws.com/posufij/best_clock_icon_android.pdfIn PDF document text
    • https://s3.amazonaws.com/waduzirader/51352525470.pdfIn PDF document text
    • https://s3.amazonaws.com/nafoxuda/28583153163.pdfIn PDF document text
    • http://foxebunuref.epizy.com/start_again_kyle_olthoff_song.pdfIn PDF document text
    • http://jutesokom.rf.gd/tazunokujutekojopepuduwa.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/arishfa_khan_image_hd.pdfIn PDF document text
    • https://s3.amazonaws.com/biwuwukesazef/nba_2018_games_free.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cb32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB32 5624 bytes
SHA-256: 8891c977bc38baeaa0f8b540ff4e69f331991e62ed3fe6fe1c97582153be0ef7
font_01_sfnt_off0000de63.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE63 3720 bytes
SHA-256: 40ef96da86b6123d577d475be460de15c41b9ca7393a8e650be4e9942aa3c64b
font_02_sfnt_off0000e9c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9C4 9780 bytes
SHA-256: 65e4d72fac444548f17b3bf952742eca0e89867eb1ee5a51eeeca127978c3b48

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