Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c593bb5ef883128…

MALICIOUS

PDF

84.6 KB Created: 2021-03-11 16:15:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77b8797855bd0ced4593fab2f5a9b292 SHA-1: 5be1032f435c77ab8d507673d53bfbacd60df29e SHA-256: 2c593bb5ef88312832686b4bce1e1eba473a46cd8a4d5fb3a70c309ba95a5104
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains references to 'Antivirus software app for android phone', suggesting a social engineering lure. The presence of numerous embedded URLs, many with unknown reputations, further supports the phishing or malware distribution vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9967

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://bologen.ru/123?utm_term=antivirus+software+app+for+android+phone
    • http://tiktoktop.design/toastmaster_table_topic_ideasla84s.pdf
    • http://reflectionss.space/wheels_on_bus_lyrics_melanie_martinezr5mf1.pdf
    • http://momsmall.space/5e_arcane_traditions88esi.pdf
    • http://mysteps.online/97765485654bcbb6.pdf
    • http://titanovyi-filtr.ru/474046478xwhb1.pdf
    • http://tersq.space/wonakirijatnlfd2.pdf
    • https://cdn.sqhk.co/zotipimesaza/FhgMhb4/xuxowaxufidedokojupukirig.pdf
    • http://axecheat1.xyz/80104207444wqbzd.pdf
    • https://cdn.sqhk.co/jekunesoru/A9wicdO/tiles_tracker_australia.pdf
    • http://tasunixupowife.66ghz.com/interview_questions_format.pdf
    • http://findattime.com/mba_mms_cet_2019_score_cardarrv4.pdf
    • http://msertis.xyz/kadizuzua0r29.pdf
    • https://cdn.sqhk.co/kusamika/qjc1icR/xugixewepisewuvejagosorem.pdf
    • http://d2-club.ru/30554679619dsqdp.pdf
    • https://cdn.sqhk.co/zimopiroxab/ijXgfaZ/fajojotoliwepetiw.pdf
    • http://my-favshopd.online/zojunamonaliguwimolixucf2hv.pdf
    • http://prequester.online/kumafekuzebapasevukezuqmvkg.pdf
    • https://cdn.sqhk.co/pomiziluda/1vsAgia/the_othello_syndrome_the_shadow_of_dreams.pdf
    • http://foodguideblog.com/34378510783928w3.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/3a048467-5c6d-41db-8cf4-6e8cb77c462c/xiwodi.pdf
    • https://uploads.strikinglycdn.com/files/043bb3d2-64d1-4146-9875-ba704e95436b/17940633742.pdf
    • http://tisajepi.epizy.com/appetite_rounded_font.pdf
    • https://uploads.strikinglycdn.com/files/3a0ab1e9-53ed-4a34-a028-82e3ac46f6bf/practical_management_science_5th_edition.pdf
    • http://rovututuxopi.epizy.com/cara_vlookup_excel_2013_beda_sheet.pdf
    • http://rolozipufulelo.rf.gd/3272368751.pdf
    • https://uploads.strikinglycdn.com/files/b9e418e9-fa5a-4547-962e-4858be2c288e/kijibezafenomofifugosow.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_off00010d74.bin
715924f2af8fff1a4d5bc16661f4835997493ca4419ad1894fac2e0e2c126a72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10D74 5236 bytes
font_01_sfnt_off00011f56.bin
091c7e46ab144effffa4256b792c0bb8668cf2090b8c79880c0b80144038618d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F56 11016 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.