Malicious PDF — malware analysis report

Static analysis result for SHA-256 d604c7320cc3a2b7…

MALICIOUS

PDF

73.3 KB Created: 2021-03-15 23:07:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6b268cfa19745848a3e33e240183d156 SHA-1: 203a9cc98a893fd5e0a6f0e9294fbf940f96298a SHA-256: d604c7320cc3a2b7eaa9d66f825ba8679d05f672b8d6eed97d8ef3ec592f708b
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 phishing or trojan threat. It contains an embedded URL that appears to be part of a lure, referencing 'real madrid logo dream league 2017'. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the detection suggest the document is designed to lead the user to malicious content or download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://druttle.ru/wix?keyword=real+madrid+logo+dream+league+2017
    • http://zyzycheat8.xyz/zewuxifubuwusifak89nz.pdf
    • https://cdn-cms.f-static.net/uploads/4467032/normal_60438fba4e8b6.pdf
    • http://tlgfree.xyz/603961039442ldam.pdf
    • http://fipevowes.iblogger.org/teri_akhiyon_ka_ye_kajal_song.pdf
    • http://leomannapov.com/752660899764btgq.pdf
    • https://cdn-cms.f-static.net/uploads/4483833/normal_60375ccba9cc2.pdf
    • http://airet.space/fijevezebiqzy9f.pdf
    • https://static.s123-cdn-static.com/uploads/4446492/normal_60041b552a6a2.pdf
    • https://static.s123-cdn-static.com/uploads/4496815/normal_5ff3c9a535748.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/66fb43a7-d95c-4454-b22c-8997d58f257f/why_does_my_fitbit_keep_turning_itself_off.pdf
    • https://s3.amazonaws.com/matogapibelifiv/xivokovopolemetebave.pdf
    • http://gevorewububew.epizy.com/ridobelomapos.pdf
    • https://s3.amazonaws.com/pilazi/2008_ashrae_handbook_hvac_systems_and_equipment.pdf
    • https://s3.amazonaws.com/gozilum/nubijatujawexiduxe.pdf
    • https://s3.amazonaws.com/luropi/cartoon_tamil_love_video_songs.pdf
    • https://s3.amazonaws.com/wulotugadag/android_tv_box_apps_free.pdf
    • https://s3.amazonaws.com/norozovijalu/68156133182.pdf
    • http://banobozibijur.epizy.com/hp_pavilion_dv7_part_number.pdf
    • https://uploads.strikinglycdn.com/files/0cec0e12-111b-4faf-8a9a-80437ae00694/sakosanulobofuxivolu.pdf
    • https://s3.amazonaws.com/zerejibixupav/assassin_s_creed_syndicate_review_game_informer.pdf
    • https://uploads.strikinglycdn.com/files/05864902-5957-463d-b194-0c05bc89c865/absalom_absalom_chapter_1.pdf
    • https://uploads.strikinglycdn.com/files/7eec0797-d6eb-424e-9d5d-2484efba50cb/bumezoligufezapenomumovol.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_off0000df76.bin
91b9346dc2c43eecf0945f2fdd90bf2482808187d371370960a0f56f72d61d49		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF76 5380 bytes
font_01_sfnt_off0000f1b3.bin
24a20f8fc2806616ade9e671d972d00fb8051d69af966a6a7db1a94b00aba0a5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF1B3 11572 bytes

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