Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ea7f2c77122173c…

MALICIOUS

PDF

88.6 KB Created: 2021-03-20 16:41:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c12cae3e4de12e2fcb5cd8247ccb8dda SHA-1: da7ec2b45b678a1226836c67e1aa052509d36ddc SHA-256: 6ea7f2c77122173c0db85cd397823ec8695230b708e4f6711cfe462862a204c5
104 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document body and embedded URI point to a lure for downloading 'Fortnite apk for any device' from the URL https://bologen.ru/wix?keyword=fortnite+apk+for+any+device. This suggests a phishing or malware distribution attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wix?keyword=fortnite+apk+for+any+device
    • https://ginamelemu.weebly.com/uploads/1/3/4/6/134624442/3910406.pdf
    • http://gufutaca1.xyz/91955934254yi5yl.pdf
    • https://zoxiniguve.weebly.com/uploads/1/3/4/5/134584112/xuguritivof.pdf
    • https://vutepunuvo.weebly.com/uploads/1/3/1/6/131637517/lemes-juxukiwove-xubinonafenewa-pazafide.pdf
    • http://20970907.net/update_club_card_safeway7fcqt.pdf
    • http://wuwudikosegukem.mypressonline.com/gta_san_andreas_cheats_codes_file_download.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/b322168e-129a-4d34-9506-8e0689ab0d95/does_a_street_cat_named_bob_die.pdf
    • https://uploads.strikinglycdn.com/files/aecfcc6e-5e56-4ef7-a603-12d24bf3f5cc/23279492234.pdf
    • http://mopufeva.epizy.com/bibeliredul.pdf
    • https://6648aa49-deb3-4d6f-81a8-a63cc7a297fb.filesusr.com/ugd/38eac1_0b2297c8eaa44d62ac82350b6284daa2.pdf?index=true
    • http://niwurekatexo.atwebpages.com/angularjs_4_interview_questions_and_answers_for_experienced.pdf
    • http://retuguru.epizy.com/8283595864.pdf
    • http://tefetuzuzip.myartsonline.com/4736632715.pdf
    • http://dugerem.atwebpages.com/94172783195.pdf
    • http://reruwok.rf.gd/geometric_figures_and_formulas.pdf
    • http://sisufovofow.atwebpages.com/dibaxawigifizo.pdf
    • http://gomiguru.epizy.com/61240818178.pdf
    • https://4590046d-f0a9-4171-b8a0-56ff8c1fe63c.filesusr.com/ugd/0bfb20_029886785e4b46cfb2acacb56f6efd1c.pdf?index=true
    • https://68fdcf0a-b1f0-4758-9edf-48d2be6d990b.filesusr.com/ugd/ac51ce_d57c7c1d11004d248defac40ef74bf70.pdf?index=true
    • http://kalogoraretupo.epizy.com/20844650990.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f0a4.bin
5a5df2e81688469b24a8c9a238fb72d01ffb2434b89676eeefda39bb54d1dd31		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF0A4 4908 bytes
font_01_sfnt_off00010168.bin
cf50d13c5c21d2e34fba0d9dd21119d4839fc35fdaebfe62cbacf51850cc328d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10168 1936 bytes
font_02_sfnt_off00010aa7.bin
42d7f47475ac1a4d1f3919297417e1814fdf6b70607e360b4969be9798dd322b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10AA7 11124 bytes
font_03_sfnt_off000130bc.bin
845d072e5f4c01cd7ffd7bbe425e200fa6e399529c301a309b0b2c2487a4dc98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x130BC 16240 bytes
font_04_sfnt_off0001461f.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1461F 4324 bytes

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