Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ccf75bb14da4f11…

MALICIOUS

PDF

88.5 KB Created: 2021-03-18 11:19:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: b665d89dc64ad31729f6557a474af6a1 SHA-1: 5215fe070f8c8dfa5e3ac373d3f78c1bfeb50d9b SHA-256: 2ccf75bb14da4f11959c34171591fccc238738f731b6e4b4d5e8bbc0693ccaca
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://dugedepap.ru/123?utm_term=mario+maker+2+outfit+guide PDF link annotation
    • http://vetewumaluzokiz.iblogger.org/aeneid_robert_fitzgerald.pdfIn PDF document text
    • http://zofunubesosena.mypressonline.com/gediwekoxiri.pdfIn PDF document text
    • http://megarafulosibef.22web.org/flyer_templates_freepik.pdfIn PDF document text
    • http://tuxesimufimiti.mypressonline.com/36117112819.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/zukogi/bootstrap_3_datepicker_format_date.pdfIn PDF document text
    • https://s3.amazonaws.com/bogijexu/88707349774.pdfIn PDF document text
    • https://s3.amazonaws.com/vapelurowar/best_android_box_amazon.pdfIn PDF document text
    • http://kokomato.epizy.com/82278231710.pdfIn PDF document text
    • https://s3.amazonaws.com/warapagefasovi/76967079228.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/748ee82f-12e7-4f2f-a8c4-19ad59fec6c7/which_zojirushi_models_are_made_in_japan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e5ef79a-35a7-4463-b17f-e373f6fbd280/88568021676.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f80564e7-2881-4271-9939-b885b1daae41/vimizopa.pdfIn PDF document text
    • https://s3.amazonaws.com/limepusotanal/kigimutiviz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ca7fd4d-e179-42eb-a06d-00d00b4742a0/dajefamuziwumilikaviti.pdfIn PDF document text
    • https://s3.amazonaws.com/dadupawo/aqa_biology_oxford_textbook_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b564bed6-5814-464a-8bc8-86f32a19c315/56579581509.pdfIn PDF document text
    • https://s3.amazonaws.com/sojuravewi/anand_telugu_movie_songs_naa_songs.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010a78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A78 4996 bytes
SHA-256: b1ef2d387c0c3a62bec9ee3b82fb4f0099de625b06522c1d376fd036ab9b952f
font_01_sfnt_off00011b86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11B86 13632 bytes
SHA-256: 01bc9996191148ef887caca4f0c990d891b06093addcbd17224b98386ca9d6a0
font_02_sfnt_off0001457d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1457D 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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