Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e7c0ef1d11a4151…

MALICIOUS

PDF

93.2 KB Created: 2021-03-15 05:27:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: fc94eeb00c8e3c9ea8f1deca54712d92 SHA-1: 2ef7e22af23e16a9657698a3cdbee8651aba9c2e SHA-256: 5e7c0ef1d11a41513c1ee467a5673f072089f2cf5cb58a885eb77e6c5652bf5f
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 0.9998

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://crophysi.ru/wix?keyword=minecraft+codes+free PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4382638/normal_60114489199a9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454677/normal_6006850f7ab85.pdfIn PDF document text
    • https://cdn.sqhk.co/dibitarebizu/hnhcdbQ/88570455331.pdfIn PDF document text
    • http://xulubapatoso.scienceontheweb.net/vabijizijonolekimus.pdfIn PDF document text
    • https://cdn.sqhk.co/vamunidibu/ZvADieO/givunibuzifosav.pdfIn PDF document text
    • https://cdn.sqhk.co/xibidodoko/aWCycz1/word_string_puzzle_word_connect_crossword_game_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372721/normal_60108fabbdbb8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427544/normal_5ffcd17fbaa90.pdfIn PDF document text
    • https://cdn.sqhk.co/tamenotu/o2gA7ji/ruferu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451929/normal_5ff927df9e33a.pdfIn PDF document text
    • http://rezanufeku.mygamesonline.org/60054815584.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368978/normal_60079ae628593.pdfIn PDF document text
    • https://cdn.sqhk.co/diwamukef/wQjcsEs/wasov.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/feseni/calendar_schedule_template_2018_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/lakadutof/wapivum.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3be1289d-1bcb-4eab-92aa-85a1d5802f4d/rusesonowozet.pdfIn PDF document text
    • https://s3.amazonaws.com/rafiralexezol/68909875776.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e8124a2-576d-435f-aa4b-37404cb8e560/how_to_train_your_dragon_3_full_movie_in_hindi_download_filmyzilla.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001307f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1307F 4988 bytes
SHA-256: 55fb57958fd3dbf28cda758b9eaf9888f71b5d34ddc2eed3f38999f749bfa9fa
font_01_sfnt_off00014192.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14192 11352 bytes
SHA-256: 039a4e8605d736f0c65b97a1b252eae9bafde94526adc6200b9b25716f6308d2

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