Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ab4a6aac5cb1769…

MALICIOUS

PDF

71.8 KB Created: 2021-05-06 13:50:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: f389b541583f0e43ca4941aa980d14e0 SHA-1: f2a41f9cdaef9caedc5b9644c45dedd53de4f54a SHA-256: 1ab4a6aac5cb17691d1cd64e14528f9752a81e92f375f8ecc3f95941031c63e1
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to host a phishing page or download further malware. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://gimoguvi.ru/strik?utm_term=primos+proof+cam+01+gen+2+manual PDF link annotation
    • https://cdn.sqhk.co/mawedabe/gjjalgf/3591088164.pdfIn PDF document text
    • https://cdn.sqhk.co/valibekarofu/bicihii/matuzapixexemum.pdfIn PDF document text
    • https://cdn.sqhk.co/vafegijateno/fjbsJVH/booyah_bomb_op.pdfIn PDF document text
    • https://cdn.sqhk.co/jagapifa/g1Q27hf/world_map_offline_app_download.pdfIn PDF document text
    • https://cdn.sqhk.co/rudolikube/jNheIy3/95254711658.pdfIn PDF document text
    • https://cdn.sqhk.co/supetudoti/3hjheBW/gaxabuzukiluzubezalerowi.pdfIn PDF document text
    • https://cdn.sqhk.co/zodozane/gRibhhn/destiny_child_mobile_game_tips.pdfIn PDF document text
    • https://cdn.sqhk.co/vilonunufuk/lB8xhAt/xixurosolemowuvasega.pdfIn PDF document text
    • https://cdn.sqhk.co/rerunaropiz/jlYhjjb/mojomoxawesaveroxigir.pdfIn PDF document text
    • https://cdn.sqhk.co/murajefovel/jicSdge/13464907777.pdfIn PDF document text
    • https://cdn.sqhk.co/sitopizol/dGv0qzb/horizon_camera_pro_mod.pdfIn PDF document text
    • https://cdn.sqhk.co/kanemili/iChgjiB/how_to_use_pocket_rocket_2_stove.pdfIn PDF document text
    • https://cdn.sqhk.co/lerapuraroke/iAYOnjJ/13656848446.pdfIn PDF document text
    • https://cdn.sqhk.co/rabuvimi/jh6zyaF/59642846176.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/83840c48-9aba-4f0b-b66b-0eb62422700e/how_did_albert_einstein_contribute_to_the_atomic_model.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c34534d-d4fb-4356-a275-4d3825b23de5/harry_potter_hardcover_boxed_set_books_1-7_amazon.pdfIn PDF document text
    • http://nomapalugaji.epizy.com/49488139140.pdfIn PDF document text
    • http://mujasanowagug.epizy.com/kisebijutujokabubimetopem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b90228e3-ae5d-4304-94fb-0b3551597016/what_books_should_i_read_to_understand_politics.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e057f098-2915-4eec-8473-e032273ee9c3/kitirexaribewurinamigunuk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d403545d-726c-4bbb-9878-24845334f010/guzudipibi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2783dafb-c577-48da-8a4d-27b7f366946c/58300852173.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fa91f612-bf54-4999-87ae-82a72f6426da/gre_vocabulary_book_download.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_off0000d87b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD87B 5664 bytes
SHA-256: 1a9ddb11ce90bb132c0be2444ea77b45e625cd38201d40475e9bc89795c0efcb
font_01_sfnt_off0000ebae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBAE 11204 bytes
SHA-256: 1b203397dfd1f68b60d29ccba02267c358a0d8361216e4a7d62a7a0aeec04738

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