Malicious PDF — malware analysis report

Static analysis result for SHA-256 013e683aeb8fa4d6…

MALICIOUS

PDF

110.0 KB Created: 2021-04-01 17:47:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 792cba2ae6b35ebf9d71ec0f73d8f90b SHA-1: 488c6956c8211a751ae96ad9774fa58c44f36922 SHA-256: 013e683aeb8fa4d65eafb7c75484bd9d14b316c37c57738426319b821d851d97
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, which is a common tactic for phishing or malware distribution. ClamAV and ML classifiers also flagged this file as malicious, indicating a high likelihood of malicious intent. The presence of multiple unknown reputation URLs further supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://ponafet.ru/aws?utm_term=linksys+wrt160n+installation PDF link annotation
    • http://sosed.market/how_to_replace_power_steering_pump_on_honda_odyssey4r4km.pdfIn PDF document text
    • http://vir-tus.com/adding_integers_word_problems_worksheetbme6n.pdfIn PDF document text
    • http://gugalex.iblogger.org/agrippina_libretto.pdfIn PDF document text
    • http://jowesomovuwo.iblogger.org/gosot.pdfIn PDF document text
    • http://meetsalle.xyz/boxozisesatinejoky3xd6.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/4e0c7e0a-44c6-409d-b0ba-6d3f774cb4b8/vapaneka.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/78b703ef-7e59-4f65-97e7-56427b171b65/autodesk_fusion_360_black_book.pdfIn PDF document text
    • https://s3.amazonaws.com/fajetufekejo/ribhu_gita_chapter_26.pdfIn PDF document text
    • https://s3.amazonaws.com/wonumafubij/bahaddur_kannada_video_songs.pdfIn PDF document text
    • http://tirejazanapo.epizy.com/credit_reporting_agencies.pdfIn PDF document text
    • http://gugoxoxopuza.epizy.com/zifew.pdfIn PDF document text
    • https://s3.amazonaws.com/pegozegi/bapenapuzumenozeg.pdfIn PDF document text
    • https://s3.amazonaws.com/bisapovepizaj/wapudurupiwu.pdfIn PDF document text
    • http://taxanateraza.rf.gd/compass_app_for_android_free.pdfIn PDF document text
    • http://kanulinuwuri.epizy.com/telamajusol.pdfIn PDF document text
    • https://s3.amazonaws.com/pirofopafu/98651363330.pdfIn PDF document text
    • http://jojineboge.rf.gd/6866726618.pdfIn PDF document text
    • http://wekunogixefol.rf.gd/canada_immigration_medical_form.pdfIn PDF document text
    • https://s3.amazonaws.com/dojivewobasuval/marketing_entry_level_jobs_chicago.pdfIn PDF document text
    • https://s3.amazonaws.com/zumezeviwakiz/why_is_my_lg_tablet_running_slow.pdfIn PDF document text
    • https://s3.amazonaws.com/davubewu/aso_exam_question_paper_2019.pdfIn PDF document text
    • http://jepitatumezelo.epizy.com/singer_esteem_ii_stitch_guide.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_off0001700c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1700C 5228 bytes
SHA-256: e2cfd4a977da91ccc6ea3b4c0480d3e250cbc132a887437e28b2ce1d4fc044aa
font_01_sfnt_off00018202.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18202 11920 bytes
SHA-256: 138f69a520a2d15ce4f59eb0d36862087313396ea46576518f8fffb9eccafd1d

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