Malicious PDF — malware analysis report

Static analysis result for SHA-256 242d0dec9e51eed9…

MALICIOUS

PDF

78.4 KB Created: 2021-02-28 13:43:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: cbe3dcd221694fb96678f6b2197dfff8 SHA-1: f6f84733bd756220c86923127879290ac98c7caa SHA-256: 242d0dec9e51eed9137ec392be2c9391e9d7b06be8aa30a414a5624731ca25b3
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. No scripts were extracted, but the presence of external URIs and the overall detection suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://leonvi.ru/strik?utm_term=plan+unico+de+cuentas+para+comerciantes+en+colombia+pdf PDF link annotation
    • http://idealica-co.site/john_deere_la105_owners_manualuoovf.pdfIn PDF document text
    • http://goossyy.online/ark_breeding_mutations_guideii6em.pdfIn PDF document text
    • http://carins.info/rslogix_5000_programming_handbookzb765.pdfIn PDF document text
    • http://itslm.fun/babylon_mystery_religion_booktlsq1.pdfIn PDF document text
    • http://world-wildshop.com/romeo_and_juliet_book_vs_movie_1996tbp15.pdfIn PDF document text
    • http://xufelaketodo.getenjoyment.net/gojimirupuviwebowife.pdfIn PDF document text
    • http://proita.space/buzzer_app_for_jeopardygsa38.pdfIn PDF document text
    • http://azorocheat6.xyz/apollo_munich_health_insurance_claim_formfdxib.pdfIn PDF document text
    • http://nogurufegu.mygamesonline.org/thank_you_mr._falker_by_patricia_polacco.pdfIn PDF document text
    • http://rowowevu.mypressonline.com/permutation_and_combination_worksheet_with_answers_doc.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/kagedatabujo/1973511860.pdfIn PDF document text
    • https://s3.amazonaws.com/sedowedi/canonsburg_police_report.pdfIn PDF document text
    • https://s3.amazonaws.com/fotojipifuzitul/sokifa.pdfIn PDF document text
    • https://s3.amazonaws.com/dinilederu/benogur.pdfIn PDF document text
    • https://s3.amazonaws.com/rekawexuretowo/annals_of_thoracic_surgery_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/meme_templates_2019_blank.pdfIn PDF document text
    • https://s3.amazonaws.com/gatazeromij/implantable_bioelectronics.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezodepugov/jazulikiwubovobewiwive.pdfIn PDF document text
    • http://bodegifu.atwebpages.com/78590091868.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_off0000e709.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE709 5444 bytes
SHA-256: dfe6b0749f8d44b3977783799e60e421abfc4d9db9da8e5455f7dd61db1b9675
font_01_sfnt_off0000f969.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF969 2236 bytes
SHA-256: c2456c3bac7e5329ce652a5137ac5d7264716f8eb725e1e0179b0f9267bacde9
font_02_sfnt_off00010384.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10384 11660 bytes
SHA-256: ffa16cb1066732940eee24b3c743dab6529df6793e52e8350a15545b2a933cc7

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