Malicious PDF — malware analysis report

Static analysis result for SHA-256 eeafd7869a8cae22…

MALICIOUS

PDF

77.3 KB Created: 2021-03-29 14:17:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fbd3f32b39d06676f6577de189e0184d SHA-1: acabe2542bf86a9aaa086b99fdd7dd60bf8ef0c1 SHA-256: eeafd7869a8cae222e20a9e13dbd1aa0b5efa74ffee3d7d7b529480c4106c4ab
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded URLs, specifically 'https://dafemum.ru/award?keyword=lateral+thinking+puzzles+pdf', suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a common phishing lure, likely attempting to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://dafemum.ru/award?keyword=lateral+thinking+puzzles+pdf
    • http://lady-bug.club/39005828827zwrbf.pdf
    • http://storeeuro.info/la_odisea_personajes_principales_y_secundariosq56uu.pdf
    • https://finirawex.weebly.com/uploads/1/3/2/7/132741073/33cd069e.pdf
    • http://omynutural.space/basketball_jersey_template_psddq0my.pdf
    • https://retumitoratosu.weebly.com/uploads/1/3/4/2/134234586/piwotanoxapi_futugumorisizuj_sudasew.pdf
    • http://pixelbarista.com/modern_calligraphy_capital_lettersmghvu.pdf
    • https://mejodedasebedo.weebly.com/uploads/1/3/4/7/134725949/motogujas.pdf
    • http://barbanapoli.moscow/tajaki4zb72.pdf
    • https://cdn-cms.f-static.net/uploads/4482215/normal_6026a1578eb4c.pdf
    • https://cdn-cms.f-static.net/uploads/4471474/normal_5fd6527d634c5.pdf
    • http://trokot-newshop.online/civics_and_economics_unit_1_test_answerse95g9.pdf
    • http://anbieterbewertung-autoscoutch.com/1000_canciones_y_acordes_de_guitarra_gratis_descargarhvatv.pdf
    • http://ritual-venki.online/80937047115jac4a.pdf
    • http://bet-info.ru/915250116829juqd.pdf
    • http://akfb.online/sumidapaludoperexugobiobfrw.pdf
    • http://ericksandoval.com/61983141622knogw.pdf
    • https://latuxuxapeja.weebly.com/uploads/1/3/0/7/130739017/nuxejugeda.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/90490aad-919d-4343-b54d-a84ee9ece5b0/engineering_mechanics_statics_5th_edition_free_download.pdf
    • https://uploads.strikinglycdn.com/files/2af02b93-6ae5-44a4-9dda-4cc892645988/how_to_program_homelink_garage_door_opener_subaru.pdf
    • https://uploads.strikinglycdn.com/files/724830f0-7af4-44fd-9640-d903c20d211a/what_are_some_transition_words_for_elaboration.pdf
    • https://uploads.strikinglycdn.com/files/4cd42cff-69b5-4d41-a499-50c80f62010e/cuales_son_los_alimentos_que_contienen_carbohidratos_lipidos_y_proteinas.pdf
    • https://uploads.strikinglycdn.com/files/ff105499-03ad-40da-a50c-ba24f12c2b05/pumudakuxoguzoketupuvew.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f119.bin
81ddf8faf8eafc0a9b14079a5842efe9eefafa800f79f0845a50fc4adff59aed		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF119 5356 bytes
font_01_sfnt_off00010359.bin
9de3a8806b80642be187274412cea754e4c5d5552d06154e2e9ca64074f69deb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10359 10844 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.