Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcd2623869d02c00…

MALICIOUS

PDF

90.5 KB Created: 2021-03-08 03:49:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 1eb4c035325a2b67c922ed16fb5efa89 SHA-1: b65ae5bc4230efb64d64bd95fe99e5ffba7202cc SHA-256: fcd2623869d02c0092c57791c0e4f560726157dc5f3fbbb3bd97f29a82ce2fea
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'dugedepap.ru', which is likely a phishing or malware distribution domain. The document body, though heavily obfuscated, appears to reference a product listing, suggesting a lure to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

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://dugedepap.ru/wb?keyword=black%20and%20decker%2018v%20cordless%20drill%20with%202%20batteries PDF link annotation
    • http://pop-marketplace.ru/lejusekazanuyeck3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392209/normal_603dac4738589.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386837/normal_5ff096ed3dac4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377414/normal_6007effd8bab9.pdfIn PDF document text
    • http://tryraisins.pro/what_does_the_latin_in_handmaids_tale_meanzaw2c.pdfIn PDF document text
    • http://aycotoro7.xyz/74598256688nxr0j.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454988/normal_600c6429b5a76.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379241/normal_5fc891b35e2d6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/faduxodiwo/auto_diagnosis_service_and_repair_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/xirixepo/endocrine_guidelines_adrenal_incidentaloma.pdfIn PDF document text
    • https://s3.amazonaws.com/bevarolimesale/migowujusijowad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/64b06805-ca89-4ce4-8651-251c519ecd70/how_much_do_design_engineers_make.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0eacee63-0f95-4fe6-9b51-f259c5c2abc7/5e_efreeti_bottle.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/803803a1-d1d3-41de-b7d2-e60ba3e8db4f/11445360265.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f402a486-6a42-4b9e-b949-d3af6289c5d0/rosukis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/40eed04e-d116-4107-9159-137c9bd06cf6/how_to_draw_a_realistic_female_head_shape.pdfIn PDF document text
    • https://s3.amazonaws.com/buganabowumujef/after_effects_templates_free_cs6_kickass.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06c65654-ad62-40a4-ab39-9d95ea552ed0/what_age_baby_einstein_jumper.pdfIn PDF document text
    • https://s3.amazonaws.com/jupoti/2016_freightliner_radio_antenna.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/feea7afe-d1f5-4c75-89c4-0c5aded7098e/50704130217.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/883ae993-578f-4458-99b4-5bee95a1a00a/jilogodubas.pdfIn PDF document text
    • https://s3.amazonaws.com/pizexopenaxu/guide_du_routard_israel_jerusalem.pdfIn PDF document text
    • https://s3.amazonaws.com/wefadep/97985356743.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/26aeb9c7-a6db-449d-b4e2-1033a7b7c635/algebra_lineal_libros.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_off0001141f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1141F 5600 bytes
SHA-256: 9fcf2e8dacf015ad1e20340dd62143e52e7eab7bcd1ca78e6b3d73734c707b04
font_01_sfnt_off0001272b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1272B 11488 bytes
SHA-256: aa870e71f12a8a6cb182d679fad6565b5a5175f3b1450d395f25957bec48ebb9
font_02_sfnt_off00014dee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14DEE 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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