Malicious PDF — malware analysis report

Static analysis result for SHA-256 63f15f700756a846…

MALICIOUS

PDF

79.6 KB Created: 2021-06-06 23:29:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: bd814930a79933eff4830fc19c83e008 SHA-1: 5dc4175679a099c2f95db5d54408595a1369b68e SHA-256: 63f15f700756a846e3f47bcb5f2487a1281fc256ea327f14fc329138164aad03
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to 'Nier data on the old world', intended to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://pistant.ru/pbw?utm_term=nier+data+on+the+old+world PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4491164/normal_6032c148c5d96.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453908/normal_5fe9f42e7d705.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412905/normal_600f220d9b5db.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391605/normal_60694eb24808d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4492257/normal_606b61c718bff.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373517/normal_603546f395947.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469353/normal_6011a98de3256.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449399/normal_600be77291ced.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475215/normal_5fe8a338e72be.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443802/normal_60157cf312e0f.pdfIn PDF document text
    • https://static.s123-cdn-static-d.com/uploads/4417645/normal_60b5d660ea39d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487622/normal_5fe9f7104145a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://uploads.strikinglycdn.com/files/b7a9c0db-5bf5-4787-b1bf-6711748e42ee/sabegiripewotemofiloxukom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2cc71156-9726-4531-8cb4-f6991d8e137d/10-3_review_and_reinforcement_answer_key_chemistry.pdfIn PDF document text
    • http://xifilipisi.pbworks.com/f/wimifibibofawapub.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce4c1613-081a-4295-af7e-a147ef821d4f/calcul_section_cable_triphas_400v_schneider.pdfIn PDF document text
    • http://fokopaviwu.pbworks.com/w/file/fetch/144464190/fedopiwixiziligenedojeja.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2231c006-612d-4d63-8a34-e0eb4b0813ff/29749238243.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7a17bb3-cc6b-4910-a98a-cd987744d68f/rapilepa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c0f8172f-470d-478d-9408-5846140fc8c4/rumpelstiltskin_original_story_summary.pdfIn PDF document text
    • http://maxasol.pbworks.com/f/minecraft_pe_apk_sin_licencia_android.pdfIn PDF document text
    • http://zuwofig.pbworks.com/w/file/fetch/144548307/cronache_dal_futuro_dienach_libro_italiano.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/23ee7538-c965-4f10-b1c3-d5c89c28d7cf/87968748013.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e6c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6C8 3032 bytes
SHA-256: 9751734578aca8e276332370146a59f478a3ae4640c601ba6c74749e13dabb0c
font_01_sfnt_off0000f19f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF19F 4796 bytes
SHA-256: 2266c023585ea48f9d39877fd7c1ad537a9c22977be699380af289ba2fc1f4ad
font_02_sfnt_off000101f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x101F8 10516 bytes
SHA-256: 9a11af64182aa1ca5cc5f3e0f2171a11ee2d6c97e4719b9ce41c099b32625057
font_03_sfnt_off000125cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x125CC 2552 bytes
SHA-256: 60c494b8f8913db152e9fa25e2519cecac6e385117e4d89bad0aefd39e34b7aa

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