Malicious PDF — malware analysis report

Static analysis result for SHA-256 9219c1fe2afabece…

MALICIOUS

PDF

73.6 KB Created: 2021-02-18 10:56:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 02ffa2ac72896ca3fa13b4ee886ceea7 SHA-1: 10e780fab8594394ce93eaccbb2d8d484a15c1c6 SHA-256: 9219c1fe2afabece6adee1cc054e46c690b7ce8c3fd11d943412ea29355cbc4b
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/123?utm_term=walmart+photo+center+phone+number PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4449627/normal_5fcb5ac24834a.pdfIn PDF document text
    • https://cdn.sqhk.co/merabuvi/cCemrHw/free_android_app_maker_software_download.pdfIn PDF document text
    • http://cmbclientes.com/falling_in_reversevq5ls.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4428061/normal_5fdfccd4ce1f7.pdfIn PDF document text
    • http://parhelifrl.space/what_is_a_gait_assessmentbn3eu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416664/normal_601124f9dd689.pdfIn PDF document text
    • https://cdn.sqhk.co/nofoxanu/bjjYgEN/88889226812.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490720/normal_601a10c88c6e7.pdfIn PDF document text
    • http://ubsvp.com/164954913033tp7a.pdfIn PDF document text
    • https://cdn.sqhk.co/ximepadogi/kjeiaPM/rusobelewamilepinifa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410000/normal_600eb1258065b.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/tawovojo/manutekuledo.pdfIn PDF document text
    • https://s3.amazonaws.com/rorives/gopro_fusion_user_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/fejakixoweka/wozaxizomujabuxan.pdfIn PDF document text
    • https://s3.amazonaws.com/lekizopiloref/brief_answers_to_the_big_questions_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/vawoginele/low_platform_bed_frame_malaysia.pdfIn PDF document text
    • https://s3.amazonaws.com/mexavofezoxi/chakravyuha_songs_songspk.pdfIn PDF document text
    • https://s3.amazonaws.com/jikopot/cid_all_episode_hd_video.pdfIn PDF document text
    • https://s3.amazonaws.com/remuv/posikadi.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezux/letodalolilupikikibebipi.pdfIn PDF document text
    • https://s3.amazonaws.com/rorives/96982879378.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_off0000e368.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE368 5148 bytes
SHA-256: dfb2adf5a8dc2ab4d572009de72f2c934d5e21c34c53ae5b1c225a9fe7717985
font_01_sfnt_off0000f4c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4C6 10632 bytes
SHA-256: a9051bc74dd10eea8f7bcff71eece81165601375e0a1499c0b19e2e03bca2769

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