Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1e816962ce09a87…

MALICIOUS

PDF

82.2 KB Created: 2021-03-17 07:24:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 338351ffbf227d7277a37899bc100cdc SHA-1: fde8f03f3a6e6efdc3c7a5c98c1e446867e3e712 SHA-256: b1e816962ce09a87c92d8eb94c1f9f69abdb4ce780be8a8686830b0117d7f274
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 0.9998

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://gimoguvi.ru/strik?utm_term=james+allen+near+me PDF link annotation
    • https://cdn.sqhk.co/mopofosak/XBkhhgd/black_flight_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/pulazapusaw/ichjVhS/how_to_write_a_business_proposal_letter_sample.pdfIn PDF document text
    • http://itrom.fun/is_will_solace_in_trials_of_apolloc26ba.pdfIn PDF document text
    • http://zanartcc.net/battlegrounds_3_pspt3fv1.pdfIn PDF document text
    • http://choosenews.space/como_instalar_appvalley_en_androidcalqy.pdfIn PDF document text
    • https://cdn.sqhk.co/kurotevu/iVBGidt/maryland_civil_war_trails_map.pdfIn PDF document text
    • https://cdn.sqhk.co/zodozane/bjeShfz/kegobewudejedosade.pdfIn PDF document text
    • https://cdn.sqhk.co/xezakomujar/gHgcNPI/need_for_speed_rivals_ps4_trophies_guide.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/jinabisura/clinical_practice_guidelines_gestational_diabetes_mellitus.pdfIn PDF document text
    • https://s3.amazonaws.com/nazekisigiduz/personal_swot_analysis_example.pdfIn PDF document text
    • https://s3.amazonaws.com/tibanepoxilibud/cours_anglais_grammaire.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/38720736534.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1dc7e444-9dd5-4343-b29d-78e41d80f4bc/zogibijanedute.pdfIn PDF document text
    • https://s3.amazonaws.com/bejenosugede/asthma_copd_overlap_syndrome_nejm.pdfIn PDF document text
    • https://s3.amazonaws.com/sebunuzu/marine_traffic_apk_latest.pdfIn PDF document text
    • https://s3.amazonaws.com/gupojakami/ffxv_royal_review.pdfIn PDF document text
    • https://s3.amazonaws.com/bodajaku/how_to_repair_a_pallet_jack_that_wont_lift.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c1271de1-73d3-449b-ae71-ec726fd8f27e/porebatege.pdfIn PDF document text
    • https://s3.amazonaws.com/vanatul/poem_comparison_essay_introduction_example.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_off0000f8d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8D4 4372 bytes
SHA-256: 30f6ab62b523a593bd42424b063dd93fe099303d93894ada358b36599a85c95e
font_01_sfnt_off00010768.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10768 11272 bytes
SHA-256: 18cae3ea8da612d1a9a99247a3326f83c237f2e9eae9844dcb650abac15cc937
font_02_sfnt_off00012dc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12DC6 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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