Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6abfe0a123e5ef5…

MALICIOUS

PDF

100.0 KB Created: 2021-04-01 05:51:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: 46a5ecef9c4a7102506b4c83eb620298 SHA-1: 2651fa09fe54bf0618cff6fbca3bd6117853b002 SHA-256: c6abfe0a123e5ef546e39f818cc73cb09bc9388080dfe3b64648432261d96c3d
96 Risk Score

Malware Insights

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

The PDF document contains an embedded URI that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, includes text that mimics a search query, suggesting a lure to trick the user into clicking the malicious link. The ML classifier and ClamAV detection strongly indicate malicious intent.

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://fokemale.ru/wix?keyword=the+outsiders+chapter+2+flashback+answers PDF link annotation
    • http://ninuxalezopo.getenjoyment.net/what_does_it_mean_when_your_smoke_detector_beeps_twice.pdfIn PDF document text
    • http://juzufezike.mygamesonline.org/adobe_after_effects_tutorials_files.pdfIn PDF document text
    • http://xafesuvorolivig.scienceontheweb.net/ge_cafe_series_36_built_in_gas_cooktop.pdfIn PDF document text
    • http://xomerisupudegop.medianewsonline.com/causes_and_consequences_of_deforestation.pdfIn PDF document text
    • http://meleputadu.22web.org/exercises_on_present_simple.pdfIn PDF document text
    • http://gefosezidubajoz.scienceontheweb.net/68683507998.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/lejivugeleguwod/51037997803.pdfIn PDF document text
    • https://s3.amazonaws.com/mejigavukolu/lozudesifukufipuw.pdfIn PDF document text
    • https://s3.amazonaws.com/nelizenejakarug/english_tagalog_dictionary_apps_free.pdfIn PDF document text
    • http://wejajesenopezoj.onlinewebshop.net/canon_eos_6d_mark_ii_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/tapelu/avira_antivirus_free_2019.pdfIn PDF document text
    • http://gakenefux.rf.gd/super_android_13_vs_perfect_cell.pdfIn PDF document text
    • https://s3.amazonaws.com/ladojenefe/potafamuvabinu.pdfIn PDF document text
    • http://bixozebaxikapos.atwebpages.com/b_pharmacy_government_colleges_in_maharashtra.pdfIn PDF document text
    • http://fedetikapore.epizy.com/manualidades_con_material_reciclado_carton.pdfIn PDF document text
    • http://rewuwuja.onlinewebshop.net/3126444671.pdfIn PDF document text
    • http://rizukapusapanom.rf.gd/jagenesilesexoxugu.pdfIn PDF document text
    • http://sipijukat.epizy.com/48896509915.pdfIn PDF document text
    • http://kavibajegis.onlinewebshop.net/17630468224.pdfIn PDF document text
    • https://s3.amazonaws.com/pizexopenaxu/philips_tv_manual_42pfl5405h_12.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_off0001479f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1479F 5620 bytes
SHA-256: 6283861506ce1e97f2ae3716740d39c9101838bca59b113c09cb287a6c6978df
font_01_sfnt_off00015ac4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15AC4 11432 bytes
SHA-256: c70ca67337687434fb69b62c3545a46ea3af8e1db301bd882bc582238730be61

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