Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb3eeb7376597f98…

MALICIOUS

PDF

70.2 KB Created: 2020-11-27 10:12:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 9d70882fcc4b738badf8be2f6c3b52ed SHA-1: 4e8ea85af226c42a6a4017306af827632b14b20d SHA-256: eb3eeb7376597f9847e84115d3cfda37bb7b7dc575fb0ef5a1359a14c06ca586
104 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The document body mentions an 'upcoming bollywood movie trailer' and the presence of an external URI points to a suspicious domain, suggesting a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF format can embed JavaScript, which is often used for malicious purposes in such documents.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://trafftec.ru/aws?utm_term=new+upcoming+bollywood+movie+trailer PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4405190/normal_5fa6680b06dea.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/85a898f3-8a20-443e-8385-83f76e0f3edf/tubidy_mobile_video_search_engine_app_download.pdfIn PDF document text
    • https://s3.amazonaws.com/posufij/list_of_waterfalls_in_india.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5de6eea0-f2eb-4deb-8001-2a66b1880404/74839803295.pdfIn PDF document text
    • https://s3.amazonaws.com/guwutivupudutu/mokopoze.pdfIn PDF document text
    • https://s3.amazonaws.com/dusubonifu/81842696519.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f53b151d-f19f-43b1-ba6f-22b8847e7a4b/jiwavedagokev.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6e62cde-b297-45c0-be05-854c3510db42/74249808955.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d93539da-316b-4fe9-9006-6b8e35feaeeb/let_your_heart_be_your_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ac21ac04-2163-4042-abf1-58cb82e450ab/kilovusitojutufalefufuwi.pdfIn PDF document text
    • https://s3.amazonaws.com/kavugusepe/bizekafatezajakikax.pdfIn PDF document text
    • https://s3.amazonaws.com/wonoti/nerakopuferurusejorar.pdfIn PDF document text
    • https://s3.amazonaws.com/xumakomowi/beatles_rock_band_customs.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_off0000d3dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3DC 5580 bytes
SHA-256: aa43c03c44689bc1da99298978177d03863d385d8a89b12a84c839cd70029c6e
font_01_sfnt_off0000e6e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6E6 10968 bytes
SHA-256: c61961c49729a7d0ff0565c7857a3f3c0c144de39377a97500c45ca075ace616

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