Malicious PDF — malware analysis report

Static analysis result for SHA-256 32f7211d07c61719…

MALICIOUS

PDF

69.6 KB Created: 2020-11-11 23:41:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: cbe1a50fcc66d5dd1f68a37c0d60d586 SHA-1: b3a84530c528792c5799238f36cceedca357d7f0 SHA-256: 32f7211d07c61719e40b16e6db24ca2a8a59c93cacfc71f67302bb6d5580d1e5
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains a lure related to 'Vilambi nama samvatsara panchangam' and embeds a URL pointing to 'trafficel.ru'. This URL is likely used to host a malicious payload or redirect the user to a phishing site. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://trafficel.ru/strik?utm_term=vilambi+nama+samvatsara+panchangam PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4392453/normal_5fa74a0056e65.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378604/normal_5fa5c74555020.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465144/normal_5fa43b728c1f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386593/normal_5f9111c7cabca.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410448/normal_5f93a4115c0f9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384640/normal_5f91f6e36ba04.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/rebesudanolo/rifajokenodox.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0bc47b5c-ca22-46aa-b85d-c089422a3aef/wwe_supercard_reddit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dc80aa45-d684-4357-b998-483665b2d650/74835969198.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f0614932-cfcf-4a3c-8674-22077569950f/bilateral_symmetry_is_a_characteristic_of_what_phylum.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5eaaa110-c5c0-4721-a906-34ff746d4f06/sketchup_vray_lighting.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxuledo/la_gallina_degollada_analisis.pdfIn PDF document text
    • https://s3.amazonaws.com/purawuma/atomic_habits_romana.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/94ebcb29-a4b9-405a-8d60-0e42bec92047/destiny_2_best_pvp_loadout.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df0b45df-5007-405b-b79b-a6d5b84a2db9/rapavuvonoladufusa.pdfIn PDF document text
    • https://s3.amazonaws.com/wavunot/dokofikuzaki.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_off0000d38d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD38D 5512 bytes
SHA-256: 88669b8e1b34a9282670b6fc616d44b3526526bce9ec024c5aa297da33f51573
font_01_sfnt_off0000e622.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE622 10200 bytes
SHA-256: d3437923a20c1a6950221d577e26e7ec8b190c7b0ce948dd84d13c0823fed2dd

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