Malicious PDF — malware analysis report

Static analysis result for SHA-256 47b94f22b893123e…

MALICIOUS

PDF

61.1 KB Created: 2021-03-22 00:32:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: b7c83c88c1941438003c84b92f29032c SHA-1: 322fcc5b7a4b9346461d5a1b25dd2654246b2f5e SHA-256: 47b94f22b893123ebed6f9dbd7e6b40b842a30e87c7c892e4434ce2caa79e5b1
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, many pointing to suspicious domains, indicating a link farm or phishing attempt. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4986

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://golowaki.ru/award?keyword=bls+pdf+2020+espa%25C3%25B1ol PDF link annotation
    • http://rubeatyshop.xyz/shell_programming_tutorial_point9sc45.pdfIn PDF document text
    • https://dexanobibe.weebly.com/uploads/1/3/5/2/135299911/nediboniwajonev_teluto.pdfIn PDF document text
    • https://bezaxopev.weebly.com/uploads/1/3/0/7/130740011/wezotufutegi.pdfIn PDF document text
    • https://jetebudatupa.weebly.com/uploads/1/3/4/7/134748577/243862.pdfIn PDF document text
    • http://dostafood.xyz/nufiwuvavosope3385t.pdfIn PDF document text
    • https://sanakifagijegu.weebly.com/uploads/1/3/4/4/134404207/117763.pdfIn PDF document text
    • https://zezazuzomej.weebly.com/uploads/1/3/1/0/131070861/kolak_batozuwisamige_xibofeneru.pdfIn PDF document text
    • http://reduslim-italiaufficiale.site/59316443452lxcfm.pdfIn PDF document text
    • https://mimudokax.weebly.com/uploads/1/3/4/7/134742140/rotefamilepisogeto.pdfIn PDF document text
    • http://logorag.22web.org/celeriac_nutritional_information_uk.pdfIn PDF document text
    • https://33da92c3-26de-4f6b-bf12-1693cb6a6e79.filesusr.com/ugd/0307f2_13c977596c5d42c09ef8687cd84d6ef2.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/besafefaf/how_to_open_graco_stroller_pa-24833.pdfIn PDF document text
    • https://s3.amazonaws.com/zamuriza/menozefawodijubidexut.pdfIn PDF document text
    • http://vamagirizotaro.rf.gd/7410191648.pdfIn PDF document text
    • https://a4346b84-4611-49ab-b113-80c9188ca613.filesusr.com/ugd/078c79_c425b4b57f4748608027a1b1a1b3b344.pdf?index=trueIn PDF document text
    • https://6ba7316d-b84b-4ccb-a32a-103c856d4013.filesusr.com/ugd/91f37e_eeebfbdb8c0f4739b27020780288d7c8.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/veraxawewib/differential_and_integral_calculus.pdfIn PDF document text
    • https://s3.amazonaws.com/guvovigo/speakychat_apk_indir.pdfIn PDF document text
    • http://fakadigat.epizy.com/asus_m5a97_le_r2_0_bios_update.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/family_and_friends_6_grammar_answer_key.pdfIn PDF document text
    • https://3b0fe5ff-7f86-489c-8138-fc984e51136c.filesusr.com/ugd/bfd78a_fac6e86c847b426286667e44f7e2fb1a.pdf?index=trueIn PDF document text
    • https://8eefcaf3-52f5-4123-8be5-b1f0aaeea45e.filesusr.com/ugd/1d3654_8d73298fb7ef48299100b7dcb837b52b.pdf?index=trueIn PDF document text
    • http://gabinosemepof.epizy.com/23964245762.pdfIn PDF document text

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