PDF static analysis report

Static analysis result for SHA-256 fd043783e64fb0dc…

SUSPICIOUS

PDF

82.6 KB Created: 2021-03-01 18:32:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 662490f3aa846e29577a74df1c02f429 SHA-1: 3b8dbd040904c1d751e028ca8ea7dc779045f597 SHA-256: fd043783e64fb0dc30b86f53bc9eb1615fcf059d5ccb0e4fc629092002cbcc06
44 Risk Score

Malware Insights

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

The ML classifier strongly indicates maliciousness. The presence of an external URI pointing to a suspicious domain, combined with heuristic findings related to urgency lures and embedded URLs, suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document designed to trick users into navigating to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • 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://pelibifir.ru/wix?keyword=ancient+greek+laws+on+burial PDF link annotation
    • http://lixorajepidil.mygamesonline.org/why_is_my_thermostat_blinking.pdfIn PDF document text
    • http://zonuvak.medianewsonline.com/jajanusuzedemozu.pdfIn PDF document text
    • http://junumidutuzakox.getenjoyment.net/wobasesirepido.pdfIn PDF document text
    • http://goladelexugezi.sportsontheweb.net/caracteristicas_del_marketing_digital_segun_autores.pdfIn PDF document text
    • http://duwinijuj.mypressonline.com/66451379430.pdfIn PDF document text
    • http://rubewox.sportsontheweb.net/20115137979.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/nalifij/aspera_phone_user_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/towakog/dufevasubulabiwapazani.pdfIn PDF document text
    • https://s3.amazonaws.com/gizonukorad/pomedajafopikimusil.pdfIn PDF document text
    • https://s3.amazonaws.com/sesijesule/airsoft_combat_uniform.pdfIn PDF document text
    • http://xemigososefof.atwebpages.com/rakupuxaditekawuxij.pdfIn PDF document text
    • http://vovakupalujum.onlinewebshop.net/how_to_change_brightness_on_kindle_3rd_generation.pdfIn PDF document text
    • http://piwakitidi.onlinewebshop.net/xerupufa.pdfIn PDF document text
    • http://dowuvoduwitovos.atwebpages.com/what_is_the_critical_value_of_t_for_a_90_confidence_interval.pdfIn PDF document text
    • http://kedisijusa.onlinewebshop.net/56087255376.pdfIn PDF document text
    • https://s3.amazonaws.com/wanasuvedigo/how_to_become_a_special_needs_assistant_in_ireland.pdfIn PDF document text
    • https://s3.amazonaws.com/vonuxagupeduze/ziwitabenopilidixifovili.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000106df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106DF 5252 bytes
SHA-256: e6918e57a64344d421d25f5be53535249ddf2b76e2958010c3110885a5d2094f
font_01_sfnt_off000118e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118E7 10864 bytes
SHA-256: 55c14d32262f9102379f1950a4c359576f24e00f271461f5d503fa82761e8a35

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