Malicious PDF — malware analysis report

Static analysis result for SHA-256 938538486acad3e6…

MALICIOUS

PDF

81.0 KB Created: 2021-03-25 05:57:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 19276c3ed227d6f2fac8c11bd46b2bdc SHA-1: 86596f55e98b46596a79f7ac913eee47ea0af1e0 SHA-256: 938538486acad3e6874b64c092ff79fa3ec0c2b5b98c24721d79e0c363360765
156 Risk Score

Malware Insights

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

This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The heuristic PDF_SEO_LINK_FARM indicates the document contains a large number of external links, with the primary malicious URL being http://italia-doc.fun/john_grisham_new_book_amazon0gnyn.pdf. The embedded URLs suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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
  • 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://ponafet.ru/wix?keyword=the+only+fatherland+pdf PDF link annotation
    • http://italia-doc.fun/john_grisham_new_book_amazon0gnyn.pdfIn PDF document text
    • http://vedovipog.22web.org/35431476256.pdfIn PDF document text
    • http://pajodumu.22web.org/wiliv.pdfIn PDF document text
    • https://koxawikala.weebly.com/uploads/1/3/4/6/134643159/7186734.pdfIn PDF document text
    • http://storedubai.shop/magisterium_5_espaol_descargar_gratis8blez.pdfIn PDF document text
    • http://bio-ita.fun/red_balloon_shopbackr3d9u.pdfIn PDF document text
    • http://pupijepu.22web.org/82935396806.pdfIn PDF document text
    • http://kieverts.xyz/95360024998rx21x.pdfIn PDF document text
    • http://prosucre.pro/genatonibaloverukugeut0dm.pdfIn PDF document text
    • https://polavimiwusirew.weebly.com/uploads/1/3/2/6/132681763/9346848.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://naremijex.epizy.com/vivah_movie_free_full_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/dexodekelaseki/chronic_pulmonary_aspergillosis_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/vigevot/heinz_field_parking_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/pulujolatepuv/sony_vegas_pro_15_64_bit.pdfIn PDF document text
    • https://s3.amazonaws.com/guxosa/89707719649.pdfIn PDF document text
    • https://s3.amazonaws.com/tobobowu/h_r_m_ka_full_form.pdfIn PDF document text
    • https://s3.amazonaws.com/wopari/soponibedolekevagipa.pdfIn PDF document text
    • http://dokaxemimagi.epizy.com/swarm_robotics_seminar_report.pdfIn PDF document text
    • http://joxumokuri.epizy.com/xowabunazusegaliki.pdfIn PDF document text
    • http://magivuxitafexox.rf.gd/sales_agent_agreement_template.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_off0000fec3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEC3 5004 bytes
SHA-256: 0950f7d4e899ecdeaec585c7fcbeeb9be82a1bf04baa424f4ecc4cfb4efb5e88
font_01_sfnt_off00010fc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10FC8 11192 bytes
SHA-256: 177ef1c043ada69c2a4fd237f6855ece7614136f840d93af216f38058cacc887

Open this report in the interactive analyzer, or submit your own file for analysis.