Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb61e619c7bfdda6…

MALICIOUS

PDF

86.3 KB Created: 2021-03-18 18:26:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b6e6d927bccb44cb133bc40995e4c491 SHA-1: 31516865cca7333ecd3b987477771e34560f4085 SHA-256: fb61e619c7bfdda61409cda766011bb363ffbe70469dc7f7341e7258b81a5ae0
136 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body and heuristics point to a phishing lure using 'nonverbal communication gestures in Canada' to entice users. The embedded URL, https://leonvi.ru/wix?keyword=nonverbal+communication+gestures+in+canada, is identified as an SEO redirector, commonly used in phishing campaigns to obscure the final malicious destination. No scripts were extracted, but the overall structure and detection signatures suggest it's designed to deliver a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://leonvi.ru/wix?keyword=nonverbal+communication+gestures+in+canada PDF link annotation
    • https://s3.amazonaws.com/tesasubawalozan/tijaganapozizoxumixuj.pdfIn PDF document text
    • https://s3.amazonaws.com/jeduzizonox/charice_pyramid_song.pdfIn PDF document text
    • https://s3.amazonaws.com/tudawufed/mijoxowul.pdfIn PDF document text
    • http://eurofamily.pro/value_education_in_hindiygb1t.pdfIn PDF document text
    • http://nowtorrentz.com/integrated_chinese_level_1_part_1_textbook_audio64mdq.pdfIn PDF document text
    • https://s3.amazonaws.com/safenalavojuwu/85853810285.pdfIn PDF document text
    • https://s3.amazonaws.com/xowasosuf/blank_calendar_format_2019.pdfIn PDF document text
    • http://remont-kvartir-otzyvy.moscow/329806812320oobw.pdfIn PDF document text
    • http://youla-24.cc/46705627048do6er.pdfIn PDF document text
    • https://s3.amazonaws.com/lizuseguwix/jowiketajev.pdfIn PDF document text
    • http://mastericy-chistoty.ru/what_are_some_of_the_types_of_cvd_that_existvluus.pdfIn PDF document text
    • http://migerov.xyz/nccn_guidelines_multiple_myeloma_2015bez58.pdfIn PDF document text
    • https://s3.amazonaws.com/zobuwubedak/basic_english_speaking_course_chapter_1.pdfIn PDF document text
    • https://s3.amazonaws.com/jotizifime/android_version_8_software.pdfIn PDF document text
    • https://s3.amazonaws.com/tumasun/wegajamuxatexumun.pdfIn PDF document text
    • http://parrrtner.xyz/ejercicios_resueltos_propiedades_logaritmos_4_eso1xz8k.pdfIn PDF document text
    • http://mysteps.online/2013_honda_civic_recommended_maintenance_scheduleeboc3.pdfIn PDF document text
    • https://s3.amazonaws.com/pomaxa/types_of_language_in_nepal.pdfIn PDF document text
    • http://theporte.xyz/75211977388wsy9.pdfIn PDF document text
    • https://s3.amazonaws.com/susonanezaj/miniature_gingerbread_house_template.pdfIn PDF document text
    • http://agreevudb.rest/self_guided_tour_vatican_citylhf0v.pdfIn PDF document text
    • https://s3.amazonaws.com/gedimuta/ipmn_guidelines_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/kozibowisenatu/families_of_the_periodic_table_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/pizivurapab/84743360078.pdfIn PDF document text
    • http://daravto18.ru/21133015541pm1fs.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off00011353.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11353 5428 bytes
SHA-256: d808dcaeb579448adbe4e3280835f77c9551a309fad16a8a119ef78f0eccc4ed
font_01_sfnt_off000125b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x125B7 11040 bytes
SHA-256: 99ced0e3fef6d90ad28060de75a56f30416f9195faf1d83986b319ac72aac83a