Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb1758391a08c7f3…

MALICIOUS

PDF

84.2 KB Created: 2021-05-05 19:36:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: b086863ac6b0a2eae49031fca95327f4 SHA-1: 569e7a0db32b6bc6f20e6a2286f1f5b8c1ed51bb SHA-256: bb1758391a08c7f3177c65592c50ed83dd5783600314fb84e00ce3f3f72a360e
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://botokaw.ru/strik?utm_term=does+the+back+come+off+the+britax+frontier PDF link annotation
    • https://fupixadig.weebly.com/uploads/1/3/4/0/134096542/xudapovoziwa-fotanodibamego.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374835/normal_6059ba3dd6563.pdfIn PDF document text
    • http://rexevivejegox.scienceontheweb.net/xebanejuliwidufanigedesow.pdfIn PDF document text
    • https://doxediseweroz.weebly.com/uploads/1/3/4/6/134634010/7145399.pdfIn PDF document text
    • https://batezumepew.weebly.com/uploads/1/3/4/4/134479003/mabiso.pdfIn PDF document text
    • http://ratixopawem.mypressonline.com/cancer_espinocelular.pdfIn PDF document text
    • https://xorapuwo.weebly.com/uploads/1/3/0/8/130873927/120874.pdfIn PDF document text
    • http://joxitikoki.getenjoyment.net/clanbook_lasombra.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368493/normal_5fea109e7248a.pdfIn PDF document text
    • http://niluwipewuxasa.medianewsonline.com/80700991308.pdfIn PDF document text
    • https://tofariviviri.weebly.com/uploads/1/3/4/1/134109347/2313955.pdfIn PDF document text
    • http://woxijakuzadajew.getenjoyment.net/wastewater_treatment_plant_equipment.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://duwemanuwixam.atwebpages.com/the_complete_idiot_s_guide_to_real_estate_investing.pdfIn PDF document text
    • https://s3.amazonaws.com/wupiwupiwot/87648340445.pdfIn PDF document text
    • http://kuxomexepus.epizy.com/adobe_creative_cloud_remover_cleaner.pdfIn PDF document text
    • http://zitebexelopor.rf.gd/rulewate.pdfIn PDF document text
    • https://s3.amazonaws.com/mujesogi/comment_joindre_un_sur_facebook.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzaganog/zegijoloperomusejalitej.pdfIn PDF document text
    • http://womawujun.atwebpages.com/10th_class_result_2020_gujranwala_board.pdfIn PDF document text
    • https://s3.amazonaws.com/perurulexi/zikeso.pdfIn PDF document text
    • http://ratosore.epizy.com/rizekofuwevesevisozuza.pdfIn PDF document text
    • https://s3.amazonaws.com/xufujofaleki/nomuzikoro.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_off00010b94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B94 5360 bytes
SHA-256: b749e770645e15e8f6cd11bfad3f169fa67fb13eaa50dd963c753ed4aab0c4ec
font_01_sfnt_off00011db0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DB0 11076 bytes
SHA-256: b300fc8a270bb3315c0a025a023964f6037e0fcca5e3ab6eb256c1d636d3a92b

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