Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cdaafe86b054678…

MALICIOUS

PDF

79.4 KB Created: 2021-05-23 15:12:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 0eee52682b4e5fadca23bc207d19ca07 SHA-1: ae0c4a2d625f9c79a10666db9e47c3b9f26cbaf2 SHA-256: 7cdaafe86b054678a29058f77e0bd668aa8f876dc725d12b05b4ced756273188
164 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 a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://dugedepap.ru/strik?utm_term=commando+2+full+movie+download+720p+filmyzilla PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4446165/normal_60550349690f1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447467/normal_5fd265d7549fd.pdfIn PDF document text
    • https://fepuguraxetud.weebly.com/uploads/1/3/7/5/137512182/manulori_daduju_zigiwu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369306/normal_6010452280d35.pdfIn PDF document text
    • https://nobazivikiva.weebly.com/uploads/1/3/0/7/130776215/19fc44b730d686c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486344/normal_6000a8c52ae17.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488100/normal_604fb7ceb76af.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4458848/normal_600488fb16dd7.pdfIn PDF document text
    • https://zogeliwev.weebly.com/uploads/1/3/4/3/134353139/safupopujaz-mojizunotu-puxasitiziwi-dezil.pdfIn PDF document text
    • https://lakaporizad.weebly.com/uploads/1/3/4/2/134234628/47630b7c8fc15c.pdfIn PDF document text
    • https://zuberexuwaxif.weebly.com/uploads/1/3/4/5/134501439/7204143.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/gupawupigawono/fridays_tv_show_episode_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/wokesabisevo/rowumutuponopejoma.pdfIn PDF document text
    • https://s3.amazonaws.com/lulelepese/57201309443.pdfIn PDF document text
    • https://s3.amazonaws.com/gewuwasi/what_are_the_types_of_agricultural_waste.pdfIn PDF document text
    • https://s3.amazonaws.com/luxaduzimase/53902523380.pdfIn PDF document text
    • https://s3.amazonaws.com/zuguvoxoki/alphabet_chart.pdfIn PDF document text
    • https://s3.amazonaws.com/fadedosi/fisher_control_valve_actuator_type_657_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/jifedefujodu/53211151500.pdfIn PDF document text
    • https://s3.amazonaws.com/gezizefefififa/literal_language_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/megodipewukitoj/international_financial_reporting_environment.pdfIn PDF document text
    • https://s3.amazonaws.com/fizaxo/44788178867.pdfIn PDF document text
    • https://s3.amazonaws.com/juliziwojatige/collecting_displaying_and_analyzing_data_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/zesotat/nowazekam.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_off0000f90c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF90C 5476 bytes
SHA-256: f2aa67461c3f83a86d3543d06b205f1c95290cf8b26caef4ef490c6f11160d6f
font_01_sfnt_off00010bc7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BC7 10660 bytes
SHA-256: 483bd2161da23be1b16d7833f6ad70d1803b2d48036ee6b5bd774186fcd1e762

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