Malicious PDF — malware analysis report

Static analysis result for SHA-256 414a9a43797838c7…

MALICIOUS

PDF

77.3 KB Created: 2021-03-02 04:53:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 38837f91deb8ca425ec5b0a18978235e SHA-1: d54d30078b28afd5d4cf00be74472a5f49785f2c SHA-256: 414a9a43797838c7808fb7f3cd0c45cc9e5e0b82610c718010553fb75b868ea5
136 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ML classification and ClamAV, as malicious and a phishing attempt. The embedded link `https://bologen.ru/strik?utm_term=graco+pack+n+play+playard+mattress+pad` is presented as a product listing, which is a common lure for phishing. While no scripts were explicitly extracted, the PDF structure and the presence of external links suggest it's designed to redirect users to malicious sites, potentially for further exploitation or credential harvesting.

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
  • 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://bologen.ru/strik?utm_term=graco+pack+n+play+playard+mattress+pad PDF link annotation
    • https://cdn.sqhk.co/neseleko/Nghb694/throne_of_glass_tv_series_episode_1.pdfIn PDF document text
    • http://moreprodukti.com/learning_spark_oreilly_freen8iis.pdfIn PDF document text
    • http://spencermcman.us/eventide_space_reverb_and_beyond4k2r9.pdfIn PDF document text
    • http://xivixevikid.iblogger.org/adaraya_agamaki_bus_horn_mp4.pdfIn PDF document text
    • http://eagleaff.com/bexijafaxodinokaxaruhofqk.pdfIn PDF document text
    • http://fartook.online/kijibixedesufonedajor90nb.pdfIn PDF document text
    • https://cdn.sqhk.co/ragojagef/jgWmgj5/ice_cream_runtz.pdfIn PDF document text
    • http://ig-socialmedia.xyz/budget_de_trsorerie_exercices_corrio4rcf.pdfIn PDF document text
    • http://white-x.fun/12_gods_of_olympus_greek_and_roman_namesk2f3j.pdfIn PDF document text
    • https://cdn.sqhk.co/xupodafib/XQhj5ii/saudade_definition_love.pdfIn PDF document text
    • http://vertigoa.online/837369980715fmtp.pdfIn PDF document text
    • https://cdn.sqhk.co/dopuzodopuvu/dLhfRii/87196075149.pdfIn PDF document text
    • https://cdn.sqhk.co/kobamebexog/ibDjcjb/draw_in_boxing_match.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/tozaduliwubega/british_english_translation_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/varoximu/bible_study_guide_4th_quarter_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwamoxamo/2d_and_3d_shapes_worksheet_year_3.pdfIn PDF document text
    • https://s3.amazonaws.com/jazamerijekufol/telugu_ringtones_2019_naa_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/glyphosate_iarc_report.pdfIn PDF document text
    • https://s3.amazonaws.com/tumuzu/rrb_ntpc_cen_01_2019.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_off0000edd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDD9 5416 bytes
SHA-256: e10cb98c9f4cd3c4d2cb745d3262210901b4dbc3a0743d432859d64ef3fecec5
font_01_sfnt_off00010040.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10040 11128 bytes
SHA-256: 96578eaa335348367aa0d9ed99c0b4a2b3052ce09195261f6ff236ae9152f0f8

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