Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c069a13de9c0913…

MALICIOUS

PDF

169.8 KB Created: 2021-02-23 12:33:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f4a23cf3e545d344e90a410c3be7e45a SHA-1: 7901ffa6b8277a6c497700c68ccfcc7162b608fb SHA-256: 8c069a13de9c0913149a5627960c19d0d42f04a3203ea22a98661dd3cf97374d
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that mimics a search result, likely intended to trick the user into visiting a malicious site. ClamAV detection and ML classification strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://maypoin.ru/wix?keyword=plainfield+elementary+school+ct
    • https://javemutamutog.weebly.com/uploads/1/3/4/6/134638327/2142492.pdf
    • https://cdn.sqhk.co/sebixodof/8idwjaN/cookie_helix_smash_download.pdf
    • https://cdn.sqhk.co/xamitarerivu/u7iijyf/mooney_flowgrid_regulator_distributors.pdf
    • http://xploitcrew.io/big_head_soccer_2_unblocked_gameso58ub.pdf
    • http://rezonansmusic.com/2054243853jfdgu.pdf
    • https://basosogufu.weebly.com/uploads/1/3/4/6/134682995/270647.pdf
    • https://cdn.sqhk.co/fuwufupi/5cicsgd/adderall_side_effects_sweating.pdf
    • https://cdn.sqhk.co/bulixanejad/ggM4jhR/pinatas_near_me_baby_shark.pdf
    • https://nubajegi.weebly.com/uploads/1/3/0/8/130814178/9683302.pdf
    • https://cdn.sqhk.co/fopikudapom/jbmjjgh/sumibafujigefusawari.pdf
    • https://cdn.sqhk.co/menaleratupo/7cibjb1/europe_map_free_icon.pdf
    • https://cdn.sqhk.co/sumefixes/jdLBija/marolizip.pdf
    • https://tevadurut.weebly.com/uploads/1/3/2/6/132682826/5409052.pdf
    • https://cdn.sqhk.co/vavewiminiv/v6UUicx/61473275489.pdf
    • http://marketes.pro/minecraft_bedrock_edition_crazy_craft_modpacks3za2.pdf
    • https://cdn.sqhk.co/kinanunir/eMU7iaH/swiss_ice_hockey_team_coach.pdf
    • http://lnstagramverifiedbadge-form.com/78059907817h8t6e.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00026409.bin
812e2d34b39779ea745ec34019a6d27c5fab34fac40b487f1bd8c9b055f7d72b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x26409 5364 bytes
font_01_sfnt_off00027627.bin
850b5ce8fb0a6adc6eca9f113ac086c3a11bf87bb969072cf605f8b71a9216e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27627 10240 bytes

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