Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a34c48005c60324…

MALICIOUS

PDF

83.3 KB Created: 2021-03-07 17:23:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a064c41db6d24d89931815faefa18a01 SHA-1: 827f03b8da91474f93296ad77a3e548408059163 SHA-256: 0a34c48005c603245cb2b842d3b946b58ebe32577c8959064d0d8aa7fc83214f
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. ML classification and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URI suggest it's designed to lead the user to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://leonvi.ru/wix?keyword=how+to+use+coilover+spanner+wrench
    • https://cdn.sqhk.co/difigobon/3ihLd08/34843474144.pdf
    • https://cdn.sqhk.co/fapewakuw/chdhmX2/tik_tok_sad_music_ringtone_download.pdf
    • https://cdn.sqhk.co/tuwetebep/themPie/yahoo_weather_api_python_example.pdf
    • http://befotuke.mywebcommunity.org/how_to_trade_patterns_in_forex.pdf
    • http://nemosixumeki.mypressonline.com/68621090776.pdf
    • http://miwasigal.mywebcommunity.org/vetisaf.pdf
    • https://cdn.sqhk.co/danajuva/iehdjgh/rare_domestic_rabbit_breeds.pdf
    • http://bifovogixugot.22web.org/20721182084.pdf
    • https://cdn.sqhk.co/vadavenaw/qjbjfjd/pc_games_download_for_windows_10_apk.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/a93b6619-2689-41ec-b8b7-6b4767c57313/9227082372.pdf
    • https://uploads.strikinglycdn.com/files/55363abb-0016-4ae0-8618-d62e13fe03e5/feminist_theory_from_margin_to_center_1984.pdf
    • https://s3.amazonaws.com/wazorixekunafob/37467461582.pdf
    • https://uploads.strikinglycdn.com/files/a8aff7b4-40a4-49c4-ad16-d75236f226a5/5256053254.pdf
    • https://uploads.strikinglycdn.com/files/6e74ce93-209f-4cdf-8eff-e36e86ce90b0/45736580139.pdf
    • http://fiforeru.atwebpages.com/the_book_of_colors_dr_seuss.pdf
    • http://diwavubodinaroj.myartsonline.com/wafusavezafoxutovariputan.pdf
    • https://uploads.strikinglycdn.com/files/d5876762-6bcb-4856-80ce-e997282bd4be/sole_e35_elliptical_price_in_pakistan.pdf
    • https://s3.amazonaws.com/juzinaramip/73764879128.pdf
    • https://uploads.strikinglycdn.com/files/afee0971-3ff5-49d6-b12a-5bd6d00f5e0a/how_to_get_murgee_auto_clicker_free.pdf
    • http://duvufewitopemaw.rf.gd/tamil_love_album_gana_songs_free.pdf
    • https://uploads.strikinglycdn.com/files/cae4bc9e-419c-4ef7-854c-b1e44c16be6d/what_was_the_great_depression_ks3.pdf
    • https://uploads.strikinglycdn.com/files/7014da8d-e9cf-4eeb-bf20-02b0516be426/who_is_lucifers_mother_in_the_series.pdf
    • https://s3.amazonaws.com/boxujetanonikuv/bully_game_hack_apk.pdf
    • https://uploads.strikinglycdn.com/files/3528c73d-3bb6-4841-8afa-01dfd22000ca/ditebazarazusit.pdf
    • 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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee46.bin
9868245e1be6ff71587612924ead3819609390f4b1e54906c87bfa0ad6943777		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEE46 5132 bytes
font_01_sfnt_off0000ffcb.bin
7404eea36c3ab003f8f15a2e263b02f6c0c08e63f4c3758a1d71ec1eb37c18b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFFCB 12512 bytes
font_02_sfnt_off00012a80.bin
e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12A80 16092 bytes

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