Malicious PDF — malware analysis report

Static analysis result for SHA-256 29200b7919fc8e32…

MALICIOUS

PDF

83.6 KB Created: 2021-04-05 00:24:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 56dcad70f4b4ce7653501cb03e5de04e SHA-1: 35d89625d9a7381e45bc63c53871882f1cd5d051 SHA-256: 29200b7919fc8e323fc6044ab2a237c482f705ad8e874b50fb6efce7d130639f
104 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of external URIs, specifically the one pointing to 'archero mod apk unlimited gems', suggests a lure for users to download potentially harmful content. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution attempt, likely using a social engineering pretext to trick users into downloading a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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
  • 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://jacksth.ru/wix?keyword=archero+mod+apk+unlimited+gems
    • https://cdn.sqhk.co/vegedusovo/tmLhbvX/online_silent_auctions_for_nonprofits.pdf
    • https://cdn.sqhk.co/xeduwukaxusa/AhdvjeX/personalised_cake_bakery_near_me.pdf
    • https://cdn.sqhk.co/sudidoxa/qsPgcge/75134273553.pdf
    • https://cdn.sqhk.co/tamejenonisi/LigyOhb/pop_smoke_most_played_songs.pdf
    • http://vomeperegobo.22web.org/ronolinubewosibareperoj.pdf
    • http://allrecipes.pro/fitugae4018.pdf
    • https://cdn.sqhk.co/lipebefaje/uggidij/talking_bird_demo_lyrics.pdf
    • https://cdn.sqhk.co/texojijoraso/bijCjg9/noburalezol.pdf
    • http://sobakin.space/polk_omni_sb1_plus_bluetooth_setuptyeoh.pdf
    • http://kekemubitaf.iblogger.org/raees_bacha_audio_songs_free.pdf
    • https://cdn.sqhk.co/sadirorig/emigiiR/61935431855.pdf
    • https://cdn.sqhk.co/pemejurove/g5hhiih/97655853653.pdf
    • http://kieverts.xyz/nenax5g6dh.pdf
    • https://cdn.sqhk.co/nojedajoze/MhbWDha/fanuwum.pdf
    • https://cdn.sqhk.co/xomifinetepi/1gdjagg/jolt_definition_sentence.pdf
    • https://cdn.sqhk.co/nagebagem/jiggCAA/roblox_deadly_sins_retribution_guide.pdf
    • https://cdn.sqhk.co/vefapatape/djbjjij/final_fantasy_crystal_chronicles_ps4_amazon.pdf
    • http://pefiworawodud.mypressonline.com/69030143920.pdf
    • https://cdn.sqhk.co/nudavede/jajlHid/53022420317.pdf
    • http://bezanaralizeke.iblogger.org/pajusavakenak.pdf
    • http://baby-slings.ru/followers_app_instagram_hackmtgs2.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://duliwijedij.rf.gd/geometry_according_to_sulba_sutra.pdf
    • http://tavoxelelenasi.onlinewebshop.net/43028129564.pdf
    • http://pixawobizazixe.rf.gd/supercapacitors_101.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010946.bin
46448819c4239802d159b8d8876baee857fcbf30af3385383b292dd7452ccdb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10946 5540 bytes
font_01_sfnt_off00011be9.bin
9f207ebe50e3cdfccc91e2c4cd0019bfde9d2d20142525667175b48f1bc71c15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11BE9 10884 bytes

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