Malicious PDF — malware analysis report

Static analysis result for SHA-256 006072a691a2c01b…

MALICIOUS

PDF

76.1 KB Created: 2021-03-24 03:36:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 447d3383e0d218472b5ac680d80788b6 SHA-1: 39d6b451530e2f38945a677e17066bde40a87956 SHA-256: 006072a691a2c01b80bfc1c5714a09cc4fb0d234cea0c986b8dde40242a0cdc8
104 Risk Score

Malware Insights

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

The file is a PDF document flagged by ML classifiers and ClamAV as malicious, specifically identified as a phishing trojan. It contains an embedded URI pointing to a URL that is likely part of a phishing campaign. The document body, though heavily obfuscated, suggests a lure related to an 'iphone 4 manual pdf'. No scripts were extracted, but the overall context points to a phishing attack leveraging a malicious PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://botokaw.ru/wix?keyword=iphone+4+manual+pdf
    • https://cdn.sqhk.co/tezakagadol/0jeehfp/53917560796.pdf
    • https://cdn.sqhk.co/mafowixodi/dhghdl3/simple_reversible_chemical_reactions.pdf
    • https://cdn-cms.f-static.net/uploads/4408989/normal_602d9b5817749.pdf
    • http://takipleskazan.org/hail_the_king_espaolep4sh.pdf
    • http://easybranding.org/27883860762wi5hd.pdf
    • https://cdn.sqhk.co/xovinexesun/hczhiw9/battlefield_4_commander_app_android.pdf
    • http://revershjtb.site/37320806109w3qbr.pdf
    • https://cdn.sqhk.co/pozigafo/cwggcpT/mystic_messenger_707_route.pdf
    • https://cdn.sqhk.co/wuzevunoxina/c2jahdN/fazisipelu.pdf
    • http://fullhp.info/outlast_1_viet_hoaso1lo.pdf
    • https://cdn-cms.f-static.net/uploads/4464530/normal_5fe60f9fe3da1.pdf
    • http://copalofa.site/roblox_promo_codes_generator_no_human_verificationb8m09.pdf
    • http://freshmind.net/pejatitewakakuzusezite5o859.pdf
    • https://cdn-cms.f-static.net/uploads/4391602/normal_600fb0e14ed92.pdf
    • https://static.s123-cdn-static.com/uploads/4470839/normal_5fff56df0c1ba.pdf
    • https://cdn.sqhk.co/revujinarewu/YOegdhh/kontrabass_auf_englisch.pdf
    • http://nebo-baikala.ru/risc-_v_vs_x86_performanceyk1tp.pdf
    • http://indital.space/55645237852d6vek.pdf
    • https://cdn.sqhk.co/gadowikuxe/X7Lijif/marathi_calendar_2019_apk.pdf
    • https://cdn.sqhk.co/sejixikerut/jjiFhjh/zombies_two_party_decorations.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/kuxuxemu/mikosunekekezosulexogova.pdf
    • https://s3.amazonaws.com/pazerogasarinu/21688007270.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_off0000eaae.bin
e1dd22fcfa7ffee890a889638800fa381f4f0def6f6b9591324711ece94df831		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEAAE 5032 bytes
font_01_sfnt_off0000fbaf.bin
a25c5733b4e1887ac10af14e7360bb0068b0f589d71f45ad956bd4a0950677fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFBAF 11692 bytes

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