Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e216f2e480a11ee…

MALICIOUS

PDF

79.8 KB Created: 2021-03-18 11:55:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 76709a921c869de48fc37aefe2479e6e SHA-1: 7e5c88d720eee7c736bd4fcf8ed6c3353f7159a5 SHA-256: 8e216f2e480a11ee185bd350bc90dc1830213b3dd01cfc9c93281fa5ca1a4cc8
116 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by a machine learning classifier and ClamAV. The 'SE_CALLBACK_LURE' heuristic indicates it contains content designed to trick users into calling a phone number, a common tactic in phishing and tech-support scams. While no scripts were extracted, the presence of embedded URLs suggests a potential for further malicious activity or redirection.

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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/aws?utm_term=what+is+the+significance+of+the+case+mapp+v+ohio
    • https://cdn.sqhk.co/titesojijuko/jdehhIt/toca_blocks_download.pdf
    • https://cdn.sqhk.co/jawafurovif/enHfW47/life_after_death_quotes_bible.pdf
    • http://watogoda.mypressonline.com/penifavenisuvavajarabupi.pdf
    • https://cdn.sqhk.co/xuvisisitinu/hmjfkY3/89379308897.pdf
    • https://cdn.sqhk.co/pijajawopoji/dp9K9hg/wolf_howls_audio.pdf
    • http://balegetiwep.mywebcommunity.org/49070346022.pdf
    • http://komaxinatobofe.medianewsonline.com/what_is_a_good_book_of_the_bible_for_couples_to_read_together.pdf
    • http://galobesunin.22web.org/derating_guidelines_for_ceramic_capacitors.pdf
    • https://cdn.sqhk.co/wobuwaseja/eDgegcb/coffin_dance_piano_ringtone_mp3_download.pdf
    • http://tevajevidiwa.22web.org/bee_movie_app_for_android.pdf
    • http://leninuludobodu.mygamesonline.org/tolupoxalebiwodul.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://roxewew.epizy.com/fageruxeg.pdf
    • http://fadezanunadafik.myartsonline.com/xaxubewevifusuloxabe.pdf
    • http://liraperuwuw.atwebpages.com/miminedakanosofu.pdf
    • https://uploads.strikinglycdn.com/files/ef80320d-6300-4fc5-94bf-a5c5833f8bb9/what_are_the_professional_standards_for_teachers.pdf
    • http://tojugejuxutusur.epizy.com/how_long_does_it_take_to_charge_onn_bluetooth_headphones.pdf
    • http://jawaduxivibono.epizy.com/lexmark_ms310d_toner_cartridge.pdf
    • http://mawokale.myartsonline.com/rtgs_application_form_corporation_bank.pdf
    • https://uploads.strikinglycdn.com/files/c39de685-7211-4300-8198-423eff7376e5/zewibinituvilixekabuganiv.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_off0000f9f7.bin
d06ee509984752f5ddc555a0308ca47b0844721526fe879c8a5525b2479efae1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF9F7 5372 bytes
font_01_sfnt_off00010c3a.bin
b675d47464e8d6626c38ccb6deaec12bd4a0d426e9ee72a5e627133ef7d27dc4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C3A 10988 bytes

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