Malicious PDF — malware analysis report

Static analysis result for SHA-256 a560ad84002e1862…

MALICIOUS

PDF

81.9 KB Created: 2021-03-15 17:51:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 7f5be1c8a4170573f0c1e6b12a5ac436 SHA-1: 166d1ec91f4df54b30cf570bad3467e9760a1882 SHA-256: a560ad84002e1862b463ad3a3e806e657c8be54ead610e5e62814c38e191df5f
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/aws?utm_term=remington+700+bdl+223+accuracy PDF link annotation
    • http://tozepefaj.iblogger.org/poruxugebarijupagavomi.pdfIn PDF document text
    • http://kedugobepuged.mywebcommunity.org/dezavetobafo.pdfIn PDF document text
    • http://ketotreno.buzz/68096897161emznh.pdfIn PDF document text
    • http://chambreop.xyz/how_do_you_defend_yourself_from_a_tiger6xf55.pdfIn PDF document text
    • http://xugafigipi.22web.org/ukulele_chord.pdfIn PDF document text
    • http://doordash.fun/28455103158w3z3q.pdfIn PDF document text
    • http://gatowixipeba.mywebcommunity.org/craftsman_platinum_7.25_190cc_engine_oil.pdfIn PDF document text
    • http://majijeniwadimu.22web.org/bahubali_hd_songs_tamil_free.pdfIn PDF document text
    • http://rawiduti.medianewsonline.com/easy_keto_recipes.pdfIn PDF document text
    • http://brightshopbg.xyz/ms_access_for_beginnersjkjbk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://genuxemesusirif.rf.gd/what_is_primal_force.pdfIn PDF document text
    • https://s3.amazonaws.com/kiguteperilodu/jonesuniz.pdfIn PDF document text
    • https://s3.amazonaws.com/bezegoluzose/business_card_templates_photoshop.pdfIn PDF document text
    • https://s3.amazonaws.com/xisakazelelinim/puxotag.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/64140214127.pdfIn PDF document text
    • http://kebewuf.rf.gd/15286732693.pdfIn PDF document text
    • https://s3.amazonaws.com/zinudipir/initialize_static_member_of_template_class.pdfIn PDF document text
    • https://s3.amazonaws.com/kegovev/cant_get_pilot_lit_on_gas_fireplace.pdfIn PDF document text
    • https://s3.amazonaws.com/mujevubutukoxu/combining_sentences_using_appositives_answer_key.pdfIn PDF document text
    • http://nonosolagosev.epizy.com/pefiwogefum.pdfIn PDF document text
    • http://xofemamerisip.epizy.com/cinderella_story_short.pdfIn PDF document text
    • http://fazaburifug.myartsonline.com/fujifilm_finepix_s8600_manual_espaol.pdfIn PDF document text
    • http://zuboxevu.epizy.com/zidepuxufajegeteziv.pdfIn PDF document text
    • http://vikenigekewojo.epizy.com/blank_t_shirt_template_psd.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ff68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF68 5848 bytes
SHA-256: b146839287958f6edd348abdf7790f4d0a218553164019cc2889bf9443e5c123
font_01_sfnt_off0001134c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1134C 11436 bytes
SHA-256: f108f1218b16cea487c09c7988007cc5318da9dc8ab5c3dbc512174a7cf22a26

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