Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c8cb29a74e83d64…

MALICIOUS

PDF

75.1 KB Created: 2021-04-15 16:46:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 227c3fd9d8f36f1fac9629ea4ffb0a5d SHA-1: 0fa840aedb96c380df919bd26c0be4495f221eaa SHA-256: 6c8cb29a74e83d64c8b1333b6b02e6eaf52390857bdaed4a032470fde240ea8e
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 0.9996

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://jacksth.ru/strik?utm_term=craftsman+315+garage+door+remote+not+working PDF link annotation
    • http://lurubalopare.sportsontheweb.net/el_espacio_interior_anselm_grun.pdfIn PDF document text
    • http://ebay-coupon.ru/saxophone_repair_cost84ij2.pdfIn PDF document text
    • http://zelopaqq.xyz/gavafugiwetapubaritukia70dz.pdfIn PDF document text
    • http://gepokupaburorew.mywebcommunity.org/bbc_compacta_class_11_english_solutions.pdfIn PDF document text
    • http://lejunuzegakikuv.mypressonline.com/99361781281.pdfIn PDF document text
    • http://service-hire.com/97904216743dfo4m.pdfIn PDF document text
    • http://antinomi.design/jofixaxapawaderan88vm.pdfIn PDF document text
    • http://dizurexemubegog.mygamesonline.org/zatuponowovasip.pdfIn PDF document text
    • http://storeyou.store/cardinal_pole_school_uniform_shopc0wsa.pdfIn PDF document text
    • http://storedubai.shop/dexult4v3j.pdfIn PDF document text
    • http://nulivanofika.mygamesonline.org/6151324858.pdfIn PDF document text
    • http://goproits.com/tamagotchi_mini_2017_instructions2m4n7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/zijivevip/69309517094.pdfIn PDF document text
    • http://dejibokakar.onlinewebshop.net/a_carochinha_e_o_joo_rato_luisa_ducla_soares.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwuxot/critical_analysis_of_castle_of_otranto.pdfIn PDF document text
    • https://s3.amazonaws.com/fumiposamisur/fisokozata.pdfIn PDF document text
    • https://s3.amazonaws.com/viromibukoleliw/dipuvulefalorelu.pdfIn PDF document text
    • https://s3.amazonaws.com/kefodek/zokok.pdfIn PDF document text
    • https://s3.amazonaws.com/gozifep/the_introvert_advantage_book.pdfIn PDF document text
    • https://s3.amazonaws.com/rebomedug/how_to_setup_remote_control_for_harbor_breeze_ceiling_fan.pdfIn PDF document text
    • http://bugazepoja.onlinewebshop.net/kenmore_700_series_washer.pdfIn PDF document text
    • https://s3.amazonaws.com/lomogas/67574521965.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_off0000e3e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3E6 5596 bytes
SHA-256: 58d7e3d4a0756c03ca754d3bd827fe5f7c0270c7925d7e826048f2f574e9bc4c
font_01_sfnt_off0000f6f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6F1 11316 bytes
SHA-256: b84309a1f346dc85f29393fc4b5acad5af5bad6a0b0e0c1e17f61ae85df9fa3a

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