Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e7cb9730b3a1c4a…

MALICIOUS

PDF

74.1 KB Created: 2021-04-04 13:41:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 6d0ed18e34789c35d31010804ab7a851 SHA-1: 1915b20b15e2e18c1d598e9f4de7674dc87fba88 SHA-256: 6e7cb9730b3a1c4a5a372a9a679be974f62312aa00cd6d6e38706a2d78fa1f5f
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://fokemale.ru/strik?utm_term=how+to+do+bleach+splatter+shirt PDF link annotation
    • https://cdn.sqhk.co/nesadatifu/4JjfzQb/jetoko.pdfIn PDF document text
    • http://bewujasixi.mywebcommunity.org/listino_bticino_axolute.pdfIn PDF document text
    • https://cdn.sqhk.co/balapakufogo/Lhjif4z/22661985542.pdfIn PDF document text
    • http://sefadalok.iblogger.org/butib.pdfIn PDF document text
    • https://cdn.sqhk.co/porekige/xhfhdmw/events_near_here_tomorrow.pdfIn PDF document text
    • https://cdn.sqhk.co/zumufapofow/aigl5jb/drought_pronunciation_american.pdfIn PDF document text
    • https://cdn.sqhk.co/petawelesup/pRhbgcC/vanebijusedewabo.pdfIn PDF document text
    • https://cdn.sqhk.co/bekutojeke/igzigH7/58488028697.pdfIn PDF document text
    • http://muxevaxudinibo.iblogger.org/92966575673.pdfIn PDF document text
    • https://cdn.sqhk.co/vedukosamo/SKXhdnv/zokorekutoziwiguxub.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/tugafebip/how_to_setup_q_see_app.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7354f3b3-c97f-4487-b38d-329535b33bc2/21725526256.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/374ad2c4-13a8-4edb-a932-ce53d5e29754/21981073155.pdfIn PDF document text
    • https://s3.amazonaws.com/fuzafuzeruwit/36623251512.pdfIn PDF document text
    • https://s3.amazonaws.com/poresi/waterpik_water_flosser_tips_amazon.pdfIn PDF document text
    • https://s3.amazonaws.com/navoburarovada/what_are_the_characteristics_of_a_good_teacher.pdfIn PDF document text
    • http://kavibajegis.onlinewebshop.net/how_to_get_gamestop_coupons.pdfIn PDF document text
    • https://s3.amazonaws.com/tometubufimopim/notacion_cientifica_teoria_y_ejercicios.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7b8950c7-9444-4442-92a4-ed628f42a38f/how_does_the_alliance_system_lead_to_war.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/300140fb-09cc-4413-84d6-88c0c6483196/13347297200.pdfIn PDF document text
    • http://vobonosad.rf.gd/metabolic_disorders_of_lipid_metabolism.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_off0000e617.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE617 5356 bytes
SHA-256: 4f10b47ef5031309196a355ad835d0c779e5a2d539c7fd1b4f68a8533dfdb762
font_01_sfnt_off0000f84d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF84D 10248 bytes
SHA-256: 7aefe2789ec47fb186061f5138e93d874ec36c1c62cfa0dd48c3533d37c6a7c4

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