Malicious PDF — malware analysis report

Static analysis result for SHA-256 207c336d23d0820c…

MALICIOUS

PDF

73.2 KB Created: 2021-03-06 09:22:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 080af77f44a3af0ae2ccd82abfe5392b SHA-1: 09a94bec12c8852195e249a592eeaf662eb063ef SHA-256: 207c336d23d0820c0e5f1dc7dffb74ecea3f4b00f0fde14ef2a18bba69eb7ddb
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://dugedepap.ru/award?keyword=la+carta+a+garcia+completa+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4378157/normal_6029522704ad2.pdfIn PDF document text
    • http://zekifafeter.scienceontheweb.net/serilanoxukitobanuruxap.pdfIn PDF document text
    • http://luxomozuk.mypressonline.com/thule_bike_rack_extension_straps.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389370/normal_5fce07765627e.pdfIn PDF document text
    • http://babitilakibo.mywebcommunity.org/80766611564.pdfIn PDF document text
    • http://gufurebu.medianewsonline.com/building_drawing_software_for_mac.pdfIn PDF document text
    • http://sevezor.scienceontheweb.net/49636746624.pdfIn PDF document text
    • http://tijudozi.scienceontheweb.net/resumen_por_capitulos_de_la_leccion_de_august.pdfIn PDF document text
    • http://dejivuxa.mygamesonline.org/68106322898.pdfIn PDF document text
    • http://navevukosuso.mypressonline.com/58398115464.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jadivepijuga.myartsonline.com/kumon_workbooks_free_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/26742db9-fa61-4d31-9f98-58787f932093/31177009500.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/285e53b4-c6eb-467c-979b-bb8d5e50090d/boy_scouts_of_america_fire_safety_merit_badge_requirements.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66a7217c-47cc-46d3-ba11-a6e775add52d/will_the_bronze_horseman_become_a_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/174d1d89-9823-4608-ae71-8e02c54df78e/what_does_ninety-five_theses.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/19856117-6d19-481d-8042-a0a8a52d7a2b/mejimolakigumuwizori.pdfIn PDF document text
    • http://livirava.atwebpages.com/69919975266.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/af55753b-34dc-4ca0-b3d8-4e3c3b24143a/memonu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f70fab37-2769-4b9b-a2b8-15b34b9c9a4a/galaxy_dx_959_cb_radio_manual_en_espaol.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/28093a1d-af4f-48da-b7a4-2dfbbd7c8bed/sivuwewawonexajoperinezo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c198e84-c7c8-4bbc-ace7-70209e74d473/can_a_sony_handycam_be_used_as_a_webcam.pdfIn PDF document text
    • http://mifotabelimudon.myartsonline.com/daily_use_english_sentences_in_classroom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/308e1672-9b73-4bfc-bbaf-24d32c845c7a/fosenemejesodutelipedu.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_off0000e2d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2D0 5236 bytes
SHA-256: 32287c887664e30d45755f45f3edfa78f44fba558ddd5ec9022d7b307727508e
font_01_sfnt_off0000f490.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF490 10112 bytes
SHA-256: 012eaedcbb8d5e637bfe047770ea9bf469154ee2fbd703cf8666276eb87324f0

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