Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b47f10d1dc02e0a…

MALICIOUS

PDF

85.8 KB Created: 2021-05-15 06:25:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ee9e8adaced2f77b0cb82eba6a367f53 SHA-1: ccb98f94d5cb3d0d1ea7615ca9b0f7d94c0d2cf9 SHA-256: 4b47f10d1dc02e0a5e3f691d4b5a0e94e7899efd679308a6646e276f4c285c2e
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 0.9996

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://lozipotod.ru/strik?utm_term=why+does+my+candle+flicker+a+lot PDF link annotation
    • https://cdn.sqhk.co/lidupusumoj/W7iHoWv/sas_zombie_assault_3d.pdfIn PDF document text
    • https://cdn.sqhk.co/xopuxuvop/yThhNgg/nejuxu.pdfIn PDF document text
    • http://pokemonrivals.online/wefulezosof96y.pdfIn PDF document text
    • https://cdn.sqhk.co/nipigagavadu/hdhiyok/car_simulator_games_mod_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454045/normal_600ffb79b049f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489740/normal_5fe2517178169.pdfIn PDF document text
    • https://cdn.sqhk.co/mowamukar/axha0NP/notepad_for_android_phones.pdfIn PDF document text
    • https://cdn.sqhk.co/lirotigi/cejXhf6/modern_warfare_servers_down_today.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386086/normal_604776ecbb337.pdfIn PDF document text
    • http://trafikcezaodebayisi.com/dubai_weather_in_januaryf42yq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465263/normal_5fcd1005d4010.pdfIn PDF document text
    • https://cdn.sqhk.co/zedazisem/igDUjfr/zigowedaruzokerijagilu.pdfIn PDF document text
    • https://cdn.sqhk.co/mamidusidozu/Gb4icjj/sisters_hospital_visiting_hours.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/memobofilenabon/the_love_dare_full_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/16697bd9-1392-4488-9452-208d30f74d1e/how_to_recline_britax_car_seat_forward_facing.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e8c951f-d46d-434c-9c61-317b8151bca5/49741095551.pdfIn PDF document text
    • https://s3.amazonaws.com/varolexexus/52123872208.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9d4b66f3-6444-4b11-9968-675de7133d34/end_of_the_world_song_lyrics_day_by_dave.pdfIn PDF document text
    • https://s3.amazonaws.com/makixibawumebol/convert_string_to_int_ascii_c.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/53576465-1a43-4026-864a-219d4e8c4edc/82704325325.pdfIn PDF document text
    • https://s3.amazonaws.com/purawuma/xejadetewamo.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001019d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1019D 5228 bytes
SHA-256: 289f5ecd6cf87509fca76d47732220590af7fbf2fd2d3bfa9105644e6bb2daaf
font_01_sfnt_off00011346.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11346 11532 bytes
SHA-256: ff65ebe418d224b5fe84b5afbe3b794d863a251ca38ffcef9eb6eb8a34fa6dcc
font_02_sfnt_off00013a34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13A34 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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