Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c160344ae136f85…

MALICIOUS

PDF

68.6 KB Created: 2021-02-19 13:52:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 5d78aeffbcd7b26180b5afef094e5a2a SHA-1: 6972f0a0271b41a289903a7c1351118f58b8169c SHA-256: 6c160344ae136f85b5d1b8b54b0b928a64eb9e0e09b4a017c612f7cea8ca9208
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://druttle.ru/wix?keyword=fisher+price+roarin+rainforest+jumperoo+manual PDF link annotation
    • https://cdn.sqhk.co/wugeguxu/gijgdif/gba_emulator_apk_download_for_pc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446765/normal_600875f676c82.pdfIn PDF document text
    • http://gidpopiteru.com/tablet_irulu_x7_hard_resetcv3i6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388279/normal_5fdf64eb71a15.pdfIn PDF document text
    • http://tricitysikhs.com/1983767503ts7bl.pdfIn PDF document text
    • http://timecodes.net/443696846079p19h.pdfIn PDF document text
    • https://cdn.sqhk.co/mezutorixo/TzxjeUT/f1_playlist_gta_5.pdfIn PDF document text
    • https://cdn.sqhk.co/bidogefapo/fM9pbGp/rafarunolugo.pdfIn PDF document text
    • https://cdn.sqhk.co/nonagidux/gfhiiec/sengled_pulse_solo_smartthings.pdfIn PDF document text
    • http://montana-media.com/bijli_song_tamil3kdem.pdfIn PDF document text
    • https://cdn.sqhk.co/kupuvikadob/hc6gfii/lejimageguzif.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407331/normal_6017d06c8c6c7.pdfIn PDF document text
    • https://cdn.sqhk.co/sinewuvemomi/hehaVjj/subebilutakalizep.pdfIn PDF document text
    • https://cdn.sqhk.co/zeritogekuja/BEhbXjh/milkchoco_pc_download.pdfIn PDF document text
    • https://cdn.sqhk.co/mofosalamo/UDZvd1k/text_message_sound_effect_mp3_free_download.pdfIn PDF document text
    • http://drive4mclaneaustell.com/inpixio_photo_maximizer_pro_free_dow7rtf2.pdfIn PDF document text
    • https://cdn.sqhk.co/kogeledewafo/chiFjbl/gaming_chair_pillow_custom.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/pewibim/35696691190.pdfIn PDF document text
    • https://s3.amazonaws.com/tezude/29781221804.pdfIn PDF document text
    • https://s3.amazonaws.com/petubapizo/real_flight_simulator_apk_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/sakaburepagase/bovofakupuwa.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_off0000ced2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCED2 5288 bytes
SHA-256: bf2bdbcca59c9aafc7c2aea921ec3dd3b201e851026995741d87e42bb7c1bd75
font_01_sfnt_off0000e0ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0AC 10096 bytes
SHA-256: aec4a054d963df82bce0ffc367f2f5fde95f4500e8d1ba3e959aa6f2731ec0dc

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