Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ccb09aecf0c67a9…

MALICIOUS

PDF

77.1 KB Created: 2021-03-24 11:49:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 494804cc89786cd4605e4851c79a10ec SHA-1: 51c3367fdf8e8c1146a3f38e9ca869b309d3cf98 SHA-256: 6ccb09aecf0c67a9e2564aceee2d5d0443572c260f022aa9c869bbcef1dcb63d
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 0.9998

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://gimoguvi.ru/award?keyword=analog+multimeter+specification+pdf PDF link annotation
    • https://cdn.sqhk.co/vilomikov/dgfijje/nekogatadixusuzuza.pdfIn PDF document text
    • https://cdn.sqhk.co/vazoguzo/jjijagg/74723837185.pdfIn PDF document text
    • https://cdn.sqhk.co/tekemozuj/isgcQha/legacy_2_the_ancient_curse_cheats.pdfIn PDF document text
    • https://cdn.sqhk.co/xafiguzi/bgi7dLB/navagopo.pdfIn PDF document text
    • http://ig-copyrightviolation.com/33926139421dyb8k.pdfIn PDF document text
    • http://plusstore.pro/suvezunevowojah87me.pdfIn PDF document text
    • http://idealica-official.website/how_to_reset_my_visual_voicemail_greetingqm3c4.pdfIn PDF document text
    • https://cdn.sqhk.co/tixukiko/SibYiff/ghostin_ariana_grande_sheet_music.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/dopugaxelelema/36672647979.pdfIn PDF document text
    • https://s3.amazonaws.com/polexebuj/xoruwowok.pdfIn PDF document text
    • https://s3.amazonaws.com/widetunipet/chakrini_songs_of_the_soul_free.pdfIn PDF document text
    • https://s3.amazonaws.com/gawabog/how_to_control_thermal_comfort_of_a_house.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ece7c7c7-83a9-472a-bda0-5348d8eadaca/namemuzugepesete.pdfIn PDF document text
    • https://s3.amazonaws.com/wisuw/avaya_aura_communication_manager_messaging_user_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/zabejuvijolu/89598837216.pdfIn PDF document text
    • https://s3.amazonaws.com/kugelilizibuwum/bigexutibarafebigeramaki.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/485749e8-7fb4-4660-bf9a-16dd60ed6c93/87028148263.pdfIn PDF document text
    • https://s3.amazonaws.com/nowokil/biwetipiwepuwiworubizuba.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_off0000ee91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE91 5464 bytes
SHA-256: 27d336f04a3e39e5a0c0dd816d2e5a3d20147f2d63d4d6c0cdc49108059863ee
font_01_sfnt_off00010113.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10113 11232 bytes
SHA-256: 9563afd36609b08f519454c2bd98851fa820e37bc6344749942189e2a01a7702

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