Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dcb6f65a0c1c2bb…

MALICIOUS

PDF

76.7 KB Created: 2021-02-13 20:09:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: e6093c4482939f8f1630cbe8e1163107 SHA-1: b5f85ca8aa061a3755403afe9d689fd094c6705e SHA-256: 3dcb6f65a0c1c2bba7850de672ff69851c875ebfe02a347e2fb19245e4714a60
96 Risk Score

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://maypoin.ru/aws?utm_term=bnm+ccris+report+online PDF link annotation
    • http://prod-fruit.space/livro_genetica_veterinaria7a9ke.pdfIn PDF document text
    • https://cdn.sqhk.co/minamojazi/4jaahad/word_crush_daily_sept_22.pdfIn PDF document text
    • http://vemasujananexu.22web.org/dmax_tv_guide_uk.pdfIn PDF document text
    • http://mmmmmme.space/andco_actuator_manualwtkmg.pdfIn PDF document text
    • http://soluzixod.66ghz.com/92480724650.pdfIn PDF document text
    • http://prizinsta365.website/25771435415gbvh2.pdfIn PDF document text
    • https://cdn.sqhk.co/wimedizi/geEO1PP/armor_beast_arcade_fighting_2_hack_mod_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/jidevumedure/gfcfggB/4919245268.pdfIn PDF document text
    • http://gnfcns.info/xuseruselowejilotoo2ek6.pdfIn PDF document text
    • https://cdn.sqhk.co/zotiperugi/aiciaii/how_to_play_imposter_among_us.pdfIn PDF document text
    • https://cdn.sqhk.co/lupobikud/iagfAhh/amazon_prime_customer_service_phone_number.pdfIn PDF document text
    • http://zebekuji.22web.org/gemow.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/woxewiwupir/rheumatoid_arthritis_guidelines_australia.pdfIn PDF document text
    • http://torumaxot.rf.gd/adaraya_agamaki_dj_song_free.pdfIn PDF document text
    • http://muzezal.rf.gd/lenovo_g50-_30_80g0_bios.pdfIn PDF document text
    • http://wajifinome.epizy.com/android_check_internet_connection_broadcast_receiver.pdfIn PDF document text
    • http://gewapapis.epizy.com/atari_2600_pong_rom.pdfIn PDF document text
    • https://s3.amazonaws.com/wajibile/fishing_report_dworshak_reservoir.pdfIn PDF document text
    • https://s3.amazonaws.com/bokelur/formal_synonym_for_seems_like.pdfIn PDF document text
    • https://s3.amazonaws.com/tigewibejageju/switzerland_tourist_map.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_off0000ed5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED5B 4920 bytes
SHA-256: 5df05ed211587248b4a80ac4808f66d88dfe0eb7eb3f1040b224f000921e4119
font_01_sfnt_off0000fe02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE02 11876 bytes
SHA-256: 6c24fdd02c99050db51c4a89f488b04f866f4c0ee8df49d75fbda1ff2a52d215

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