Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cec854724b22cab…

MALICIOUS

PDF

82.2 KB Created: 2021-03-20 05:08:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 2a38b9177c76633acd7f9e1524346952 SHA-1: 93dc3cf8c6541ded92321198fa50382ddffe1625 SHA-256: 7cec854724b22cab09753414768179b21a0c40febcc66698cf3c3260ea7af1e4
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 0.9994

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=which+of+the+gospels+are+in+chronological+order PDF link annotation
    • https://cdn.sqhk.co/kokedipemi/jcjF9jj/45540096725.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380699/normal_5fec3ae4aa7b5.pdfIn PDF document text
    • http://tlgfree.xyz/silidiwop3ba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481518/normal_5fd99fbb82140.pdfIn PDF document text
    • https://cdn.sqhk.co/lewulula/xjgijMH/lightroom_presets_free_portrait.pdfIn PDF document text
    • https://cdn.sqhk.co/ruvonusebex/ggfifgf/marvel_contest_of_champions_hack_download_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416930/normal_5fe1c1c0d0f59.pdfIn PDF document text
    • http://googsnat.space/a_confederacy_of_dunces_audibleyc687.pdfIn PDF document text
    • https://cdn.sqhk.co/leporolino/fhhhcig/detention_game_walkthrough_chapter_3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445739/normal_5ff862714205c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ca40ca9-91b1-4e87-ae0a-067cd0531998/tobidevuwivudulikusaba.pdfIn PDF document text
    • https://s3.amazonaws.com/mogedozara/how_to_say_mother_trucker_in_spanish.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4676ca74-dda2-4e68-9464-3c217536ab23/cupid_and_psyche_story_tagalog.pdfIn PDF document text
    • https://s3.amazonaws.com/xakajoziwibi/jekefega.pdfIn PDF document text
    • https://s3.amazonaws.com/gumagabu/nevutubepega.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/46a114e8-58dc-469f-877b-39bf0b52093a/what_is_electrical_theory.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/roman_numerals_1-_500_worksheets.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9bb7cec9-2776-4450-aed5-617eba347d62/5549573556.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/99c76f18-4f70-4884-8461-cb7fd78e9928/tudivewotexolago.pdfIn PDF document text
    • https://s3.amazonaws.com/lomiwexuva/affairscloud_current_affairs_july_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/jajoxulabojaso/zamfir_the_lonely_shepherd_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/wetevali/how_do_i_program_my_liftmaster_remote_to_my_chamberlain_opener.pdfIn PDF document text
    • https://s3.amazonaws.com/nisiwanolom/murilomukofagowizikaso.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

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001028e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1028E 5432 bytes
SHA-256: 3b73018fd86691790e90383a3245204866df3ca2a30d8011921e7f4fadb6b57f
font_01_sfnt_off00011518.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11518 11152 bytes
SHA-256: e6e3663841c564abb50a1394fd6db69c114f2f9af15c4029ad3edac5b9953970

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