Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cb3f95eb658af1f…

MALICIOUS

PDF

79.4 KB Created: 2021-03-23 02:33:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0f0272002f11aaeddb5ac83d32cb77a3 SHA-1: ed92c3cc60f241906b39f6e1dd2af96b5b99cc0f SHA-256: 2cb3f95eb658af1f88f989c851bc655ee40afb3a50df6b423dd6e4923cd6430c
98 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • ClamAV scan did not complete info CLAMAV_SCAN_INCOMPLETE
    ClamAV scan on this file did not complete (ClamAV error (exit 2)); the verdict reflects only static heuristics. The result is not cached so a later submission will retry the scan.
  • 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://pelibifir.ru/strik?utm_term=how+to+clean+a+manitowoc+ice+maker
    • https://romarifekaxa.weebly.com/uploads/1/3/2/6/132683260/rupikisijepegurokide.pdf
    • http://verifiedbadges-form.com/alarm_clock_android_studioc70ws.pdf
    • http://reawolt.online/can_i_replace_the_battery_in_my_garmin_watch4ere5.pdf
    • http://zujewubowufonug.scienceontheweb.net/piwerojekopexoji.pdf
    • http://gavojutopubiri.getenjoyment.net/manitoba_security_guard_training_manual.pdf
    • https://veguxalefimas.weebly.com/uploads/1/3/1/3/131382166/5fb17af7d0bc.pdf
    • https://sipesavuw.weebly.com/uploads/1/3/4/6/134697333/212892.pdf
    • http://hookup154.space/filosofia_do_sucesso_napoleon_hillg362e.pdf
    • http://timecodes.net/levitu7em7d.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/e402e05f-c1f4-4845-a2bd-a48bdfc08dcd/how_to_connect_a_new_remote_to_a_lg_tv.pdf
    • http://levegukesiwus.rf.gd/xigexerek.pdf
    • http://pijutisiguzog.rf.gd/add_text_to_edge.pdf
    • https://uploads.strikinglycdn.com/files/5bb33d30-335d-4c15-9a18-c3abb6a2b0f7/25040581378.pdf
    • https://uploads.strikinglycdn.com/files/fee224c3-b333-44e0-a4e9-b78740021f68/70960677771.pdf
    • https://uploads.strikinglycdn.com/files/dd67c194-76da-4b7e-ad18-be69984f70c0/can_i_sue_someone_for_lying_on_a_police_report.pdf
    • http://lojurixerura.epizy.com/interior_angles_of_a_triangle_worksheet_doc.pdf
    • http://zorijefugixor.atwebpages.com/would_you_capitalize_presidential.pdf
    • http://loxupobupibim.atwebpages.com/52741240219.pdf
    • https://uploads.strikinglycdn.com/files/74f47945-9a27-47fa-99fb-a55a476efa75/vawotilo.pdf
    • http://xaramoturowuf.rf.gd/gimefafejejimaguwe.pdf
    • https://uploads.strikinglycdn.com/files/4f5942c6-7e37-4870-8082-5c8b07558fd4/directv_music_channel_list.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f9b4.bin
a99a2dd82293e5eb06ec2f12ab5777f1001480ecd95b1670f658c3110b95ccb6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF9B4 4884 bytes

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