Malicious PDF — malware analysis report

Static analysis result for SHA-256 b547b5588386393b…

MALICIOUS

PDF

58.6 KB Created: 2021-03-11 05:58:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a7fa426663f135d056d4b52b1f491697 SHA-1: 732729e32409b191b03e40ce3c9108568b7b2cb1 SHA-256: b547b5588386393bd91cb182c9ea94b740a113c9416834dba4675156230eba81
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9624

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
  • 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
  • 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://midufefew.ru/award?keyword=amleto+pdf+ita+gratis PDF link annotation
    • http://tojuvapemupo.mywebcommunity.org/girl_scout_animal_habitat_badge_ideas.pdfIn PDF document text
    • http://movizopolu.medianewsonline.com/87098505020.pdfIn PDF document text
    • http://my-favshopg.online/how_to_use_a_wired_xbox_360_controller_on_dolphin_emulatorv9cg4.pdfIn PDF document text
    • http://vuxamajapaga.22web.org/luwofewebuzigebiv.pdfIn PDF document text
    • http://menformula.xyz/kifikojiveraladc4f2d.pdfIn PDF document text
    • http://scandisvet.ru/16308422231un3ci.pdfIn PDF document text
    • http://nokasosozigof.mypressonline.com/mainframe_assembler_language_tutorial.pdfIn PDF document text
    • http://healthytrands.com/hp_officejet_pro_8600_plus_printer_cartridgesrbgdk.pdfIn PDF document text
    • http://lazategomid.scienceontheweb.net/do_i_need_to_notify_dmv_of_address_change.pdfIn PDF document text
    • http://1s.london/cell_evolution_game_onlineq3nnx.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gafevudivexer.rf.gd/41104912310.pdfIn PDF document text
    • https://s3.amazonaws.com/zebarufuridorur/can_you_safely_exercise_with_high_blood_pressure.pdfIn PDF document text
    • https://s3.amazonaws.com/wulotugadag/antivirus_apps_for_android_free.pdfIn PDF document text
    • http://kifarir.rf.gd/self_guided_tour_jewish_ghetto_rome.pdfIn PDF document text
    • http://revudipepofaten.myartsonline.com/2920510685.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4db53182-a21b-40c8-894a-af3c5f039329/temanawup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/015a8c9f-e0ed-4308-a580-e076a599f0fd/95224862607.pdfIn PDF document text
    • https://s3.amazonaws.com/kiwopusafize/rinelax.pdfIn PDF document text
    • http://vadibezodaxilez.rf.gd/puzuteziwinu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/75376d78-42be-4d10-b5b9-00484f7b5f30/zajimirewurel.pdfIn PDF document text
    • http://nerelikeg.epizy.com/amos_22_full_version.pdfIn PDF document text
    • http://wewamamewiler.atwebpages.com/ratutu.pdfIn PDF document text
    • https://s3.amazonaws.com/kelukakeb/nazelorot.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d932.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD932 5348 bytes
SHA-256: 57f46e1a9fd9d6b34f02cc22a0ca5ff4fdf4245aa2ec8a34e33f1195cd7fe3b3

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