Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ae1b03711be9dad…

MALICIOUS

PDF

51.7 KB Created: 2021-03-23 21:18:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 9ebc88d291c730e9567dd2cb581a994c SHA-1: 6c652e5026afbf1404fc8a628a0fe797b10d631c SHA-256: 0ae1b03711be9dadbf028084e92545def911761f40c7183dd1b39e6ec341e3b5
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

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 0.7209

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://xezojetit.ru/award?keyword=electronics+and+communication+engineering+notes+pdf PDF link annotation
    • http://venira.su/184634141006rg94.pdfIn PDF document text
    • http://boothattendant.com/winerosufunobuvsl.pdfIn PDF document text
    • http://lg-copyrightforms.com/average_salary_for_public_relations_coordinator9apgr.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368770/normal_6039e533ea9ed.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384046/normal_600579e9996f2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490529/normal_5ff92ed095731.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368504/normal_6043e12ebe830.pdfIn PDF document text
    • http://prosale.company/baby_bjorn_travel_crib_recall5yuhq.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409619/normal_6054c1321d48f.pdfIn PDF document text
    • http://togaxifobuf.mypressonline.com/ocarina_of_time_3ds_walkthrough_ign.pdfIn PDF document text
    • http://vorakumezaxof.mygamesonline.org/tratamiento_de_la_anemia_en_pediatria.pdfIn PDF document text
    • http://kurs1.xyz/77151838232f5uz.pdfIn PDF document text
    • http://laxuzoto.onlinewebshop.net/50076986260.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/339e5ab6-5655-46de-837c-398f0229dc8c/vasovubimozigefupu.pdfIn PDF document text
    • http://wifotomosif.epizy.com/business_dictionary_for_pc.pdfIn PDF document text
    • http://ganusigesu.rf.gd/tamilrockers_hd_movies_2018_tamil.pdfIn PDF document text
    • http://lupixopuvir.onlinewebshop.net/ways_to_describe_rain.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/884b8d4a-f136-47f1-817a-4c532c254c14/playboy_magazine_cover_template_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/57366855-6339-479b-8d4b-a574e081bcf7/find_the_best_online_store.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/46e8755a-933a-47e2-8401-d979cbd36632/zufurubirukisu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9cee7b8e-5050-4aee-8e18-2cd6f386f591/99711192268.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b15ac349-d252-45a0-91fc-1b77fd4e1662/what_are_the_five_basketball_positions.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d3355676-64b3-4b37-be46-b5669ecce662/transition_words_to_state_evidence.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/65bd3d4f-fbff-488e-842d-b592b75d5cea/8513175559.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8271623b-4bd5-4d0c-a930-cd4963f8209e/jovuruwas.pdfIn PDF document text

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