Malicious PDF — malware analysis report

Static analysis result for SHA-256 02eebe2f7996b9b9…

MALICIOUS

PDF

66.8 KB Created: 2021-03-14 02:53:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 1c89976e9beb7c734cc5a72b63c0e1c3 SHA-1: 6cba1ed2d336a3e1f6bd0b07f467f23c755ddc95 SHA-256: 02eebe2f7996b9b9bdc6ba86a7a6e904eed0784f2a81ed026045602121d36d49
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm or phishing attempt. The ClamAV detection and ML classifier indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7994

Heuristics 5

  • 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 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.
  • 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://bologen.ru/award?keyword=atkins+shopping+list+phase+1+pdf PDF link annotation
    • https://vipomumukewa.weebly.com/uploads/1/3/0/8/130813786/gunufena-duzeti-konemajivusuton-nazurada.pdfIn PDF document text
    • https://bijivabaj.weebly.com/uploads/1/3/4/6/134601785/7596889.pdfIn PDF document text
    • https://mesubepivugegej.weebly.com/uploads/1/3/2/6/132682347/9864216.pdfIn PDF document text
    • https://cdn.sqhk.co/giboxikewev/jdjbZjf/remote_server_administration_tools_linux.pdfIn PDF document text
    • http://lololoj.sportsontheweb.net/jijugaraluka.pdfIn PDF document text
    • http://kinemulawaw.sportsontheweb.net/how_to_read_anthropology_for_upsc.pdfIn PDF document text
    • https://bunutawopuzo.weebly.com/uploads/1/3/4/8/134868528/busadu.pdfIn PDF document text
    • http://wajofima.mywebcommunity.org/ccna_networking_download.pdfIn PDF document text
    • https://cdn.sqhk.co/jijatidos/Shiigji/mazamiroviponagod.pdfIn PDF document text
    • https://cdn.sqhk.co/pozigafo/eYiejcD/wararitetivelarib.pdfIn PDF document text
    • https://cdn.sqhk.co/jefapukawore/bhfumhg/gin_rummy_plus.pdfIn PDF document text
    • http://zitalogeloluwiw.mygamesonline.org/bnf_75_free_download.pdfIn PDF document text
    • https://fibarivinudew.weebly.com/uploads/1/3/5/3/135387866/bupigovewosawule.pdfIn PDF document text
    • https://cdn.sqhk.co/molavagew/bc472YV/dipipawunijabasexotipijo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://74269c25-1731-4359-90d4-804f54ef9c1c.filesusr.com/ugd/b5973a_eb72d30315334c4cbf98f6190edbe21b.pdf?index=trueIn PDF document text
    • https://55d63786-14d6-44de-84d0-33f1fb383c44.filesusr.com/ugd/45fd81_0327fbfa5c4340ba9ca0491c8e14e27e.pdf?index=trueIn PDF document text
    • https://bf68d742-fb98-404a-ab47-1dcf24f7df52.filesusr.com/ugd/83e7fd_92986d2f1472460897e4b4c50ba06248.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d22c0b5-6403-4039-a5a2-31858855cc09/warcraft_3_frozen_throne_release_date.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b9613a5a-d361-4cb0-8978-f5277be15ec2/vizio_32_inch_smart_tv_instructions.pdfIn PDF document text
    • http://lowelomavojezi.myartsonline.com/ethiopian_value_added_tax_proclamation.pdfIn PDF document text
    • https://73b3f487-90f5-41a6-bf44-750372f72efd.filesusr.com/ugd/39e8d0_993c9558551e406eb7f921918f30d5ed.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/064a719f-ba85-4898-83dc-cb9b6118754c/zunevagizofezisikirubam.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e9e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9E5 5312 bytes
SHA-256: c6c6c948f01ba2522a9297776082ed91a4667f1f9ca23db8a67057e7dace212e

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