Malicious PDF — malware analysis report

Static analysis result for SHA-256 f60e210cdcab513f…

MALICIOUS

PDF

65.4 KB Created: 2021-03-16 04:51:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9a235453e283b1d1f23b7be62480f67f SHA-1: 8c5c205eaffb439bd6d896836f8b5e663bd5907b SHA-256: f60e210cdcab513f20a93ec08b7beff8582673ef09850ea0757ae9b27e5889b6
184 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 0.9584

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://baarspo.ru/award?keyword=agility+ladder+workout+pdf PDF link annotation
    • https://wusitezuredov.weebly.com/uploads/1/3/5/3/135314125/nenaruzij_sunolaxofepuzo_dozolobixegikul.pdfIn PDF document text
    • https://fawirato.weebly.com/uploads/1/3/5/3/135392883/310bd8957185cd3.pdfIn PDF document text
    • http://gabutetidik.22web.org/how_to_connect_my_canon_printer_to_wifi_ts3122.pdfIn PDF document text
    • https://nogiwesetegi.weebly.com/uploads/1/3/1/6/131637024/xiruxakitovowejat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c7063fb-b5de-4188-88ab-bfe01f36adff/37461249570.pdfIn PDF document text
    • https://edb7bb8d-792a-4213-93ec-7f573d37cc74.filesusr.com/ugd/bfd504_4ffa6256ade2474b95116b5a9079dd25.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f3ef340-2635-421a-9d1a-c82c4df1e9d4/44477387477.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d923ea7d-cc9d-45e1-8439-394175d24878/wosebopibepo.pdfIn PDF document text
    • http://kadegezopofog.rf.gd/81732727807.pdfIn PDF document text
    • https://d23eb412-52e1-45ef-a32a-0c032022daee.filesusr.com/ugd/03485a_07f79b846cdf466e87a2b85dac355ae9.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/c800851e-7cb1-4ddb-bdda-8f86a45b6ac9/wujozezivakasolupixu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a04be48-0c4d-4195-8e5a-c73fe7d40d5e/interior_design_course_in_india_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a71d38b-54db-4efc-80b4-78537ad00bc3/jezeporudexakolowuzozikez.pdfIn PDF document text
    • https://8ecf7690-1f99-4e28-a4b6-3228ba9731d7.filesusr.com/ugd/63d3ad_bc55c6b92bcf42b5a477febb4e13672a.pdf?index=trueIn PDF document text
    • https://da99f664-88c7-4a27-98aa-0bbcec2e8f57.filesusr.com/ugd/66f3f9_f226ca70e37541b9b644c73c7e35fc15.pdf?index=trueIn PDF document text
    • https://b32521b7-32ca-447e-9967-d27d0dce683d.filesusr.com/ugd/800b88_a308e7160653459e8cfe44e001e4c8be.pdf?index=trueIn PDF document text
    • https://4ec63ec4-77bf-4499-900e-7c522af20654.filesusr.com/ugd/35bdb9_eac896d7ac3348e2840a914e71d28b3a.pdf?index=trueIn PDF document text
    • https://3682d434-6e27-4ac8-9ac2-d3ec24fa429c.filesusr.com/ugd/9b5f63_2a35258c1a8e458089e9e95c43feb5ec.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/e853d26a-245e-4a72-b462-a70dffa00184/jotefilavajovoxipidawifa.pdfIn PDF document text
    • https://f07eb630-23ff-4298-a1df-d7940f1ba2dc.filesusr.com/ugd/097a5b_a03c72fd1c6f47fca1b34956f18de57a.pdf?index=trueIn PDF document text
    • https://d2faa26e-66ca-44cd-8f84-883624a71019.filesusr.com/ugd/dbbfd0_b32d38d2e58f488a9a0a2ef738b0c495.pdf?index=trueIn PDF document text

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