Malicious PDF — malware analysis report

Static analysis result for SHA-256 315a2f0ed193919d…

MALICIOUS

PDF

62.4 KB Created: 2021-06-09 10:36:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 71db206771733ca43d9352f007ae3230 SHA-1: a374122779e48f8803e5b883cee30e3a4377b8b6 SHA-256: 315a2f0ed193919db7d6b3c0a209b5bb936c42ea9d1eb3d78c8cc80976939235
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. It contains a large number of external links, suggesting it's part of a link farm or phishing campaign. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic strongly suggest the document's purpose is to redirect users to potentially harmful external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9394

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 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
  • 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://philabc.ru/pbw?utm_term=robbie+williams+love+my+life+mp3 PDF link annotation
    • https://wemedasexokava.weebly.com/uploads/1/3/4/5/134512162/1822154.pdfIn PDF document text
    • https://wefigofotagovir.weebly.com/uploads/1/3/4/8/134864379/ruvusug_xipewadek_zaribi.pdfIn PDF document text
    • https://belexikezetuvom.weebly.com/uploads/1/3/0/7/130775063/98b32d9.pdfIn PDF document text
    • https://xirunokud.weebly.com/uploads/1/3/4/4/134467368/4187906.pdfIn PDF document text
    • https://lifefazat.weebly.com/uploads/1/3/4/7/134742259/paxelepegoj_jajoxidese.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/23082e30-39d5-49f6-aa53-bc3964a2baf7/throne_of_glass_series_order_to_read.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/811f820f-2310-48cb-9ea3-eff4fc4b6ac4/29216091858.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29723520-433e-469a-acb6-715799cabe5a/free_digital_marketing_courses_dublin.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/08832010-1b41-4004-9e7d-99151d62b8a6/savigazipuxos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ba6b422d-2e2d-4df2-9e1e-80a831b1cc0e/20901989784.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5c258716-d166-4987-9256-c464fc2e1016/59898343051.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/97bf0ee0-a0a7-47b1-972f-53ef42a2053f/98600575925.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6c09ec63-96a4-4e02-b98b-bc873e7abcd9/19037449726.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b70e9e8e-77f7-4710-b909-77fb4ebe0e63/81132482381.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb1262ff-5c29-432a-962b-48ae3eefe9b6/samsung_galaxy_a10e_phone_review.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1741d73f-adbb-4a7b-921e-a5fdf53f3ac0/the_warren_buffett_way_3rd_edition.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/000386f3-5f4e-40ce-94af-fd72e38ab4b9/debian_gnu_linux_bible.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a82dae2e-e3a5-4a9e-a78b-5299535b2caa/7-2_practice_similar_polygons_form_g_answers_with_work.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c0fed0c7-d245-43ff-aeb7-c62c56c8f2b0/fobadenulewakuxowetiga.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8c6ba3a-c2ec-46ff-bc1e-42b975f5a5a7/84954447768.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06cc2f9f-270c-4665-9261-c4da00a66f0b/tipos_de_funciones_matematicas_y_sus_graficas.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/32776f1d-1bb1-4660-afe1-059004dd054a/brand_identity_pricing_packages.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8769e198-7699-4322-8072-e50f04e7fd15/71445632508.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/797b7b71-78ba-4b68-8356-39531682fd40/39538881650.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_off0000de8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE8F 5516 bytes
SHA-256: 03ac8a3c741e6501598c835161e23350175ffbf2cc252d8989ddbdfd1120c10d

Open this report in the interactive analyzer, or submit your own file for analysis.