Malicious PDF — malware analysis report

Static analysis result for SHA-256 5de80d706bb8b20e…

MALICIOUS

PDF

16.6 KB Created: 2020-11-05 18:39:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b5d72047038b4605c2de7402ff05bd6b SHA-1: 9c4ba2ae85c5043e3141e1fdbc2899148f374938 SHA-256: 5de80d706bb8b20e1104a9fd5c2e23e7720d5c874ef0c51265730279cdd2b0a9
132 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded links that redirect to known malicious infrastructure, specifically `https://traffking.ru/aws?keyword=harry+potter+the+goblet+of+fire+pdf`. This indicates a phishing or social engineering attempt to lure users to a malicious site, likely for further exploitation or credential harvesting. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://traffking.ru/aws?keyword=harry+potter+the+goblet+of+fire+pdf In PDF document text
    • https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/webitim-zasulorozurame-tujezud-reguxob.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378381/normal_5f904c8156030.pdfIn PDF document text
    • https://tekuximusiwax.weebly.com/uploads/1/3/4/4/134450812/378671.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381546/normal_5f8cb12277d4f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368750/normal_5f8800fb9f8d9.pdfIn PDF document text
    • https://gapudozesaneg.weebly.com/uploads/1/3/4/5/134525911/zivureparege-gimikejofawitil-jupigomofitu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/45567850-43c1-434e-a2c7-6a73a5fe786f/38311259374.pdfIn PDF document text
    • https://s3.amazonaws.com/kavalukato/97925534552.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b986c701-c22c-4dbb-9dee-6a4317d9c437/nonaregigodazeduzi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/babf21f7-861d-4721-b5de-a0145c9290b1/18264185657.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3738/5123/files/algebra_2_linear_equations_and_inequalities_worksheet.pdfIn PDF document text

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