MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. This redirector is likely used to host or deliver a malicious payload, such as an application disguised as 'tik tok apk android 1'. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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/123?keyword=tik+tok+apk+android+1 In PDF document text
- https://cdn-cms.f-static.net/uploads/4380393/normal_5f9f58042546d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419654/normal_5fa4ed976e2c4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381531/normal_5f95a0d967b26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388279/normal_5f8f73c1539c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366024/normal_5f882074b252e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368758/normal_5fa0cb9a3e199.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413966/normal_5f95167759447.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366004/normal_5fa4597c5e0f6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/c359658c-1ae4-4daa-ba3c-92155b3f33fe/bupakomuxiputegetewupofan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/615b01ce-7d95-41c3-9d6b-cb20ed9b7894/48293192337.pdfIn PDF document text
- https://s3.amazonaws.com/gopuze/6660107536.pdfIn PDF document text
- https://s3.amazonaws.com/baposivarabuj/lds_family_history_center_lehi_utah.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000625d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x625D | 4476 bytes |
SHA-256: 72b5d76315c0a58ba8ffe0f73614ad2519be533fcb87ea3d4ccb2f0f532035a5 |
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font_01_sfnt_off0000718d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x718D | 11028 bytes |
SHA-256: 77d8d65a440d985bb2eeb3c022b31484db0fb4c837ef9ef758abf43ef5d1fec6 |
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font_02_sfnt_off00009759.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9759 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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