MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised with a popular search term to entice clicks. The ML classifier strongly indicated maliciousness, and the PDF was flagged for containing a mass external PDF link farm. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or phishing pages.
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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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://ttraff.cc/wix?keyword=shawn+mendes+mp3
- https://static.usrfiles.com/ugd/b8c837_cebfd4218f284c44a4ef5ce093e729b0.pdf
- https://static.usrfiles.com/ugd/b8c837_c7e2ac6b38044181aedb1d95bd66ee17.pdf
- https://static.usrfiles.com/ugd/7198c1_270ff7c4eea84fadb69e41f04dbea037.pdf
- https://static.usrfiles.com/ugd/b8c837_fd358eb5139245329059b49ec75e6d3d.pdf
- https://static.usrfiles.com/ugd/0b46e6_2e520731d3e046d18d2e9ef98e5747bb.pdf
- https://static.usrfiles.com/ugd/b8c837_66ffbac10baa43a1afe90f3009dc55b7.pdf
- https://static.usrfiles.com/ugd/b8c837_c5e1b765ff71455fa2a41edc4610bdfc.pdf
- https://static.usrfiles.com/ugd/b8c837_ee72262d63474f8fb77f4387ba36a8f1.pdf
- https://static.usrfiles.com/ugd/ecec20_6a067ac9980b42179b924fa345a2fde1.pdf
- https://static.usrfiles.com/ugd/b8c837_2d41640d3c184fca8f35edf71921ecee.pdf
- https://static.usrfiles.com/ugd/b8c837_2f045f1f5c8348eeb9a5d24a90b7582d.pdf
- https://static.usrfiles.com/ugd/a382ee_3b496a1beef744b18fff6ed4fd9b9542.pdf
- https://static.usrfiles.com/ugd/41a0b6_067bf7a94af248c6bb1be9c1bf0e73a9.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005514.binf6b7c088c10bd487df025ada5dbf20e97af2fd892a95440fc709d76c1e610a11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5514 | 5432 bytes |
font_01_sfnt_off00006776.binc0a19c4121c890b5e82d6e7c35d5681be60429bbac6e9ceb43531f213c050283 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6776 | 15244 bytes |
font_02_sfnt_off00009641.bin9fce2e558c7eba93e9b4ba87b790c422cf9490aab73fe875614431ac3e7f116a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9641 | 16060 bytes |
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