MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier as malicious. It contains a large number of embedded links, with at least one pointing to known malicious redirector infrastructure at 'https://ttraff.me/wix?keyword=microcephaly+syndrome+disease'. The document body contains garbled text but includes the same URL, suggesting a lure to a malicious site. The presence of a link farm and a malicious redirector indicates this file is likely part of a phishing or malware distribution effort.
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.me/wix?keyword=microcephaly+syndrome+disease
- https://static.usrfiles.com/ugd/b8c837_8d1b6c8628604553af044b48bdbf271e.pdf
- https://static.usrfiles.com/ugd/b8c837_6dc7f39e312144e18ce24ed2f66e7f4e.pdf
- https://static.usrfiles.com/ugd/2f07a1_5c4fc57a28344acdb0da63091aceffb4.pdf
- https://static.usrfiles.com/ugd/37428b_892d18a7f2af4221966d784f9d8bce83.pdf
- https://static.usrfiles.com/ugd/7198c1_9b19123747f74b48b2007393a434e88e.pdf
- https://static.usrfiles.com/ugd/b8c837_dad6f2194b7041879ed516227cdc8aec.pdf
- https://static.usrfiles.com/ugd/3be3a7_12176619373f400b8721e5d8068ab19e.pdf
- https://static.usrfiles.com/ugd/b8c837_7fc0f89e2a4b4142b5bfa8121ffeea1a.pdf
- https://cdn.shopify.com/s/files/1/0434/2985/5393/files/pastest_mrcs_revision_notes.pdf
- https://cdn.shopify.com/s/files/1/0429/6504/1311/files/vawumabazabigowijegige.pdf
- https://static.usrfiles.com/ugd/b8c837_cd358dfc61e540668b4d35995bce5230.pdf
- https://static.usrfiles.com/ugd/0a0016_2ead17b97bfd40aabd6164c6fa8d7aee.pdf
- https://static.usrfiles.com/ugd/99afdc_b089366bd90349628f5c806abb38a3ee.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a703.bin87bccb1740ee3c6cca597c1d80e5dfc6600020c2b25be38bccadd67d80d2f410 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA703 | 5420 bytes |
font_01_sfnt_off0000b942.binf846db95e35fa83ab8cb94a3c77753b1499c3d6bd10352d692a4cf39c5907e17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB942 | 11292 bytes |
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