MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for calendar templates, directing users to the malicious URL. 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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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=calendar+template+excel+december+2018
- https://static.usrfiles.com/ugd/824332_92bd189007f64c6697b96afc46895f80.pdf
- https://static.usrfiles.com/ugd/f46427_0b53920294e04949b53f7e568fd7150b.pdf
- https://static.usrfiles.com/ugd/98e298_bfd66e3f35c6403fb9984e6015d35f4e.pdf
- https://static.usrfiles.com/ugd/b8c837_84a0b93aa568496e8e1fa3454ffecf22.pdf
- https://static.usrfiles.com/ugd/0e2875_aa8de1ee1ddb407fa7cf187253f7603c.pdf
- https://static.usrfiles.com/ugd/b8c837_370d3142b2dd427b91091a4ecdfb54ec.pdf
- https://static.usrfiles.com/ugd/5d2cf3_6388a728aec44fb688db41c777848d24.pdf
- https://static.usrfiles.com/ugd/4bb894_5eaae971963d45708184cc6da8a0fcf6.pdf
- https://static.usrfiles.com/ugd/b8c837_ff10f24e6597413396d47af256bffd89.pdf
- https://static.usrfiles.com/ugd/b8c837_3c241bf2bd904e6089d9dccdb7324562.pdf
- https://cdn.shopify.com/s/files/1/0438/2900/2390/files/mubofaxawujofuxo.pdf
- https://cdn.shopify.com/s/files/1/0449/0631/5931/files/contrato_consorcio_bradesco_automovel.pdf
- https://cdn.shopify.com/s/files/1/0436/0686/8131/files/86804250548.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_off0000687d.bina2a9e3d79de12941a6250de8e528e35064339918342ca78ab53fb518c1f25f93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x687D | 5420 bytes |
font_01_sfnt_off00007ad7.bin819e5e238158a911b8d6f8da770d581b4606e4f1d080ee724ed4c37eb4d34ce1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD7 | 10024 bytes |
font_02_sfnt_off00009d3b.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D3B | 4324 bytes |
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