MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary malicious URL identified is ttraff.ru, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other PDF links, suggesting a link farm or SEO poisoning attempt to drive traffic to malicious sites.
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.ru/pify?keyword=campoformido+al+trattato
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://static.usrfiles.com/ugd/b7082a_d419f2a5a02d49ad81cc40636931031e.pdf
- https://static.usrfiles.com/ugd/1be480_edb9dae0e5db4ca280aaad16eaa3e9e3.pdf
- https://static.usrfiles.com/ugd/b8c837_ff72808bf56a467499be93704337857a.pdf
- https://static.usrfiles.com/ugd/f1780b_fe88a1794f764b84892cc1da5de046fa.pdf
- https://static.usrfiles.com/ugd/ad2ade_14f7faf505ec456e97b0df4efa918326.pdf
- https://static.usrfiles.com/ugd/f84671_8bf70cf90a5243a5b1a9b74e53ce2577.pdf
- https://static.usrfiles.com/ugd/1c8c1e_3c1d0309692b4db496c7842f4b113701.pdf
- https://static.usrfiles.com/ugd/b8c837_f66acebd9c5a44d2b41c188da780c883.pdf
- https://static.usrfiles.com/ugd/9ea91e_43eb1067778b4c39928db5e9bec0d013.pdf
- https://static.usrfiles.com/ugd/de3d83_7112ab0b7546401397c1694bd32490f9.pdf
- https://static.usrfiles.com/ugd/bb13a2_d5a30d8af7924b0aaab0938a98e05a18.pdf
- https://static.usrfiles.com/ugd/fe0276_ddbe14a3f0464d3fb01b10d3727aa6b1.pdf
- https://static.usrfiles.com/ugd/b85eb0_9f275c9e74194e4faf5e98165888a04d.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000082e7.bin9ff6150db5e96e7ff2c7436226b411b8d61842a9847838ce5a1d3c9fb8f6c3bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E7 | 4596 bytes |
font_01_sfnt_off00009281.bin55518dda7b12ebf5b004ab751ed0cc54f6183bf8486bb657c8fb7b770074ad99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9281 | 10936 bytes |
font_02_sfnt_off0000b601.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB601 | 4324 bytes |
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